Age and gender specific association between obesity and depressive symptoms: a large-scale cross-sectional study
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RESEARCH ARTICLE
Open Access
Age and gender specific association between obesity and depressive symptoms: a large-scale cross-sectional study Wei Liao1†, Zhicheng Luo1†, Yitan Hou2, Ningning Cui1, Xiaotian Liu1, Wenqian Huo1, Fang Wang3 and Chongjian Wang1*
Abstract Background: This is a cross-sectional study to explore the age and gender specific association between obesity and depression in Chinese rural adults. Methods: A total of 29,900 eligible participants from the Henan Rural Cohort Study were included. Standard anthropometric measurements were undertaken to obtain data on body mass index (BMI) and waist circumference (WC). The Patient Health Questionnaire-2 (PHQ-2) was utilized to discover depressive symptoms. Logistic regression was performed to explore the association between obesity (independent variable) and depressive symptoms (dependent variable). Results: There were 1777 subjects with depressive symptoms, accounting for 5.94%. After multivariable adjustment, compared with normal weight group, the odds ratios (ORs) [95% confidence interval (CI)] for depressive symptoms in underweight, overweight and general obese groups were 1.41 (1.08–1.84), 0.87 (0.78–0.97) and 0.86 (0.74–0.99), respectively. Similarly, the OR (95% CI) of abdominal obesity group was 0.84 (0.76–0.93). Besides, there was linear decreasing trend of WC with depressive symptoms, but not BMI. Moreover, the inverse association between obesity and depressive symptoms was stronger in men and the elderly than that in women and the young. Conclusion: Underweight was associated with a higher prevalence of depressive symptoms, which indicated that health care should pay attention to underweight as well as obesity, especially for women and the young. Clinical trial registration: The Henan Rural Cohort Study has been registered at Chinese Clinical Trial Register (Registration number: ChiCTR-OOC-15006699). Date of registration: 2015-07-06. Keywords: Depressive symptoms, Obesity, Association, age, gender
* Correspondence: [email protected] † Wei Liao and Zhicheng Luo contributed equally to this work. 1 Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, 100 Kexue Avenue, Zhengzhou 450001, Henan, PR China Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need
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