| Wave 1 | Waves 2 and 3 | ||||||
---|---|---|---|---|---|---|---|---|
 | N | Precourse | Postcourse | Effect | N | Precourse | Postcourse | Effect |
(aMean, SD) | (aMean, SD) | size | (aMean, SD) | (aMean, SD) | size | |||
Mental well-being | 1071 | 43.5 | 50.6 | 0.71 | 3160 | 43.5 | 51.6 | 0.79 |
 |  | (10.4) | (9.8) |  |  | (10.8) | (9.5) |  |
Parenting laxness | 1040 | 22.0 | 17.4 | - 0.71 | 3125 | 21.3 | 16.5 | - 0.72 |
 |  | (6.6) | (6.3) |  |  | (7.2) | (6.5) |  |
Parenting over-reactivity | 1032 | 22.5 | 17.4 | - 0.83 | 3140 | 22.5 | 16.9 | - 0.85 |
 |  | (6.4) | (6.2) |  |  | (6.9) | (6.4) |  |
Parenting total score | 1030 | 47.4 | 37.1 | - 0.91 | 3093 | 46.6 | 35.7 | - 0.91 |
 |  | (11.1) | (11.6) |  |  | (12.1) | (11.9) |  |