Regression analysis of engagement factors predicting weight change* at 1 year
| β | SE | p Value | |
| Engagement factors: Weeks 1–16 | |||
| Lessons and Tracking Consistency | −0.29 | 1.85 | 0.97 |
| Logins and Group Participation | −3.02 | 0.97 | 0.002 |
| Engagement factors: Weeks 17–52 | |||
| Lessons and Tracking Consistency | −0.92 | 1.35 | 0.50 |
| Log ins and Group Participation | −2.53 | 1.15 | 0.03 |
| Engagement factors: Weeks 1–52 | |||
| Lessons and Tracking Consistency | −0.75 | 1.51 | 0.62 |
| Log ins and Group Participation | −2.95 | 1.15 | 0.01 |
*Weight change (in lb) calculated using linear mixed models, adjusting for participants’ baseline age and gender.