Sitting-time, physical activity and depressive symptoms in mid-aged women

van Uffelen, Jannique, Van Gellecum, Y, Burton, N. B, Peeters, G, Heesch, K. C and Brown, W. J (2013) Sitting-time, physical activity and depressive symptoms in mid-aged women. American Journal of Preventive Medicine, 45 (3). pp. 276-281. ISSN 0749-3797

Abstract

Background Associations of sitting-time and physical activity with depression are unclear. Purpose To examine concurrent and prospective associations between both sitting-time and physical activity with prevalent depressive symptoms in mid-aged Australian women. Methods Data were from 8950 women, aged 50–55 years in 2001, who completed mail surveys in 2001, 2004, 2007, and 2010. Depressive symptoms were assessed using the Center for Epidemiological Studies Depression questionnaire. Associations between sitting-time (≤4 hours/day, >4–7 hours/day, >7 hours/day) and physical activity (none, some, meeting guidelines) with depressive symptoms (symptoms/no symptoms) were examined in 2011 in concurrent and lagged mixed-effect logistic modeling. Both main effects and interaction models were developed. Results In main effects modeling, women who sat >7 hours/day (OR=1.47, 95% CI=1.29, 1.67) and women who did no physical activity (OR=1.99, 95% CI=1.75, 2.27) were more likely to have depressive symptoms than women who sat ≤4 hours/day and who met physical activity guidelines, respectively. In interaction modeling, the likelihood of depressive symptoms in women who sat >7 hours/day and did no physical activity was triple that of women who sat ≤4 hours/day and met physical activity guidelines (OR 2.96, 95% CI=2.37, 3.69). In prospective main effects and interaction modeling, sitting-time was not associated with depressive symptoms, but women who did no physical activity were more likely than those who met physical activity guidelines to have future depressive symptoms (OR=1.26, 95% CI=1.08, 1.47). Conclusions Increasing physical activity to a level commensurate with guidelines can alleviate current depression symptoms and prevent future symptoms in mid-aged women. Reducing sitting-time may ameliorate current symptoms.

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/21718
DOI https://doi.org/10.1016/j.amepre.2013.04.009
Official URL http://www.sciencedirect.com/science/article/pii/S...
Subjects Historical > FOR Classification > 1106 Human Movement and Sports Science
Historical > Faculty/School/Research Centre/Department > Institute of Sport, Exercise and Active Living (ISEAL)
Keywords PA, mental health prospective cohort, middle aged adults, middle aged females, Australian women, depression
Citations in Scopus 50 - View on Scopus
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