Table 3.

Parameter estimates for three-class GGMM model with covariates

	Increasing class		Decreasing class		Low stable class
Parameter	Estimate	SE	Estimate	SE	Estimate	SE
Intercept
Sex	0.829	0.264	0.709	0.382	−0.071	0.044
Prosocial behavior (G5 fall)	0.208	0.143	0.077	0.124	0.117***	0.031
Friendship involvement (G5 fall)	0.010	0.214	−0.264	0.337	0.004	0.041
Peer exclusion/Vic (G5 fall)	0.371**	0.138	−0.116	0.133	0.163***	0.037
Slope
Sex	−0.368***	0.058	−0.015	0.088	0.009	0.010
Prosocial behavior (G6 fall)	0.043*	0.022	0.094	0.050	0.002	0.005
Friendship involvement (G6 fall)	−0.621***	0.134	−0.075	0.105	−0.012	0.010
Friendship stability (G5)	−0.247***	0.053	−0.079	0.095	0.006	0.010
Peer exclusion/Vic (G6 fall)	−0.003	0.014	0.292***	0.066	0.009	0.007

^*p=0.05

^**p<0.01

^***p<0.001