Table 1—

Characteristics of baseline diabetes-free population by quintiles of total dietary fiber, ARIC 1987–1989

Total dietary fiber quintiles (mean)
Whites
African-Americans
1 (11.2)2 (13.4)3 (16.1)4 (19.3)5 (27.5)1 (10.2)2 (11.6)3 (14.3)4 (18.1)5 (26.1)
Women34.351.856.961.463.347.258.465.871.471.0
Incidence of diabetes11.210.510.39.69.418.118.315.417.019.1
Age (years)53.1 ± 5.553.7 ± 5.554.1 ± 5.654.6 ± 5.855.2 ± 5.652.4 ± 5.752.8 ± 5.753.3 ± 5.853.3 ± 5.853.6 ± 5.8
BMI (kg/m2)26.8 ± 4.426.7 ± 4.526.7 ± 4.626.5 ± 4.526.4 ± 4.628.7 ± 6.128.6 ± 5.829.5 ± 5.729.6 ± 6.329.3 ± 6.1
Smoking status
 Current38.127.120.817.714.542.133.528.924.020.4
 Former34.435.635.736.535.923.122.721.822.725.2
 Never27.637.243.645.849.534.943.849.353.254.4
Physical activity
 Low43.237.833.130.027.260.763.957.356.844.1
 Medium30.330.432.433.931.929.223.127.326.330.3
 High26.431.834.536.140.910.213.015.416.925.6
Education
 Less than high school17.214.813.913.715.546.741.938.534.725.6
 High school37.037.236.736.634.322.519.621.420.823.5
 Vocational school10.09.09.28.49.66.57.57.17.27.5
 College28.130.330.431.629.113.819.020.019.721.7
 Graduate/professional school7.78.79.89.811.510.511.913.017.621.7
Dietary factors
 Total energy intake (kcal/day)1,796 ± 6381,531 ± 5491,528 ± 5361,562 ± 5111,708 ± 5381,780 ± 6111,456 ± 5191,485 ± 5361,551 ± 5361,740 ± 590
 Cereal fiber (g/day)2.7 ± 1.73.0 ± 1.63.5 ± 1.93.9 ± 2.15.1 ± 3.62.8 ± 1.62.8 ± 1.52.9 ± 1.63.3 ± 1.84.0 ± 2.6
 Fruit fiber (g/day)4.5 ± 1.45.8 ± 1.56.9 ± 1.98.1 ± 2.310.9 ± 4.54.1 ± 1.25.2 ± 1.46.4 ± 1.87.8 ± 2.411.2 ± 5.9
 Legume fiber (g/day)0.9 ± 0.91.0 ± 1.01.1 ± 1.11.4 ± 1.32.1 ± 2.20.8 ± 0.80.9 ± 0.81.1 ± 0.91.4 ± 1.41.8 ± 1.7
 Glycemic index77.0 ± 5.777.2 ± 5.477.1 ± 5.176.7 ± 4.976.0 ± 5.082.0 ± 4.881.5 ± 5.180.2 ± 5.178.6 ± 5.076.5 ± 5.2
 Glycemic load144 ± 74130 ± 57136 ± 54148 ± 52172 ± 59165 ± 77135 ± 57141 ± 57151 ± 57177 ± 65
  • Data are means ± SD or %.