| Demographics | Groups | ||
| Overall | Coaches | Clients | |
| n | 590 | 342 | 248 |
| Age, years | 52.6 ± 11.9 | 51.0 ± 11.0 | 54.5 ± 12.8 |
| Female (%) | 84 | 88 | 79 |
| Ethnicity (%) |
|
|
|
| White | 92.0 | 92.5 | 91.9 |
| Hispanic/Latino | 2.4 | 3.0 | 1.6 |
| African-American | 0.5 | 0.3 | 0.8 |
| Asian | 1.0 | 1.2 | 0.8 |
| Other (+prefer not to answer) | 4.0 | 3.2 | 4.8 |
| Starting Weight (lb) | 195.4 ± 49.3 | 193.1 ± 50.8 | 196.9 ± 45.7 |
| Starting BMI (kg/m2) | 31.7 ± 6.9 | 31.5 ± 7.5 | 31.7 ± 5.8 |
| Time in weight loss (months) | 6.2 ± 5.4 | 6.0 ± 5.6 | 6.5 ± 4.9 |
| Weight loss (lb) | 48.8 ± 32.7 | 52.1 ± 37.2 | 43.7 ± 22.6 |
| Weight loss (%) | 23.7 ± 8.6 | 25.2 ± 9.0 | 21.5 ± 7.5 |
| Weight—after weight loss (lb) | 146.5 ± 28.5 | 141.1 ± 22.5 | 153.2 ± 33.8 |
| BMI—after weight loss (kg/m2) | 23.8 ± 3.6 | 23.0 ± 2.9 | 24.7 ± 4.1 |
| Time in maintenance (months) | 24.5 ± 15.8 | 26.5 ± 16.6 | 21.3 ± 13.9 |
| Regain (lb) | 3.8 ± 6.8 | 4.0 ± 6.5 | 3.3 ± 6.9 |
| Regain (%) | 7.5 ± 12.6 | 7.2 ± 10.5 | 7.7 ± 14.7 |