Table 2.
Effect of LEAN intervention versus waitlist groups on body weight changes at 6 months (N = 205) and within group changes from 6 months to 12 months (N = 141).
| Time Period | Intervention a N = 102 |
Waitlist Group a N = 103 |
Effect Size, Least Square Mean (95% CI) a | p-Value a |
|---|---|---|---|---|
| Baseline to 6-Month Period | ||||
| Common baseline weight (kg) | 85.6 (83.6, 87.6) | |||
| Weight change (kg) | −2.1 (−3.0, −1.1) | −0.73 (−1.5, 0.05) | −1.3 (−2.5, −0.13) | 0.03 |
| p value b | <0.001 | 0.07 | ||
|
6-Month to 12-Month Follow-up Period (Intervention Only) |
Intervention
N = 58 |
Waitlist Group
N = 83 |
||
| Weight change (kg) | −0.21 (−1.5, 1.1) | -- | -- | |
| p value b | 0.75 | -- | -- | |
| 6-Month to 12-Month Delayed Intervention Period (Waitlist Group Only) |
Intervention
N = 58 |
Waitlist Group
N = 83 |
||
| Weight change (kg) | -- | −2.9 (−4.3, −1.5) | -- | |
| p value b | -- | <0.001 | -- | |
a Mixed effect model; b Within group differences.