Table 4.
Joint trajectory group means (SD) for language, prosociality, gender and parental mental health
| Persistent (P) n = 44 (26%) |
Adolescent onset (AO) n = 27 (16%) |
Resolving emotional (RE) n = 41 (24%) |
Increasing peer problems (IPP) n = 37 (22%) |
Low level (LL) n = 19 (11%) |
ANOVA/Chi square | |
|---|---|---|---|---|---|---|
| Receptive language at age 11 | 83.82 (15.45) | 84.30 (15.08) | 84.20 (13.36) | 92.23 (15.65) | 91.00(18.61) | F(4,161) = 2.34 |
| Expressive language at age 11 | 73.86 (11.53) | 76.41 (14.45) | 72.15 (9.20) | 74.43 (13.18) | 71.48(10.09) | F(4,161) = 0.74 |
| Pragmatic language at age 11 | 134.71(13.39) | 144.48 (8.86) | 143.31 (11.28) | 137.89 (13.05) | 149.06(8.38) | F(4,136) = 6.11*** |
| Prosociality at age 11 | 4.86 (2.49) | 6.96 (2.11) | 7.54 (2.60) | 5.13 (2.20) | 7.53 (2.37) | F(4, 145) = 9.45*** |
| % male | 82% | 67% | 68% | 73% | 95% | χ2(4, N = 168) = 7.19, p = .126 |
| Parental mental health | 2.17 (2.71) | 0.64 (1.01) | 1.00 (1.52) | 1.10 (1.61) | 0.64 (1.28) | F(4,93) = 2.54* |
| % of both parents affected | 28% | 7% | 10% | 9% | 0% | χ2(4, N = 98) = 8.21, p = .084 |
*p < .05, ***p < .001