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The determinants of malnutrition in the Irish elderly population: preliminary results from The Irish Longitudinal Study on Ageing (TILDA)

Published online by Cambridge University Press:  29 September 2017

L. Bardon ,
C.A. Corish ,
M. Clarke ,
K. Smuts ,
L. Power  and
E.R. Gibney
L. Bardon
Affiliation:
School of Agriculture and Food Science, University College Dublin, Dublin, Republic of Ireland UCD Institute of Food and Health, University College Dublin, Dublin, Republic of Ireland.
C.A. Corish
Affiliation:
School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland UCD Institute of Food and Health, University College Dublin, Dublin, Republic of Ireland.
M. Clarke
Affiliation:
School of Agriculture and Food Science, University College Dublin, Dublin, Republic of Ireland UCD Institute of Food and Health, University College Dublin, Dublin, Republic of Ireland.
K. Smuts
Affiliation:
School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland UCD Institute of Food and Health, University College Dublin, Dublin, Republic of Ireland.
L. Power
Affiliation:
School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland UCD Institute of Food and Health, University College Dublin, Dublin, Republic of Ireland.
E.R. Gibney
Affiliation:
School of Agriculture and Food Science, University College Dublin, Dublin, Republic of Ireland UCD Institute of Food and Health, University College Dublin, Dublin, Republic of Ireland.
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Abstract

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Abstract
Information
Proceedings of the Nutrition Society , Volume 76 , Issue OCE3: Irish Section Meeting, 21–23 June 2017, What governs what we eat? , 2017 , E115
Copyright
Copyright © The Authors 2017 

In Ireland, the proportion of the population aged 65 years or more is expected to rise from 11 % in 2006 to 29 % by 2041( Reference McGill 1 ). It is important that older people remain healthy, functional and independent for as long as possible( Reference Mathers 2 ). Malnutrition has a detrimental effect on health, wellbeing, quality of life, disease outcome and dependency( Reference Sullivan 3 , Reference Vellas, Hunt and Romero 4 ). Determinants of malnutrition need to be identified to inform public health policy on its prevention and management. The Malnutrition in the Elderly (MaNuEL) project is conducting comparable analysis of longitudinal European datasets of older people to determine the predictors of nutritional risk. The aim of the current research was to assess the factors associated with developing malnutrition from baseline to 2-year follow-up using data from TILDA.

Data from the publicly accessible wave 1 and wave 2 TILDA datasets were used to conduct univariate regression analysis of a sub-cohort of participants (n = 1,841), using SPSS version 20·0 (IBM Corporation) to determine factors associated with malnutrition at 2-year follow-up. Malnutrition was defined as a BMI <20 kg/m2 and/or weight loss ⩾10 % at follow up. Exclusion criteria included being under 65 years of age, BMI or weight loss data unavailable at baseline and/or follow-up, and having malnutrition at baseline (BMI<20 kg/m2 or weight loss ⩾10 % over 2 years).

Approximately half the cohort was female (50·2 %) with a mean age of 72 years. Determinants associated (p < 0·05) with malnutrition are displayed in the Table.

*Low physical activity determined using the International Physical Activity Questionnaire.

Risk of malnutrition in TILDA is influenced by determinants from demographic, social, lifestyle, disease- related, physical functioning and psychological domains. In this analysis, gender, appetite, education, living situation, alcohol consumption, smoking, number of chronic diseases, pain, falls and handgrip strength were not associated with malnutrition. Future work will include multivariate regression analysis to establish the strongest independent determinants of malnutrition among the older Irish population.

This research is funded by the Department of Agriculture, Food and the Marine (DAFM) and the Joint Programming Initiative (JPI) ‘Healthy Diet for a Healthy Life’ (HDHL) under the Knowledge Hub on Malnutrition in the Elderly (MaNuEL) project.

References

1. McGill, P. (2010) Illustrating Ageing in Ireland North and South: Key Facts and Figures. Belfast: Centre for Ageing Research and Development in Ireland. Google Scholar
2. Mathers, JC. (2015) Br J Nutr. 113, 18–22.CrossRefGoogle Scholar
3. Sullivan, DH. (1995) Clin Geriatr Med. 11, 661–674.CrossRefGoogle Scholar
4. Vellas, BJ, Hunt, WC, Romero, LJ et al. (1997) Nutrition 13, 515–519.CrossRefGoogle Scholar