Table 1.
Summary of Demographic Characteristics of Subjects.
| Self-Help (SELF) | Moderate Physical Activity Group (MOD-PA) | High Physical Activity Group (HIGH-PA) | Total | |
|---|---|---|---|---|
| Number of Subjects | ||||
| Randomly Assigned | 89 | 82 | 98 | 269 |
| Intention-to-Treat Analysis | 84 | 76 | 88 | 248 |
| Completers Analysis | 69 | 55 | 72 | 196 |
| Gender (Females) | ||||
| Randomly Assigned | 82 (92.1%) | 74 (90.2%) | 90 (91.8%) | 246 (91.4%) |
| Intention-to-Treat Analysis | 77 (91.7%) | 69 (90.8%) | 81 (92.0%) | 227 (91.5%) |
| Completers Analysis | 62 (89.9%) | 50 (90.9%) | 66 (91.7%) | 178 (90.8%) |
| Age (years) | ||||
| Randomly Assigned | 44.7±7.9 | 43.5±8.8 | 45.0±8.4 | 44.4±8.4 |
| Intention-to-Treat Analysis | 44.8±7.8 | 44.4±8.2 | 45.6±7.9 | 44.9±7.9 |
| Completers Analysis | 45.4±7.3 | 44.6±8.3 | 46.0±8.1 | 45.4±7.9 |
| Weight (kg) | ||||
| Randomly Assigned | 73.9±7.9 | 74.1±8.3 | 74.5±8.3 | 74.2±8.2 |
| Intention-to-Treat Analysis | 73.7±8.0 | 74.2±8.4 | 74.3±8.2 | 74.1±8.2 |
| Completing Treatment | 73.8±8.3 | 74.6±8.2 | 73.6±7.6 | 74.0±8.0 |
| Body Mass Index (kg/m2) | ||||
| Randomly Assigned | 27.1±1.7 | 27.1±1.7 | 27.0±1.6 | 27.1±1.7 |
| Intention-to-Treat Analysis | 27.1±1.7 | 27.2±1.8 | 27.0±1.6 | 27.1±1.7 |
| Completing Treatment | 27.0±1.7 | 27.2±1.8 | 26.9±1.6 | 27.0±1.7 |
| Ethnicity* | ||||
| American Indian or Alaska Native | N=0, 0% (N=0, 0%) | N=0, 0% (N=0, 0%) | N=1, 1.1% (N=0, 0%) | N=1, 0.4% (N=0, 0%) |
| Asian | N=1, 1.2% (N=1, 1.5%) | N=2, 2.6% (N=2, 3.6%) | N=0, 0% (N=0, 0%) | N=3, 1.2% (N=3, 1.5%) |
| Black or African-American | N=13, 15.5% (N=11,15.9%) | N=11, 14.5% (N=7, 12.7%) | N=13, 14.8% (N=13, 18.1%) | N=37, 14.9% (N=31, 15.8%) |
| Hispanic, Latino, Portuguese, Cape Verdean | N=2, 2.4% (N=2, 2.9%) | N=1, 1.3% (N=1, 1.8%) | N=1, 1.1% (N=1, 1.4%) | N=4, 1.6% (N=4, 2.0%) |
| Native Hawaiian or Other Pacific Islander | N=0, 0% (N=0, 0%) | N=0, 0% (N=0, 0%) | N=0, 0% (N=0, 0%) | N=0, 0% (N=0, 0%) |
| White | N=66, 78.6% (N=55, 79.7%) | N=60, 78.9% (N=43, 78.2%) | N=72, 81.8% (N=57, 79.2%) | N=198, 79.8% (N=155, 79.1%) |
| Other | N=2, 2.4% (N=0, 0%) | N=1, 1.3 (N=1, 1.8%) | N=1, 1.1% (N=1, 1.4%) | N=4, 1.6% (N=2, 1.0%) |
| Not Specific – Missing | N=0, 0% (N=0, 0%) | N=1, 1.3% (N=1, 1.8%) | N=0, 0% (N=0, 0%) | N=1, 0.4% (N=1, 0%) |
*
indicates that numbers not in parentheses are based on the intent-to-treat analysis (N=248) and numbers in parentheses are based on subjects completing 18 months (N = 196).