Table 1—

Baseline clinical and demographic characteristics of nondiabetic Pima Indians included in the three time periods

Period
1965–19771978–19901991–2003P
n
    Total2,8592,5832,794
    Men1,3371,0851,199
    Women1,5221,4981,595
Follow-up (years)6.6 (0.6–12.8)6.3 (1.4–12.8)6.1 (1.5–12.9)
New cases (%)351 (35)297 (30)357 (35)
Mean age (years)*20.8 ± 0.320.7 ± 0.322.6 ± 0.3<0.0001
BMI (kg/m2)
    Men22.8 ± 0.226.1 ± 0.227.7 ± 0.2<0.0001
    Women25.2 ± 0.227.6 ± 0.230.1 ± 0.2<0.0001
2-h plasma glucose (mg/dl)105.8 ± 0.5107.4 ± 0.5107.7 ± 0.50.003
  • Data are median (range), means ± SE, or n (%) unless otherwise indicated.

  • *

    * Sex adjusted.

  • Age adjusted.

  • Mean baseline values, age and sex adjusted.