Fig 4. Butter consumption and risk of type 2 diabetes.
Within-study dose-response RRs were derived from reported linear effects or generalized least-squares trend estimation for studies reporting categories of intake, a pooled using both inverse-variance weighted random and fixed effects meta-analysis. D+L: DerSimonian and Laird random effects; EPIC: European Prospective Investigation into Cancer and Nutrition; I-V: Inverse-variance fixed effects; RR (95%CI): Relative Risk and 95% Confidence Interval.