Table 2—

RR (95% CI) of type 2 diabetes for alcohol consumption categories for all data, crude and adjusted data, diabetes definition tested and self-reported, men and women, and low and high BMI, with two-sided P values for differences between subgroups

Number of studiesAlcohol consumption categories (g/day)
0 (ref.)<66–1212–2424–48>48
All data1510.87 (0.79–0.95)0.70 (0.61–0.79)0.69 (0.58–0.81)0.72 (0.62–0.84)1.04 (0.84–1.29)
Crude10 (w)10.70 (0.59–0.83)0.59 (0.40–0.89)0.50 (0.36–0.69)0.71 (0.59–0.85)0.98 (0.78–1.23)
Adjusted10 (w)10.88 (0.80–0.95)0.73 (0.62–0.86)0.66 (0.59–0.75)0.74 (0.63–0.88)0.93 (0.74–1.18)
    P0.040.360.120.750.77
Type 2 diabetes tested7 (b)10.91 (0.79–1.05)0.89 (0.72–1.10)0.86 (0.64–1.15)0.76 (0.63–0.93)1.14 (0.89–1.45)
Type 2 diabetes self-reported7 (b)10.85 (0.75–0.97)0.65 (0.57–0.73)0.57 (0.50–0.65)0.59 (0.49–0.71)0.88 (0.55–1.39)
    P0.510.040.030.100.36
Men11 (w and b)10.93 (0.82–1.04)0.80 (0.71–0.90)0.75 (0.60–0.95)0.71 (0.60–0.83)1.06 (0.86–1.32)
Women6 (w and b)10.81 (0.75–0.88)0.59 (0.54–0.64)0.55 (0.47–0.65)0.78 (0.49–1.23)*
    P0.140.010.21
BMI lowest strata6 (w)10.76 (0.65–0.88)0.64 (0.44–0.92)0.73 (0.53–1.01)0.85 (0.49–1.46)1.28 (0.37–4.40)
BMI highest strata6 (w)10.85 (0.79–0.92)0.75 (0.63–0.90)0.67 (0.57–0.78)0.71 (0.55–0.91)0.92 (0.73–1.16)
    P0.530.450.530.790.65
  • *

    * The single observation in women in the >48-g/day category is pooled with the observations in the 24- to 48-g/day category. w, within-study comparison; b, between-study comparison.