Jacob, L;
Smith, L;
Jackson, SE;
Haro, JM;
Shin, JI;
Koyanagi, A;
(2020)
Secondhand Smoking and Depressive Symptoms Among In-School Adolescents.
American Journal of Preventive Medicine
10.1016/j.amepre.2019.12.008.
(In press).
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Abstract
INTRODUCTION: Smoking has been linked with depressive symptoms in adolescents, but data on secondhand smoking and depressive symptoms in low- and middle-income countries are scarce. Thus, this study analyzes the association between secondhand smoking and depressive symptoms among in-school adolescents from 22 low- and middle-income countries. METHODS: Data from the 2003-2008 Global School-Based Student Health Survey were analyzed in June 2019. Data on past-week exposure to secondhand smoke and past-year depressive symptoms were collected. The association between secondhand smoke and depressive symptoms was studied using multivariable logistic regressions and meta-analyses. RESULTS: The sample consisted of 37,505 adolescents aged 12-15 years who never smoked. The prevalence of depressive symptoms increased from 23.0% in adolescents with no secondhand smoking to 28.9% in those with secondhand smoking every day in the past week. After adjusting for sex, age, food insecurity, and country, there was a dose-response relationship between secondhand smoking and depressive symptoms in the overall sample (0 days: reference; 1-2 days: OR=1.06, 95% CI=0.95, 1.18; 3-6 days: OR=1.38, 95% CI=1.20, 1.58; 7 days: OR=1.63, 95% CI=1.44, 1.86). The country-wise analysis showed that secondhand smoking on at least 3 days (versus <3 days) in the past week was associated with a 1.48-fold increase in the odds of depressive symptoms (95% CI=1.39, 1.59), with a low level of between-country heterogeneity (I2=4.2%). CONCLUSIONS: There was a positive association between secondhand smoking and depressive symptoms among in-school adolescents from low- and middle-income countries. Further research should investigate causality and assess whether prevention of exposure to secondhand smoke can have a positive effect on the mental well-being of adolescents.
| Type: | Article |
|---|---|
| Title: | Secondhand Smoking and Depressive Symptoms Among In-School Adolescents |
| Location: | Netherlands |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.amepre.2019.12.008 |
| Publisher version: | http://dx.doi.org/10.1016/j.amepre.2019.12.008 |
| Language: | English |
| Additional information: | © 2020 American Journal of Preventive Medicine.This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health > Behavioural Science and Health |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10092995 |
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