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dc.titleType of tea consumption and depressive symptoms in Chinese older adults
dc.contributor.authorYao, Yao
dc.contributor.authorChen, Huashuai
dc.contributor.authorChen, Lele
dc.contributor.authorJu, Sang-Yhun
dc.contributor.authorYang, Huazhen
dc.contributor.authorZeng, Yi
dc.contributor.authorGu, Danan
dc.contributor.authorNg, Tze Pin
dc.identifier.citationYao, Yao, Chen, Huashuai, Chen, Lele, Ju, Sang-Yhun, Yang, Huazhen, Zeng, Yi, Gu, Danan, Ng, Tze Pin (2021-05-24). Type of tea consumption and depressive symptoms in Chinese older adults. BMC Geriatrics 21 (1) : 331. ScholarBank@NUS Repository.
dc.description.abstractBackground: Existing research indicates that tea drinking may exert beneficiary effects on mental health. However, associations between different types of tea intake and mental health such as depression have not been fully examined. The purpose of this study was to examine the associations of green tea, fermented tea, and floral tea consumption with depressive symptoms. Methods: We used data from the 2018 wave of the Chinese Longitudinal Healthy Longevity Survey, a nationwide survey on older adults in mainland China. A total of 13,115 participants (mean age 83.7 years, 54.2% were women) with valid responses were included in the analysis. The type (green, fermented [black, Oolong, white, yellow, dark, and compressed teas], and floral) and the frequency of tea consumption were recorded, and depressive symptoms were assessed using 10-item of the Center for Epidemiologic Studies Depression Scale (CES-D-10). We examined the associations between the type and the frequency of tea intake and depression, controlling for a set of demographic, socioeconomic, psychosocial, behavioral, and health-related variables. Results: Overall, intakes of green tea, fermented tea, and floral tea were all significantly associated with lower prevalence of depressive symptoms, independent of other risk factors. Compared with the group of no tea intake, the adjusted ORs of depressive symptoms for daily green tea, fermented tea, and floral tea intake were 0.85 (95% CI: 0.76–0.95), 0.87 (95% CI: 0.76–0.99), and 0.70 (95% CI: 0.59–0.82), respectively. Linear associations were observed between the frequencies of all three types of tea intake and depressive symptoms (P < 0.05 for trends for all three types). The associations of the type and the frequency of tea intake and depressive symptoms were robust in several sensitivity analyses. Conclusions: Among Chinese older adults, regularly consumed any type of tea (green, fermented, or floral) were less likely to show depressive symptoms, the associations seemed more pronounced among floral tea and green tea drinkers. © 2021, The Author(s).
dc.publisherBioMed Central Ltd
dc.rightsAttribution 4.0 International
dc.sourceScopus OA2021
dc.subjectDepressive symptoms
dc.subjectMental health
dc.subjectOlder adults
dc.subjectType of tea intake
dc.contributor.departmentDEPT OF PSYCHOLOGICAL MEDICINE
dc.description.sourcetitleBMC Geriatrics
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