Table 1.
Subject Demography and Metabolic Factors
| Men | Women | |||||
|---|---|---|---|---|---|---|
| Black | White | Hispanic | Black | White | Hispanic | |
| Mean±SD | Mean±SD | |||||
| Number | 653 | 469 | 217 | 887 | 489 | 295 |
| Age (years) | 46±10 | 45±9 | 41±9a | 45±10 | 46±10 | 41±9a |
| Body mass index (kg/m2) | 29.5±6.8 | 28.9±5.5 | 29.4±4.6 | 33.6±8.7b | 29.2±7.6 | 31.4±7.9a |
| Waist circumference (cm) | 100.6±16.8 | 102.5±14.2 | 99.2±11.0a | 102.1±17.7b | 92.9±17.1 | 95.5±16.9d |
| Triglyceride mg/dL* | 90 (72)b | 119 (106) | 131 (111)d | 81 (55)b | 102 (78) | 110 (77)d |
| HDL-C | 50±15b | 42±10 | 42±10 | 54±15 | 54±17 | 49±12a |
| Non-HDL-C | 128±43b | 142±39 | 145±42 | 126±43 | 129±39 | 128±38 |
| Glucose | 108±52 | 98±29c | 104±34 | 104±47 | 97±34c | 108±48 |
| Insulin μU/mL* | 12.2 (14.9) | 10.8 (11.9) | 13.1 (11.9) | 15.3 ( 13.5) | 9.8 (10.8)e | 14.8 (14.5) |
| HOMA2-IR* | 1.63 (1.93) | 1.42 (1.51) | 1.72 (1.57)d | 2.01 (1.77) | 1.28 (1.42)e | 1.93 (2.01) |
| Systolic blood pressure | 132±18 | 127±13c | 124±13a | 130±19b | 121±15 | 119±16 |
*
Median (interquartile).
a
Significantly different from white and black; P<0.001.
b
Significantly different from white and Hispanic (P<0.001).
c
Significantly different from black (P<0.001).
d
Significantly different from white [analysis of variance (ANOVA) with post hoc Fisher protected least significant difference (PLSD) (P<0.05)].
e
Significantly different from black and Hispanics (P<0.001).
a,b,c,e
ANOVA with Bonferroni adjustments (P≤0.0167).
SD, standard deviation; HDL-C, high-density lipoprotein cholesterol; HOMA2-IR, updated homeostasis model assessment of insulin resistance.