Dose-Response Associations Between Diet and Risk of Rheumatoid Arthritis: A Meta-Analysis of Prospective Cohort Studies.

We found a positive trend for tea with a pooled RR of 1.04 per cup/d (95% CI: 1.02, 1.05, I 2 = 0%, P-heterogeneity = 0.53) in the linear dose–response analysis, but no conclusive dose–response association was observed for other beverages ( Supplementary Figure S7 ).

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While there was some evidence of an association for each additional 2 units/week of wine consumption (RR: 0.98; 95% CI: 0.97, 1.00; Supplementary Figure S3 ), this was borderline non-significant.

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