Table 1 —

Distributions of selected variables by diabetes status at baseline, the Iowa Women’s Health Study, 1986

VariableDiabetes status
NoneType 1Type 2
n30,377471,682
Age (years)61.560.962.3*
Waist-to-hip ratio0.8330.8340.900*
BMI (kg/m2)26.725.830.5*
Alcohol consumption (g/week)3.902.311.84*
Energy intake (kcal/day)1,8021,8101,751*
Vitamin D intake (IU/day)411486415
Calcium intake (g/day)1,0971,0551,079
Protein intake (g/day)80.681.584.7*
Low physical activity (%)47.046.755.9*
Smoking status (%)
 Current15.211.112.0
 Former19.422.221.3
 Never65.466.766.7*
Estrogen use (%)
 Current11.44.47.8
 Former27.728.927.5
 Never60.966.764.7*
  • Data are n or %.

  • *

    * P < 0.01 for overall difference among diabetes status groups.