Table 3.
Multiple regression models identifying predictors of weight loss at 6 months.
| Models | Coefficients | Model summary | ||||||
| Beta (SE) | t (df) | P | R2 | Adjusted R2 | P | |||
| Self-weigh-in | .103 | .102 | <.001 | |||||
| Weigh-ins/week (n) | –1.25 (0.19) | –6.54 (2110) | <.001 | |||||
| Weeks with ≥3 weigh-ins (%) | 0.018 (0.01) | 1.59 (2110) | .11 | |||||
| Activity | .152 | .150 | <.001 | |||||
| Tracker days/week | –0.54 (0.10) | –5.419 (2107) | <.001 | |||||
| Steps/day | –0.0002 (0.0001) | –1.863 (2107) | .06 | |||||
| Highly active minutes/day | –0.06 (0.01) | –4.288 (2107) | <.001 | |||||
| Fairly active minutes/day | 0.003 (0.004) | 0.693 (2107) | .49 | |||||
| Lightly active minutes/day | –0.002 (0.003) | –0.818 (2107) | .41 | |||||
| Nutrition/food logging | .123 | .121 | <.001 | |||||
| Food logs/week (n) | 0.01 (0.04) | 0.245 (2108) | .81 | |||||
| Food log days/week (n) | –1.92 (0.20) | –9.362 (2108) | <.001 | |||||
| Weeks with ≥5 logs (%) | 0.08 (0.01) | 5.935 (2108) | <.001 | |||||
| Weeks with ≥15 logs (%) | –0.01 (0.01) | –0.654 (2108) | .51 | |||||
| Overall | .197 | .194 | <.001 | |||||
| Weigh-ins/week (n) | –0.417 (0.07) | –5.619 (2106) | <.001 | |||||
| Tracker days/week (n) | –0.112 (0.10) | –1.081 (2106) | .28 | |||||
| Steps/day (n) | –0.0001 (0.00006) | –2.269 (2106) | .02 | |||||
| Highly active mins/day (n) | –0.05 (0.01) | –4.420 (2106) | <.001 | |||||
| Food log days/week (n) | –1.30 (0.19) | –6.777 (2106) | <.001 | |||||
| Weeks with ≥5 logs (%) | 0.06 (0.01) | 5.097 (2106) | <.001 | |||||