Descriptive statistics of the IRAS Family Study cohort
| Hispanic (San Antonio) | Hispanic (San Luis Valley) | African American (Los Angeles) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Men | Women | Men | Women | Men | Women | ||||
| n | 193 | 301 | 216 | 289 | 197 | 261 | |||
| Age (years) | 38.4 ± 14.6 | 41.5 ± 13.7 | 40.5 ± 13.6 | 41.7 ± 12.9 | 42.7 ± 14.4 | 40.2 ± 13.1 | |||
| SI (10−4 · min−1 · μU−1 · ml−1) | 1.89 ± 1.87 | 2.02 ± 1.83 | 2.31 ± 1.84 | 2.33 ± 1.89 | 1.68 ± 1.20 | 1.59 ± 1.15 | |||
| AIR (pmol · ml−1 · min−1) | 821 ± 728 | 661 ± 581 | 793 ± 635 | 835 ± 689 | 951 ± 855 | 1,005 ± 778 | |||
| DI | 1,187 ± 1,106 | 1,055 ± 848 | 1,527 ± 1,336 | 1,642 ± 1,449 | 1,315 ± 1,199 | 1,440 ± 1,293 | |||
| BMI (kg/m2) | 29.2 ± 5.2 | 29.8 ± 6.5 | 26.9 ± 4.8 | 27.3 ± 5.4 | 28.0 ± 4.9 | 29.7 ± 7.1 | |||
| SAT (cm2) | 274 ± 128 | 391 ± 154 | 252 ± 126 | 359 ± 140 | 251 ± 137 | 406 ± 196 | |||
| VAT (cm2) | 124 ± 64 | 105 ± 55 | 117 ± 56 | 90 ± 50 | 96 ± 60 | 77 ± 47 | |||
| VAT/SAT ratio | 0.48 ± 0.21 | 0.28 ± 0.12 | 0.51 ± 0.22 | 0.25 ± 0.12 | 0.42 ± 0.22 | 0.20 ± 0.10 | |||
| Overweight (%) | 39 | 30 | 37 | 34 | 45 | 26 | |||
| Obese (%) | 39 | 45 | 25 | 26 | 29 | 43 | |||
| Impaired fasting glucose (%) | 7.3 | 8.0 | 6.9 | 6.9 | 10.7 | 8.4 | |||
Data are means ± SD or %. Population estimates for overweight are (reading left to right) 46, 32, 46, 32, 37, and 30. Population estimates for obesity are (reading left to right) 24, 36, 24, 36, 21, and 39. Population estimates for impaired fasting glucose are (reading left to right) 11.6, 6.3, 11.6, 6.3, 7.7, and 6.4. See text for citations for population estimates.