MedStar Authors catalog › Details for: Coffee and Tea Consumption in Relation to Risk of Rheumatoid Arthritis in the Women's Health Initiative Observational Cohort.
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Coffee and Tea Consumption in Relation to Risk of Rheumatoid Arthritis in the Women's Health Initiative Observational Cohort.

by Lamichhane, D; Collins, Christopher; Constantinescu, Florina; Howard, Barbara V.
Citation: JCR: Journal of Clinical Rheumatology. 2018 Apr 19.Journal: Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases.Published: 2018ISSN: 1076-1608.Full author list: Lamichhane D; Collins C; Constantinescu F; Walitt B; Pettinger M; Parks C; Howard BV.UI/PMID: 29794514.Subject(s): IN PROCESS -- NOT YET INDEXEDInstitution(s): MedStar Washington Hospital Center | MedStar Health Research InstituteDepartment(s): Medicine/RheumatologyActivity type: Journal Article.Medline article type(s): Journal ArticleOnline resources: Click here to access online Digital Object Identifier: (Click here) Abbreviated citation: J. clin. rheumatol.. 2018 Apr 19.Local Holdings: Available online from MWHC library: February 2001 - present.Abstract: OBJECTIVE: The aim of this study was to evaluate whether tea or coffee consumption is associated with an increased risk of older-onset rheumatoid arthritis (RA) using the Women's Health Initiative Observational Study.Abstract: METHODS: The Women's Health Initiative Observational Study is a longitudinal prospective cohort study conducted from 1993 to 1998. There were 76,853 women who completed a self-administered questionnaire about their daily consumption of tea and coffee. One hundred eighty-five women self-reported and validated incident cases of RA were observed after 3 years of observation. Multivariable Cox proportional hazards models were performed to assess the relationship between consumption habits and disease incidence. Trend tests were calculated using categorical variables modeled as a continuous variable without collapsing.Abstract: RESULTS: There was no increase in the hazard ratio for incident RA in those participants who drank coffee compared with those who did not. The amount of coffee consumed and the method of preparation (caffeinated/decaffeinated; filtered/unfiltered) also did not alter the risk of incident RA. There was a positive association of incident RA and caffeinated tea consumption in the trend test (P = 0.03). When assessing any caffeinated tea consumption versus no tea consumption, the hazard ratio for incident RA was 1.40 (confidence interval, 1.01-1.93; P = 0.04).Abstract: CONCLUSIONS: In a large prospective cohort of older women, there was no association between coffee consumption and incident RA. A small association between daily caffeinated, nonherbal tea consumption and incident RA was found.

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