Consistent with this
observation, the strength
of the inverse association with risk
of type 2 diabetes was similar for decaffeinated (multivariate RR 0.81 [95 % CI 0.73 — 0.90]-RRB- and caffeinated coffee consumption (0.87 [0.83 — 0.91]-RRB- when expressed for a one - cup increment in consumption per day and
simultaneously included in the multivariate model.