Table 2 Means, standard deviations, and group differences from pre to post, pre to 1Â year follow-up, and pre to 4Â year follow-up
| Â | Incredible Years | Control Group | Â | Â | Â | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Pre | Post | 1Â year FU | 4Â year FU | Pre | Post | 1Â year FU | 4Â year FU | Pre-post | Pre-1Â year | Pre-4Â year |
| Â | M | M | M | M | M | M | M | M | t(383) | t(386) | t(385) |
| Â | (SD) | (SD) | (SD) | (SD) | (SD) | (SD) | (SD) | (SD) | (g) | (g) | (g) |
PPI Positive Parenting | 4.56 | 5.20 | 5.06 | 4.93 | 4.50 | 4.52 | 4.69 | 4.50 | 7.04*** | 3.72*** | 3.80*** |
(0.49) | (0.54) | (0.47) | (0.44) | (0.56) | (0.62) | (0.63) | (0.64) | (1.13) | (0.62) | (0.63) | |
PPI Harsh Discipline | 1.96 | 1.70 | 1.74 | 1.74 | 1.93 | 1.90 | 1.87 | 1.84 | 4.12*** | −2.65** | −2.63** |
(0.48) | (0.44) | (0.43) | (0.41) | (0.38) | (0.44) | (0.43) | (0.41) | (0.57) | (0.38) | (0.37) | |
PSOC Efficacy | 31.38 | 33.94 | 34.24 | 34.35 | 31.93 | 32.63 | 33.56 | 33.27 | 3.13** | 1.90 | 2.67** |
(3.64) | (3.62) | (3.56) | (3.86) | (3.69) | (3.80) | (3.93) | (4.30) | (0.28) | (0.18) | (0.25) | |
PSOC Satisfaction | 39.43 | 42.73 | 43.42 | 43.92 | 40.24 | 41.30 | 42.00 | 42.76 | 2.66** | 2.36* | 1.54 |
(6.56) | (6.44) | (5.90) | (5.44) | (5.88) | (5.77) | (6.25) | (5.86) | (0.59) | (0.54) | (0.35) | |
ECBI Intensity | 104.25 | 96.10 | 96.01 | 92.81 | 101.91 | 102.44 | 99.18 | 89.06 | −2.75** | −1.74 | 0.303 |
(18.59) | (18.40) | (21.59) | (21.27) | (14.50) | (19.39) | (18.53) | (17.69) | (0.48) | (0.32) | (−0.05) | |