Table 1.
Differences in Sociodemographic and Physiological Variables by BMI Category
| Mean ± SD | Normal weight n = 29 | Overweight n = 26 | Obese n = 23 | pa |
|---|---|---|---|---|
| Age (years) | 45 ± 10 | 46 ± 9 | 46 ± 9 | 0.6 |
| Triglycerides (mg/dL)b | 95 ± 68 | 116 ± 65 | 154 ± 90 | 0.006 |
| Total cholesterol (mg/dL) | 193 ± 28 | 181 ± 29 | 195 ± 34 | 0.9 |
| HDL-C (mg/dL)b | 67 ± 13 | 59 ± 13 | 45 ± 9 | <0.0001 |
| LDL-C (mg/dL) | 107 ± 27 | 101 ± 26 | 120 ± 29 | 0.1 |
| VLDL-C (mg/dL) | 21 ± 14 | 25 ± 13 | 29 ± 10 | 0.03 |
| Glucose (mg/dL)b | 84 ± 10 | 86 ± 11 | 98 ± 25 | 0.003 |
| Systolic BP (mm Hg) | 122 ± 16 | 126 ± 171 | 122 ± 17 | 0.8 |
| Diastolic BP (mm Hg) | 74 ± 8 | 78 ± 13 | 80 ± 9 | 0.05 |
| Heart rate (beats/min) | 71 ± 11 | 76 ± 12 | 77 ± 11 | 0.1 |
| Perceived stress | 16.9 ± 6.1 | 16.7 ± 6.3 | 20.0 ± 6.1 | 0.07 |
| Socioeconomic status | 49 ± 11.1 | 51 ± 10.3 | 50 ± 11.3 | 0.7 |
| Diurnal cortisol variation (nmol/L)c | 2.5 ± .74 | 2.4 ± .66 | 2.2 ± .88 | 0.2 |
a
p for linear trend.
b
p < 0.05 for between-subjects F statistic (one-way ANOVA) with Bonferroni adjustment for multiple comparisons.
c
Cortisol values are log transformed.