Table 1.
Participant characteristics, overall and by category of body mass index (categorical measures).
| Characteristic | Class | Overall (n = 578) | Underweight <18.5 kg/m2 (n = 5) | Normal weight 18.5–<25 kg/m2 (n = 225) | Overweight 25–<30 kg/m2 (n = 168) | Obese I 30–<35 kg/m2 (n = 116) | Obese II/III ≥35 kg/m2 (n = 64) | p |
|---|---|---|---|---|---|---|---|---|
| N, percent | ||||||||
| Sex | Female | 473, 82% | 5, 100% | 190, 84% | 126, 75% | 95, 82% | 57, 89% | .06 |
| Male | 105, 18% | 0, 0% | 35, 16% | 42, 25% | 21, 18% | 7, 11% | ||
| Race | White | 435, 75% | 4, 80% | 184, 82% | 129, 77% | 84, 72% | 34, 53% | <.0001 |
| Black | 86, 15% | 1, 20% | 20, 9% | 18, 11% | 21, 18% | 26, 41% | ||
| Asian/other | 57, 10% | 0, 0% | 21, 9% | 21, 13% | 11, 10% | 4, 6% | ||
| Ethnicity | Non-Hispanic | 545, 94% | 5, 100% | 218, 97% | 154, 92% | 108, 93% | 60, 94% | .20 |
| Hispanic | 33, 6% | 0, 0% | 7, 3% | 14, 8% | 8, 7% | 4, 6% | ||
| Education | Less than college | 203, 35% | 1, 20% | 67, 30% | 57, 34% | 51, 44% | 27, 42% | .07 |
| College graduate or above | 375, 65% | 4, 80% | 158, 70% | 111, 66% | 65, 56% | 37, 58% | ||
| Income | Less than $50000 | 189, 33% | 2, 40% | 70, 31% | 50, 30% | 38, 33% | 29, 45% | .49 |
| At least $50000 | 310, 54% | 2, 40% | 125, 56% | 96, 57% | 62, 53% | 25, 39% | ||
| Not reported | 79, 14% | 1, 20% | 30, 13% | 22, 13% | 16, 14% | 10, 16% | ||
| Marital Status | Not married or living without partner | 259, 45% | 1, 20% | 97, 43% | 77, 46% | 49, 42% | 35, 55% | .35 |
| Married or living with partner | 319, 55% | 4, 80% | 128, 57% | 91, 54% | 67, 58% | 29, 45% | ||
N, % are presented, p values based on chi-squared tests or Fisher exact test where applicable.