Table 1.
Demographic differences between most successful and least successful participants (interviewed only; n=24)
| Characteristics | Least successful (N=12) | Most successful (N=12) | P value, Wilcoxon test (two sided) |
| Age | 0.89 | ||
| Mean | 44.1 | 43.6 | |
| SD | 10.09 | 10.87 | |
| Baseline–weight | 0.62 | ||
| Mean | 238.5 | 250.2 | |
| SD | 41.68 | 48.34 | |
| Baseline–BMI | 0.79 | ||
| Mean | 38.0 | 38.6 | |
| SD | 4.81 | 4.78 | |
| Weight–change | <0.0001 | ||
| Mean | 15.1 | −35.1 | |
| SD | 4.19 | 18.74 | |
| Gender, n (%) | 0.62 | ||
| Male | 2 (16.7) | 3 (25.0) | |
| Female | 10 (83.3) | 9 (75.0) | |
| Race/ethnicity, n (%) | 0.57 | ||
| Black | 7 (58.3) | 7 (58.3) | |
| White | 4 (33.3) | 5 (41.7) | |
| Hispanic/multirace/other/unknown | 1 (8.3) | 0 (0.0) | |
| Marital status, n (%) | 0.84 | ||
| Single | 4 (33.3) | 3 (25.0) | |
| Married/unmarried partners | 6 (50.0) | 6 (50.0) | |
| Divorced/widowed | 2 (16.7) | 3 (25.0) | |
| Education, n (%) | 0.41 | ||
| Less than college or some college | 7 (58.3) | 5 (41.7) | |
| College graduate | 5 (41.7) | 7 (58.3) | |
| Household income, n (%) | 0.48 | ||
| US$49 999 or less | 3 (25.0) | 5 (41.7) | |
| US$50 000–US$74 999 | 6 (50.0) | 3 (25.0) | |
| US$75 000–US$99 999 | 0 (0.0) | 1 (8.3) | |
| US$100 000 or more | 3 (25.0) | 3 (25.0) | |
| Household size, n (%) | 0.67 | ||
| 1 person | 3 (25.0) | 2 (16.7) | |
| 2 people | 2 (16.7) | 1 (8.3) | |
| 3–4 people | 5 (41.7) | 8 (66.7) | |
| 5+ people | 2 (16.7) | 1 (8.3) |
BMI, body mass index.