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Type: Journal article
Title: SSRI antidepressant use potentiates weight gain in the context of unhealthy lifestyles: results from a 4-year Australian follow-up study
Author: Shi, Z.
Atlantis, E.
Taylor, A.
Gill, T.
Price, K.
Appleton, S.
Wong, M.
Licinio, J.
Citation: BMJ: British Medical Journal, 2017; 7(8):e016224-1-e016224-7
Publisher: BMJ Publishing Group
Issue Date: 2017
ISSN: 0959-8138
Statement of
Zumin Shi, Evan Atlantis, Anne W Taylor, Tiffany K Gill, Kay Price, Sarah Appleton, Ma-Li Wong, Julio Licinio
Abstract: Objective: To examine the association between antidepressant use and weight gain, as well as the interaction with lifestyle factors. Design: Longitudinal study. Setting and participants: We used data from 2334 adults from two stages (4.4 years apart) of the North West Adelaide Health Study, including validated diet and lifestyle questionnaires, measured body weight and linked pharmaceutical prescription data. Main outcome measures: Body weight change. Results: 188 (8.1%) participants had a mean annual number of 1–2 antidepressant prescriptions, and 212 (9.1%) had over two prescriptions. The mean annual weight gain was 0.12, 0.18 and 0.28 kg in non-users, low (1–2 prescriptions/year) and high (>2 prescriptions/year) antidepressant users, respectively. In multivariable regression models, antidepressant use was positively associated with weight gain: high antidepressant users gained an extra 0.22 (95% CI 0.00 to 0.44) kg per year. This association was mainly due to selective serotonin reuptake inhibitor (SSRI) use. High SSRI users gained 0.48 (95% CI 0.20 to 0.76) kg more than non-users. There was no association between tricyclic or other antidepressant use and weight gain. The association between SSRI use and weight gain was stronger among those with high intake of Western diet, greater sedentary activity, and who smoked. Conclusions: SSRIs use was associated with weight gain in the presence of unhealthy behaviours including Western diet, sedentarism and smoking.
Keywords: dietary patterns
Rights: © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted. This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http:// creativecommons. org/ licenses/ by- nc/ 4. 0/
DOI: 10.1136/bmjopen-2017-016224
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