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Food advertising on Argentinean television: are ultra-processed foods in the lead?

Published online by Cambridge University Press:  26 July 2017

Lorena Allemandi*
Affiliation:
Department of Food Policy, Fundación InterAmericana del Corazón Argentina (FIC-Argentina), Arévalo 2364 – 1 ‘A’, Buenos Aires C1425DBR, Argentina
Luciana Castronuovo
Affiliation:
Department of Food Policy, Fundación InterAmericana del Corazón Argentina (FIC-Argentina), Arévalo 2364 – 1 ‘A’, Buenos Aires C1425DBR, Argentina
M Victoria Tiscornia
Affiliation:
Department of Food Policy, Fundación InterAmericana del Corazón Argentina (FIC-Argentina), Arévalo 2364 – 1 ‘A’, Buenos Aires C1425DBR, Argentina
Miguel Ponce
Affiliation:
Fundación InterAmericana del Corazón Argentina (FIC-Argentina), Buenos Aires, Argentina
Veronica Schoj
Affiliation:
Fundación InterAmericana del Corazón Argentina (FIC-Argentina), Buenos Aires, Argentina
*
*Corresponding author: Email lorena.allemandi@ficargentina.org
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Abstract

Objective

To describe the number of processed and ultra-processed food (PUPF) advertisements (ads) targeted to children on Argentinean television (TV), to analyse the advertising techniques used and the nutritional quality of the foods advertised, and to determine the potential exposure of children to unhealthy food advertising in our country.

Design

Five free-to-air channels and the three most popular children’s cable networks were recorded from 07.00 to 22.00 hours for 6 weeks. Ads were classified by target audience, type of product, advertised food categories and advertising strategies used. The NOVA system was used to classify food products according to industrial food processing level. Nutritional quality was analysed using the Pan American Health Organization’s nutrient profile model.

Setting

Buenos Aires, Argentina. Results are considered applicable to most of the country.

Subjects

The study did not involve human subjects.

Results

Of the sample of food ads, PUPF products were more frequently advertised during children’s programmes (98·9 %) v. programmes targeted to the general audience (93·7 %, χ2=45·92, P<0·01). The top five food categories were desserts, dairy products, non-alcoholic sugary beverages, fast-food restaurants, and salty snacks. Special promotions and the appearance of cartoon characters were much more frequent in ads targeting children. Argentinean children are estimated to be exposed to sixty-one ads for unhealthy PUPF products per week.

Conclusions

Our study showed that Argentinean children are exposed to a high number of unhealthy PUPF ads on TV. The Argentinean Government should build on this information to design and implement a comprehensive policy to reduce exposure to unhealthy food marketing that includes TV and other communication channels and places.

Type
Research Papers
Copyright
Copyright © The Authors 2017 

Childhood overweight and obesity are among the most serious public health problems in the world today. Estimates from the WHO showed that, in 2014, 41 million infants and young children were overweight or obese( 1 ). In Argentina, increases in the prevalence of overweight from 24·5 to 28·6 %, and of obesity from 4·4 to 5·9 %, have also been reported among teenagers between 13 and 15 years of age between 2007 and 2012( Reference Ferrante, Linetzky and Ponce 2 , Reference Linetzky, Morello and Virgolini 3 ). Data from 2007 estimated that obesity among Argentinean children under the age of 6 years was 10·4 %( Reference Durán, Mangialavori and Biglieri 4 ).

One of the major causes of the global increase in the prevalence of childhood overweight and obesity and other diet-related non-communicable diseases over the past few years has been the increased intake of energy-dense foods( 1 ), mainly processed and ultra-processed foods (PUPF)( Reference Monteiro 5 , Reference Baker and Friel 6 ). This is due to their usually high content of sugar, salt and fats( Reference Canella, Levy and Martins 7 Reference Moubarac, Martins and Claro 9 ), as well as their role in promoting unhealthy eating behaviours( Reference Monteiro, Gomes and Cannon 10 ). Over time, these ready-to-eat food products have become more accessible to the public, leading to the situation today where the global food market is dominated by these products. Three-quarters of global food sales, representing a total of at least 3·2 trillion US dollars, involve PUPF( Reference Bielemann, Motta and Minten 11 ).

While multiple factors affect the eating behaviours and food preferences of children and adolescents, one strong influence is food advertising; there is clear evidence that advertising of unhealthy foods has an impact on the types of food products that children prefer and consume, thus playing a significant role in the rise of overweight and obesity( Reference Zimmerman and Bell 12 Reference Hastings, Stead and McDermott 15 ). One of the most significant channels for delivering food advertising to children is television (TV). Although it is not the only one, evidence shows that exposure to advertising of unhealthy food products is one of the main links between TV viewing and childhood obesity( Reference Kelly, Smith and King 16 ), particularly because young children are unable to detect the persuasive intent behind commercials on any media( Reference Kunkel, Wilcox and Cantor 17 ). This makes children an easy target for advertisers. As a consequence, restrictions on TV advertising of these types of foods, particularly PUPF, could significantly reduce the prevalence of childhood overweight( Reference Chou, Rashad and Grossman 18 Reference Veerman, Van Beeck and Barendregt 20 ). Any public health approach that attempts to tackle this problem should include advertising restrictions as a core policy( 21 23 ).

In 2010, the WHO asserted that the effectiveness of marketing messages can be measured through the level of exposure (i.e. reach, frequency and impact of the message) of target populations to the marketing message and marketing power (referring to the content, design and execution of the message). The effectiveness of marketing can thus be described as a function of both exposure and power( 24 ). An analysis of food advertising to children should include both dimensions in order to reach an integrated understanding of the issue. The level of children’s exposure to food TV advertising has been studied in several countries, showing that most food products advertised to children have poor nutritional quality( Reference Keller and Schulz 25 Reference Boyland, Harrold and Kirkham 28 ).

As it has been documented, the link between food advertising and childhood overweight/obesity varies from country to country( Reference Chou, Rashad and Grossman 18 ); thus the generation of local data on the amount of advertising of unhealthy foods Argentinean children are exposed to is crucial to design and promote country-tailored public policies to address childhood overweight and obesity. The purpose of the present study was to describe the current situation of food advertising of unhealthy foods targeted to children on TV, so as to contribute to policy-making efforts in Argentina and provide baseline data useful to track future progress in this area.

The specific study objectives were to: (i) document the number of TV food advertisements (ads) targeted to children on Argentinean TV; (ii) analyse the strategies and marketing techniques used in ads broadcast during children’s programmes and examine differences between children’s programmes and programmes targeted to the general audience; (iii) analyse types of food, types of processing and nutrient profiles of the foods advertised in children’s TV programmes; and (iv) determine the potential exposure of children to unhealthy food advertisements from the most popular channels on Argentinean TV.

Methods

Sample design

We selected the three cable networks that, according to local ratings, were considered the most popular among children: Disney Channel, Disney XD and Cartoon Network. As of 2015, 80 % of Argentinean households had cable TV( 29 ), which shows that these selected channels cover most of the country’s territory. We also included five free-to-air TV networks: América TV, Canal 7, Canal 9, Telefe and Canal 13, since free-to-air TV is where companies spend most of their advertising funds according to the Argentinean Chamber of Media Agencies( 30 ).

Data collection

Programmes on each selected channel were recorded by a media auditing service from 07.00 to 22.00 hours during two rotating weekdays and the weekend, for a total of 6 weeks. Data collection was conducted between November and December 2013 and January 2014.

A total of 1440 h of TV, including 132.5 h of advertising, were recorded and analysed by two coders following a standardized codebook( 31 ). Each ad was coded for time and date of airing, name of the programme, type of programme (children’s v. general audience), company, brand, ad title and duration, and type of product. Programmes categorized as targeting children included all programmes broadcast on children’s cable channels, as well as cartoons, series and game shows for children on free-to-air networks. Other shows aired on broadcast networks (series and films, documentaries, interviews, educational shows, sports, news programmes, etc.) were categorized as programmes targeting a general audience.

When the product consisted of a food product (including beverages), coders also categorized it within a food category and the advertising techniques used to advertise such product. All food and beverage ads were further evaluated for the use of persuasive techniques, including: (i) appealing to flavour/aroma/texture; (ii) appearance of male children/adolescents; (iii) appearance of female children/adolescents; (iv) appearance of cartoon characters; (v) celebrity endorsements; (vi) special promotions and giveaways; (vii) featuring company or product websites; (viii) health/wellness references; and (ix) action/energy references. Coders were asked to record the primary appeal used in each commercial, with the understanding that a single ad could use several appeals simultaneously; a maximum of three primary appeal types could be assigned to any single ad. Past research was used as the basis for the development of categories used to describe and analyse the ads( Reference Castillo-Lancellotti, Pérez-Santiago and Rivas-Castillo 32 Reference Jenkin, Wilson and Hermanson 40 ). These categories were piloted and refined prior to the study proper. The definition of variables may be consulted in our coders’ handbook( 31 ).

To ensure consistency in data coding, an inter-rater reliability test was carried out( Reference Gwet 41 , Reference Cicchetti and Feinstein 42 ). Inter-rater reliability was determined through four successive pilot tests including sixty ads each. The pilot tests included five reliability coefficients: Cohen’s kappa, Scott’s pi, Krippendorff’s alpha, Gwet’s AC1 and Brenann–Prediger statistics. Variables with low inter-rater reliability values (<0·3) were either redesigned or eliminated from the data collection instrument and coders were retrained to ensure high inter-rater reliability scores (>0·8).

The coding process was conducted over a period of 5 months; the resulting database was consolidated and checked for inconsistencies before data analysis. Coders analysed data independently. Final inter-rater reliability scores ranged from 0·8 to 1·0.

Nutritional information on the advertised foods was extracted from a food composition database developed by Fundación InterAmericana del Corazón Argentina (FIC-Argentina) as part of other research studies( Reference Allemandi, Tiscornia and Ponce 43 ), which includes nutritional information for over 4000 food products available on the Argentinean market. For products advertised on TV that were not recorded in this database, nutritional information was obtained from the food labels of the products and/or from company websites( Reference Romero-Fernandez, Royo-Bordonada and Rodríguez-Artalejo 26 , Reference Jenkin, Wilson and Hermanson 40 ). For products available in different presentations/flavours, nutritional information was analysed for all the product presentations depicted in the ad. In the case that the ad did not specify food items, all presentations were analysed to obtain an average nutritional content for that product, as has been conducted in prior studies( Reference Romero-Fernandez, Royo-Bordonada and Rodríguez-Artalejo 26 ). In the case of ads for fast-food restaurants, the most popular product (i.e. highest percentage of annual sales) was coded into the nutritional content database. The information was obtained directly from the company’s website. Foods to be prepared at home (e.g. jelly powder, instant fruit drinks, soup powder) were coded considering 100 g or 100 ml of the product ready for consumption( Reference Castillo-Lancellotti, Pérez-Santiago and Rivas-Castillo 32 ).

Classification of advertised food products: the NOVA system

Two dimensions are analysed through the NOVA classification system: the food nutrient profiles and the level of processing( Reference Monteiro 5 , Reference Monteiro, Cannon and Levy 44 ).

The NOVA system categorizes food products into four groups defined, according to the industrial processing involved in their production. Unprocessed or minimally processed foods (Group 1) include foodstuffs that have undergone mainly physical processes such as cleaning, freezing and pasteurization, reduction of fat content, and wrapping. These processes do not significantly alter the nature of the product. Examples are fresh or frozen meat, milk, vegetables, infusions, bottled water, etc. Processed culinary ingredients (Group 2) are typically inedible by themselves. These are common ingredients in both home-cooked meals and industrial food manufacturing. Examples include flours, oils and fats, sugar, corn syrup, lactose and refined proteins. Processed foods (Group 3) are manufactured by adding fats, oils, sugars, salt and other culinary ingredients to minimally processed foods to make them more durable and usually more palatable. These types of foods include simple breads and cheeses; salted and cured meats and seafood; and preserved fruits, legumes and vegetables. Ultra-processed foods (group 4) are industrial formulations manufactured from substances derived from foods or synthesized from other organic sources. They are inventions of modern industrial food science and technology. They are ready to consume or ready to heat, and thus require little or no culinary preparation( Reference Monteiro, Cannon and Levy 44 ). Products were classified into the four processing categories in order to identify processed and non-processed products, excluding alcoholic beverages which are not considered in the NOVA system.

Analysis of the nutritional quality of the foods advertised: the Pan American Health Organization’s nutrient profile model

For the nutritional analysis of the foods advertised we used the Pan American Health Organization’s (PAHO) nutrient profile model( 45 ). This model establishes maximum threshold contents for sugar (amount of energy from sugars ≥10 % of the total amount of energy), salt (ratio between the amount of Na (mg) and the total amount of energy (kcal) ≥1:114), saturated fats (amount of energy from saturated fats ≥10 % of the total amount of energy), trans fats (amount of energy from trans fats ≥1 % of the total amount of energy) and total fat (the amount of energy from total fats ≥30 % of the total amount of energy) in processed and ultra-processed food products( 45 ). Our analysis included processed and ultra-processed products.

Data analysis

Collected data were analysed to describe, by target audience (children’s programmes v. general audience), the number of ads, total number of food products, number of PUPF and non-PUPF products, types of food categories advertised, advertising techniques used in the ads and the nutritional quality of the foods advertised. The analysis compared between children’s programmes and programmes targeted to the general audience.

To analyse the potential exposure of Argentinean children to unhealthy food ads on TV we included data from IBOPE.Footnote * Argentinean children aged between 4 and 12 years watch TV for 3 h/d on average during the peak viewing time (19.00 to 22.00 hours)( 29 ). According to IBOPE, the channel with the highest ratings among Argentinean children is Disney Channel. We measured the frequency of PUPF ads during this time period on this channel.

The χ 2 test was used to estimate differences in the variables between target audiences; P values of <0·05 were considered statistically significant. All statistical analyses were conducted using the statistical software package IBM SPSS Statistics for Windows version 19.

Results

From the 1440 h of recordings we coded a total of 21 085 ads, 11 228 during general audience programmes and 9857 during children’s shows. These represented 25·5 h of advertising, 18·0 h of which were aired during general audience programmes and 7·5 h during children’s programmes (Table 1).

Table 1 Number of advertisements (ads) aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 21 085), by audience category

The total sample included 3576 food ads (n 3340, excluding alcohol beverages according to the NOVA system), 2462 aired during general audience programmes and 1114 during children’s programmes. Food ads were more frequent during general audience programmes than during children’s programmes: 21·9 % of ads aired during general audience programmes were for food products, compared with 11·3 % of the ads aired during children’s programmes (χ 2=65·72, P<0·01). However, PUPF products as categorized using the NOVA system constituted a larger proportion of the food ads aired during children’s programmes (98·9 %) compared with those aired during programmes targeting the general audience (93·7 %, χ 2=45·92, P<0·01). The proportions of ads for non-PUPF products were low in both audience categories (Table 2).

Table 2 Proportion and number of food advertisements (ads) aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 21 085), by food processing level categorized according to the NOVA system and audience category

PUPF, processed and ultra-processed foods; non-PUPF, unprocessed or minimally processed foods.

Differences between audience categories were statistically significant: **P<0·01.

There were sixteen categories of PUPF products and four categories of non-PUPF products advertised to both audiences. The most frequently advertised PUPF products overall were non-alcoholic sugary beverages (35·3 %), cheese and yoghurt (12·2 %), desserts (8·2 %), salty snacks (7·4 %) and sweets (7·4 %). During programmes targeted to the general audience, the most advertised categories included non-alcoholic sugary beverages (45·9 %), cheese and yoghurts (9·7 %), sweets (9·0 %), salty snacks (7·2 %) and non-alcoholic non-sugary beverages (5·5 %). In children’s programmes, the most frequently advertised PUPF products were desserts (21·6 %), cheese and yoghurts (17·4 %), non-alcoholic sugary beverages (13·8 %), fast-food restaurants (13·3 %) and salty snacks (8·0 %; Table 3).

Table 3 Proportion of food advertisements (ads) aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 3340), by food processing level categorized according to the NOVA system, food category and audience category

PUPF, processed and ultra-processed foods; non-PUPF, unprocessed or minimally processed foods.

Proportions were significantly different from those of the general audience category: *P<0·05, **P<0·01.

The analysis of advertising techniques used in PUPF product ads showed statistically significant differences between audience categories. In ads for PUPF products aired during children’s programmes as compared with those targeting the general audience categories., we found that the advertising techniques more frequently used were those appealing to flavour/aroma/texture (55·8 v. 44·3 %, χ 2=37·62, P<0·01), the appearance of male (44·0 v. 38·8 %, χ 2=8·25, P<0·01) or female (40·1 v. 26·3 %, χ 2=63·50, P<0·01) children/adolescents, the appearance of cartoon characters (44·0 v. 4·6 %, χ 2=746·10, P<0·01), special promotions and giveaways (33·5 v. 8·2 %, χ 2=324·96, P<0·01), featuring company or product websites (30·7 v. 20·8 %, χ 2=38·66, P<0·01) and action/energy references (13·0 v. 4·4 %, χ 2=76·54, P<0·01). In contrast, PUPF product ads featuring celebrity endorsements and those referring to health and wellness were more frequent during general audience programmes than during children’s programmes (20·5 v. 6·1 %, χ 2=111·94, P<0·01 and 27·7 v. 20·1 %, χ 2=21·93, P<0·01, respectively; Table 4).

Table 4 Advertising techniques employed in food advertisements (ads) for processed and ultra-processed (PUPF) food products aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 3187), by audience category

Proportions were significantly different from those of the general audience category: **P<0·01.

From the final sample of food ads (n 3340), the analysis of nutritional quality using the PAHO nutrient profile model included 2959 PUPF ads. Of this total number, 93·1 % (n 2755) had an excessive content of energy and/or one or more nutrients (i.e. total fat, saturated fat, trans fats, sugar and salt). Products with excessive content of at least one of these nutrients represented 91·0 % (n 939) of the PUPF products advertised during children’s programmes and 94·2 % (n 1816) of the PUPF advertised during general audience programmes (Fig. 1). This difference was statistically significant (χ 2=11·07, P<0·01).

Fig. 1 Proportion of products with an excessive content of at least one nutrient (i.e. energy, total fat, saturated fat, trans fat, sugar and/or salt)† in food advertisements for processed and ultra-processed (PUPF) food products aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 3187), by audience category: , general audience, no excesses; , general audience, one or more excesses; , child audience, no excesses; , child audience, one or more excesses. †Nutritional quality analysed using the Pan American Health Organization’s nutrient profile model

Estimates of potential exposure of children to unhealthy food ads showed that children aged 4 to 12 years are exposed to a weekly average of sixty-one ads for PUPF products with low nutritional value.

Discussion

The current study focused on the advertising of food products, using both the NOVA system and the PAHO nutrient profile model. The study has improved understanding of the marketing of food products to children on Argentinean TV, the nutritional value of the products advertised and the advertising techniques used to capture children’s interest and influence their food choices.

We found that most of the food items advertised on Argentinean TV fell into the category of PUPF products, with little to no advertising of natural, unprocessed foods such as milk, fruits and vegetables both in programmes targeted to the general audience and in programmes targeted to children. This shows that foods advertised on TV do not agree with the recommendations of the Argentinean Dietary Guidelines( 46 ) to promote increased consumption of natural and home-made foods and to limit intake of PUPF products.

These findings are in line with other studies conducted in the Latin American region( Reference Rincón-Gallardo Patiño, Tolentino-Mayo and Monterrubio 27 , Reference Pérez-Salgado, Rivera-Márquez and Ortiz-Hernández 38 , Reference Uribe Bravo 39 , Reference Monteiro, Coutinho and Recine 47 ) indicating that unhealthy food products are aggressively marketed on TV, both in terms of the number of ads and the advertising strategies used. Our results are also similar to those from studies conducted in other countries that found that sugary beverages, salty snacks and fast foods are within the top five food categories marketed to children( Reference Kelly, Halford and Boyland 48 , Reference Outley and Taddese 49 ). Most of these products have excessive content of at least one of the critical nutrients according to the PAHO nutrient profile model. This is also consistent with the scientific evidence that shows that the products more frequently marketed to children fail to meet the current recommendations on healthy eating habits( 50 ).

The proportion of PUPF ads and the use of particularly powerful advertising strategies, such as premiums/giveaways and appearance of cartoon characters, were significantly more frequent in ads broadcast during children’s programmes. In our sample, one out of four ads used cartoon characters and one out of three used promotions to capture children´s attention. There is sound evidence on how the use of these types of strategies influences food choices and consumption patterns, especially among children( Reference Magnus, Haby and Carter 14 , Reference Hastings, Stead and McDermott 15 , Reference Harris, Schwartz and Brownell 51 , Reference Wicks, Warren and Fosu 52 ). Exposure to these ads causes children to consider these products as more attractive than other – healthier – food options( Reference Horgen, Choate and Brownell 53 ).

There is sufficient scientific evidence showing that food advertising exerts a powerful influence not only on children’s food preferences, but also on their food intake, food purchase requests( Reference Powell, Szczypka and Chaloupka 54 ) and their weight( Reference Dietz and Gortmaker 55 ). Therefore, reducing exposure of children to unhealthy food advertising is one of the most cost-effective measures to tackle the childhood overweight/obesity epidemic( 50 ). However, our results suggest that, at least in Argentina, these reductions should not be limited to programmes categorized as ‘children’s programmes’ broadcast on TV networks, since unhealthy food ads are more frequent during programmes targeting the general audience than in children’s programmes. If we assume that advertising influences consumer choices in general, the pervasiveness of unhealthy food marketing on TV may contribute to the overall obesogenic environment by influencing the types of foods that parents buy and make available to their family at home.

Moreover, ratings data from September 2016 for the five free-to-air television networks in Argentina indicate that from the twenty programmes most popular among children, eighteen are programmes targeted to the general audience. Also, from the total number of programmes aired on free-to-air television networks, 89 % are programmes targeting the general audience. This demonstrates that children are not only exposed to ads aired during children’s programmes but also to those aired during programmes targeted to the general audience (IBOPE, personal communication, September 2016).

In this context, the use of powerful advertising techniques to promote low nutritional quality food products in programmes targeted to the general audience also has a direct impact on children’s consumption choices. Approximately half of food product ads broadcast in this audience are for sugary beverages, whose impact on childhood overweight, obesity and diabetes is well documented( Reference Malik, Popkin and Bray 56 ). The potential exposure of children to advertising of these products is alarming, particularly in a country like Argentina where the consumption of sugar is triple the international recommended daily intake( Reference Natella, Divan and Rana 57 ). Considering the results presented here and the information about ratings facilitated by IBOPE, children are potentially exposed to an average of sixty-one ads for PUPF products with low nutritional value on TV per week. These findings are consistent with those obtained in other countries( Reference Kelly, Smith and King 16 ).

Although countries such as Chile, Mexico, South Korea and the UK have put forth policies to regulate unhealthy food advertising, these measures often contain legal loopholes and fail to effectively protect children from exposure to this advertising( Reference Anand, Hawkes and De Souza 58 ). Although these regulations are an important base they are not enough to protect children’s right to health and should be updated to include all new marketing techniques.

In Argentina, there are public policies that attempt to protect children from deceitful commercials or from the advertising of harmful products. Some examples include the Consumer Protection Act 24240 (1993), the Audiovisual Services Act 26522 (2009) and the Commercial Loyalty Act 22082 (1983)( 59 62 ). These policies have not been specifically designed to limit exposure of children to food marketing from a public health perspective. Rather, they have been included in a more general framework of consumers’ rights protection. As another example, in September 2015 the ANMAT (National Drug, Food and Medical Technology Administration) issued a regulation to enforce monitoring of food and drug advertising in order to assert that the information provided therein is ‘truthful and objective’ and that it does not promote ‘unhealthy behavior and/or habits’( 62 ). The regulation does not contemplate any specifications as to how to determine whether a particular product should be considered unhealthy or not, nor does it establish any a priori restriction on the advertising of food product categories.

As shown above, exposure of Argentinean children to advertising of PUPF products is very high and disproportionate to that of healthy and natural food products. It is essential for Argentina to promote and design an effective policy to protect children from this influence and to promote consumption of healthy food products. Such a policy should include not only channels or programmes that explicitly target children but also those targeting the general audience, as well as other media such as the Internet, particularly new media scenarios and marketing strategies. Several studies conclude that it is necessary to have a comprehensive policy that regulates all media and communication channels( Reference Anand, Hawkes and De Souza 58 ). Experiences suggest that partial restrictions on advertising in certain media, or at specific times, result only in greater exposure from other media and at other times( Reference Adams, Tyrrell and Adamson 63 ), as the food industry shifts its advertising expenditure from the restricted to the unrestricted forms of advertising. This also happened when partial tobacco advertising restrictions were introduced that applied only to radio and television advertising( Reference Saffer and Chaloupka 64 ).

One of the strengths of the present study is that data generated here will contribute to the understanding of TV food marketing characteristics in Argentina and to the setting of a baseline against which future progress can be measured. Also, the study is innovative in applying the NOVA system and the PAHO nutrient profile model in Argentina to assess the nutritional quality of food products advertised on TV. This will allow for comparison with other countries in Latin America and potentially facilitate a regional approach to curb childhood obesity. Finally, because of the sampling design that included a large sample of ads from different channels, the study has a wide scope that guarantees its representativeness of the situation of TV food ads in Argentina. However, the study also presents limitations. By focusing only on TV advertising, our results may underestimate the overall level of exposure of children and adolescents to food ads in general. However, we decided to begin our research on exposure of children to food advertising by focusing on TV for two reasons. First, as explained above, there is solid evidence that time spent watching TV and exposure to unhealthy food ads on TV are associated with children consuming more of the advertised foods (which are overwhelmingly unhealthy). Second, although advertising is shifting to other media, such as the Internet, in the year 2014–2015 TV remained a frequently used medium for marketing purposes. Estimates of advertising expenditure in Argentina indicate that TV spending was 39·5 % of total advertising expenditure in 2014 and 38·5 % over the period 2014–2015, while Internet marketing expenditure was 15·9 to 20·4 %( 30 ).

The current study is the first that describes the extent and power of food advertising on Argentinean TV; we considered this to be a good starting point to generate scientific knowledge about food marketing in our country, with the specific purpose of contributing to public health policy dialogues. In fact, we have already contributed to this process by sharing and discussing our results with policy makers in several forums.

Future research should explore other communication means, such as product placement within programmes, social media and the Internet, in order to accurately assess exposure to unhealthy food advertising in the country. We hope to contribute to this effort.

Conclusions

Our study showed that Argentinean children are exposed to a high number of ads for PUPF products, most of which should not be permitted to be marketed to children due to their excessive content of energy, saturated and trans fats, sugar and/or salt. Moreover, more powerful marketing strategies, such as promotions and celebrity endorsements, are used in ads aired during TV programmes targeting children. The Argentinean Government could build on this information to design and implement a comprehensive policy to reduce exposure to the advertising of these unhealthy products to children, in line with the recommendations issued by WHO and PAHO to tackle the childhood obesity epidemic. Such policies should not be limited to children’s programmes and should also be applied in other communication channels such as the Internet, new media scenarios and to food packages.

Acknowledgements

Acknowledgements: The authors thank Malena Pirola for her assistance in writing the manuscript and the rest of FIC-Argentina’s team for their contribution during the conduct of this study. They also thank Maria Lia Ghelfi and Gisela Becerra for their assistance in data coding. Financial support: This work was supported by the International Development Research Center (IDRC; grant number 107459-001): ‘Food advertising to children in Argentinean television: a quantitative and qualitative analysis’. IDRC had no role in the design, analysis or writing of this article. Conflict of interest: none. Authorship: L.A. was responsible for the research design, data collection and data entry process, interpretation of results and writing of the manuscript. L.C. and M.V.T. contributed to the elaboration of the data collection instrument, elaboration of the manual for coders, training of coders and supervision of the data collection process, participated in interpretation of results and revised the manuscript. M.P. conducted data analysis and assisted in interpreting results. V.S. designed the overall strategy, supervised all the phases of this study and provided substantive review of the manuscript. Ethics of human subject participation: The study did not involve human subjects.

Footnotes

* Kantar IBOPE Media provided rating measures by email on request.

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Figure 0

Table 1 Number of advertisements (ads) aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 21 085), by audience category

Figure 1

Table 2 Proportion and number of food advertisements (ads) aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 21 085), by food processing level categorized according to the NOVA system and audience category

Figure 2

Table 3 Proportion of food advertisements (ads) aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 3340), by food processing level categorized according to the NOVA system, food category and audience category

Figure 3

Table 4 Advertising techniques employed in food advertisements (ads) for processed and ultra-processed (PUPF) food products aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 3187), by audience category

Figure 4

Fig. 1 Proportion of products with an excessive content of at least one nutrient (i.e. energy, total fat, saturated fat, trans fat, sugar and/or salt)† in food advertisements for processed and ultra-processed (PUPF) food products aired on eight selected Argentinean television channels, November and December 2013 and January 2014 (n 3187), by audience category: , general audience, no excesses; , general audience, one or more excesses; , child audience, no excesses; , child audience, one or more excesses. †Nutritional quality analysed using the Pan American Health Organization’s nutrient profile model