TABLE 2.
Controls (a) N = 2,899–3,625 | CU+ (b) N = 216–284 | ANX/CU+ (c) N = 36–48 |
Significant Effects |
|||||
---|---|---|---|---|---|---|---|---|
M (SD) | M (SD) | M (SD) | F | df | p | η2p | Bonferroni-Corrected Contrast | |
Parent-Rated Adjustment, Age 4 | ||||||||
Multivariate | 10.54 | 6, 6288 | < .001 | |||||
AB | −0.08 (0.95) | 0.46 (1.14) | 0.14 (1.16) | 20.38 | 2, 3145 | < .001 | .013 | a < b |
Hyperactivity | −0.07 (0.98) | 0.37 (1.07) | 0.01 (1.12) | 15.72 | 2, 3145 | < .001 | .010 | a < b |
Peer Problems | −0.05 (0.98) | 0.33 (1.07) | 0.22 (1.17) | 13.29 | 2, 3145 | < .001 | .008 | a < b |
Teacher-Rated Adjustment, Age 7 | ||||||||
Multivariate | 166.02 | 6, 7900 | < .001 | |||||
Conduct Problems | −0.12 (0.80) | 1.19 (1.47) | 2.00 (2.03) | 342.06 | 2, 3951 | < .001 | .148 | a < b < c |
Hyperactivity | −0.10 (0.91) | 1.20 (1.06) | 1.28 (1.19) | 228.89 | 2, 3951 | < .001 | .104 | a < b, c |
Peer Problems | −0.11 (0.89) | 1.04 (1.23) | 2.15 (1.35) | 303.95 | 2, 3951 | < .001 | .133 | a < b < c |
Parenting Characteristics, Age 4 | ||||||||
Multivariate | 4.55 | 4, 5896 | < .001 | |||||
Negative Feelings | −0.01 (1.00) | 0.16 (0.99) | −0.12 (1.14) | 1.95 | 2, 2948 | ns | .001 | – |
Harsh Discipline | −0.05 (0.98) | 0.34 (0.97) | −0.07 (1.46) | 8.89 | 2, 2948 | < .001 | .006 | a < b |
Parenting Characteristics, Age 7 | ||||||||
Multivariate | 6.24 | 4, 7014 | < .001 | |||||
Negative Feelings | −0.03 (0.99) | 0.26 (0.99) | 0.24 (1.23) | 9.02 | 2, 3507 | < .001 | .005 | a < b |
Harsh Parenting | −0.04 (0.99) | 0.33 (0.91) | 0.28 (1.23) | 10.27 | 2, 3507 | < .001 | .006 | a < b |
Note: Total sample sizes vary in each group due to missing data on some measures; differences between controls and ANX/CU+ group in parenting characteristics at age 4 and 7 were not significant. CU+ = CU traits without high anxiety; ANX/CU = CU traits with high anxiety.