Table 4.

Intercepts, linear and quadratic time parameters for each class of the selected growth mixture models.

	Parameter	$b$	SE	Wald	$p$
Depression class
D1	Intercept	10.9	0.65	16.79	0
	Linear time	191.97	17.83	10.77	0
	Quadratic time	5.64	18.48	0.3	0.76
D2	Intercept	12.84	0.49	26.43	0
	Linear time	− 2.72	11.23	− 0.24	0.81
	Quadratic time	− 41.93	9.73	− 4.31	0
D3	Intercept	5.84	0.12	48.33	0
	Linear time	− 29.61	2.52	− 11.75	0
	Quadratic time	2.6	2.41	1.08	0.28
D4	Intercept	11.29	0.32	35.35	0
	Linear time	− 166.98	8.77	− 19.05	0
	Quadratic time	15.07	7.56	1.99	0.05
Anxiety class
A1	Intercept	9.19	0.31	29.29	0
	Linear time	49.35	14.44	3.42	0
	Quadratic time	− 91.11	11.16	− 8.17	0
A2	Intercept	5.36	0.19	27.49	0
	Linear time	− 5.88	5.2	− 1.13	0.26
	Quadratic time	− 3.55	3.73	− 0.95	0.34
A3	Intercept	11.67	0.26	44.72	0
	Linear time	− 47.19	9.71	− 4.86	0
	Quadratic time	− 16.04	6.35	− 2.52	0.01

Time is coded in weeks.