Table 1 Characteristics of the study population

N genotyped for deletion

205

1982

N genotyped for SNPs

158

2263

Total studied for either SNPs or deletion*

207

2396

Male

55.1%

46.7%

Age at onset of diabetes (years)

51.7 ± 11.6

-

Age at examination (years)

62.2 ± 9.9

51.8 ± 13.4**

BMI (kg/m²) at examination

30.0 ± 5.1

27.5 ± 5.8**

BMI (kg/m²) at age 25

24.5 ± 4.9

22.9 ± 3.6**

Fasting glucose (mg/dL)

173.9 ± 70.1

95.4 ± 16.1**

Forsyth County, North Carolina,

22.2

22.5

Minneapolis, Minnesota

24.7

28.0

Framingham, Massachusetts

19.8

22.0

Salt Lake City, Utah

33.3

27.5