Table 1.
Characteristics of study participants within different BMI categories. Data shown as mean ± standard deviation for continuous variables, and n (percent) for dichotomous variables
| BMI 18.5-<25 | BMI 25-<30 | BMI ≥30 | p-value* | |
|---|---|---|---|---|
| N=2458 | N=2596 | N=1747 | ||
| Age, years | 46 ± 14 | 50 ± 13 | 51 ± 13 | <0.001 |
| Female (%) | 1727 (70.3) | 1093 (42.1) | 866 (49.6) | <0.001 |
| Systolic Blood Pressure, mm Hg | 115 ± 16 | 122 ± 16 | 127 ± 16 | <0.001 |
| Diastolic Blood Pressure, mm Hg | 71 ± 9 | 76 ± 9 | 79 ± 9 | <0.001 |
| Fasting Blood Glucose, mg/dL | 91 ± 12 | 98 ± 17 | 107 ± 29 | <0.001 |
| Total cholesterol, mg/dL | 187 ± 34 | 199 ± 37 | 198 ± 35 | <0.001 |
| LDL cholesterol, mg/dL | 107 ± 31 | 122 ± 32 | 120 ± 31 | <0.001 |
| HDL cholesterol, mg/dL | 61 ± 17 | 52 ± 15 | 48 ± 14 | <0.001 |
| Triglycerides, median (25/75 percentiles), mg/dL | 78 [58, 109] | 109 [76, 161] | 131 [93, 184] | <0.001 |
| BMI, kg/m2 | 22.5 ± 1.6 | 27.3 ± 1.4 | 34.6 ± 4.5 | <0.001 |
| Waist Circumference, cm | 82.6 ± 7.6 | 96.6 ± 7.2 | 113.7 ± 12.0 | <0.001 |
| Current smoker (%) | 407 (16.6) | 386 (14.9) | 247 (14.1) | 0.14 |
Abbreviations: BMI, body mass index; SD, standard deviation, LDL, low-density lipoprotein; HDL, high-density lipoprotein; WC, waist circumference
SI conversion factors: To convert glucose to mmol/L, multiply mg/dL values by 0.0555; total, LDL and HDL cholesterol to mmol/L, multiply mg/dL values by 0.0259; triglycerides to mmol/L, multiply mg/dL values by 0.0113
Global GEE age- and sex-adjusted p-value, except for age which is sex-adjusted and sex, which is age-adjusted