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Heavy daily smoking among under 18-year-old psychiatric inpatients is associated with increased risk for suicide attempts

Published online by Cambridge University Press:  16 April 2020

Kaisa Riala*
Affiliation:
Department of Psychiatry, University of Oulu, Box 5000, 90014 University of Oulu, Finland Department of Psychiatry, Oulu University Hospital, Box 26, 90029OYS, Finland
Kaisa Viilo
Affiliation:
Department of Psychiatry, Oulu University Hospital, Box 26, 90029OYS, Finland
Helinä Hakko
Affiliation:
Department of Psychiatry, Oulu University Hospital, Box 26, 90029OYS, Finland
Pirkko Räsänen
Affiliation:
Department of Psychiatry, University of Oulu, Box 5000, 90014 University of Oulu, Finland
*
*Corresponding author. Department of Psychiatry, Oulu University Hospital, Box 26, 90029 OYS, Finland. Tel.: +358 8 3156808; fax: +358 8 3157256. E-mail address:kaisa.riala@oulu.fi (K. Riala).
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Abstract

Purpose

To investigate the relationship between heavy daily smoking and suicidality among adolescent psychiatric inpatients in Finland.

Methods

Data were collected from 411 patients (age 12–17 years) admitted to inpatient psychiatric hospitalization between April 2001 and July 2005. The number of daily cigarettes (>15) and the time of first cigarette after waking up (within 30 min) were used as indicators of heavy daily smoking.

Results

After adjusting for psychiatric diagnoses an over twofold risk for suicide attempts was found among adolescents who smoked over 15 cigarettes a day. Additionally, if an adolescent also smoked the first cigarette immediately after waking up the risk was over threefold. Suicidal ideation was not associated with smoking behaviour.

Discussion and conclusions

Among adolescents with severe psychiatric illnesses, heavy daily smoking may increase the risk of suicidal behaviour independently of current psychiatric diagnosis. The degree of nicotine dependence of an adolescent should therefore be carefully assessed as part of psychiatric evaluation.

Type
Original article
Copyright
Copyright © Elsevier Masson SAS 2007

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