Yue Chen1, Lingjia Qian. 1. Department of Epidemiology and Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada. ychen@uottawa.ca
Abstract
BACKGROUND: Obesity has been linked to stress, but there is lack of strong evidence from general populations. METHODS: The analysis was based on data from 112,716 Canadians aged 18 years or more who participated in a national survey conducted in 2007-2008. A questionnaire covered the information on self-perceived lifetime stress, height, and weight. Logistic regression analysis was used to determine the association between chronic stress and obesity. RESULTS: The crude prevalence of obesity was 18.1% for men and 16.0% for women. A small proportion (3.7%) of the participants reported being extremely stressed most days in their lives and 19.1% reported being quite a bit stressed, and the proportions of stress were slightly higher in women than in men. Overall, those who reported being extremely stressed (adjusted OR: 1.23, 95% CI: 1.13, 1.35) or those who reported being quite a bit stressed (adjusted OR: 1.08, 95% CI: 1.02, 1.15) had an increased risk of obesity compared with who were not at all stressed. The adjusted odds ratio was 1.44 (95% CI: 1.13, 1.35) for women who were extremely stressed compared with women who were not at all stressed. CONCLUSION: Lifetime stress was associated with an increased risk of obesity especially in women.
BACKGROUND:Obesity has been linked to stress, but there is lack of strong evidence from general populations. METHODS: The analysis was based on data from 112,716 Canadians aged 18 years or more who participated in a national survey conducted in 2007-2008. A questionnaire covered the information on self-perceived lifetime stress, height, and weight. Logistic regression analysis was used to determine the association between chronic stress and obesity. RESULTS: The crude prevalence of obesity was 18.1% for men and 16.0% for women. A small proportion (3.7%) of the participants reported being extremely stressed most days in their lives and 19.1% reported being quite a bit stressed, and the proportions of stress were slightly higher in women than in men. Overall, those who reported being extremely stressed (adjusted OR: 1.23, 95% CI: 1.13, 1.35) or those who reported being quite a bit stressed (adjusted OR: 1.08, 95% CI: 1.02, 1.15) had an increased risk of obesity compared with who were not at all stressed. The adjusted odds ratio was 1.44 (95% CI: 1.13, 1.35) for women who were extremely stressed compared with women who were not at all stressed. CONCLUSION: Lifetime stress was associated with an increased risk of obesity especially in women.
Authors: Carmen R Isasi; Christina M Parrinello; Molly M Jung; Mercedes R Carnethon; Orit Birnbaum-Weitzman; Rebeca A Espinoza; Frank J Penedo; Krista M Perreira; Neil Schneiderman; Daniela Sotres-Alvarez; Linda Van Horn; Linda C Gallo Journal: Ann Epidemiol Date: 2014-11-12 Impact factor: 3.797
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