Table 3.

Model fitting results

Model #	Model	Comparison	Δdf	Δχ2	p-value	ΔAIC
1	ACE (full model)	n/a	(6009)	(10796.21)	n/a	(−1221.799)
2	Constrain variance across genders	2 vs. 1	63	72.005	0.204	−53.986
3	AE model	3 vs. 2	21	42.249	0.004	0.249
4	CE model	4 vs. 2	21	48.016	0.001	6.016
5	Drop factor loadings from C1, C3, and C5	5 vs. 2	12	9.686	0.643	−14.314
6	Drop all C-factor loadings onto depressive symptoms	6 vs. 5	3	9.215	0.027	3.215
7	Drop A correlations between phenotypes	7 vs. 5	9	18.86	0.026	0.86
8	Drop A correlations across ages within phenotypes	8 vs. 5	6	51.378	0	39.378
9	Drop E correlations across ages	9 vs. 5	12	20.69	0.055	−3.31
10	Drop E correlations between phenotypes	10 vs. 5	9	6.540	0.685	−11.460
11	Drop all E correlations	11 vs. 5	15	25.023	0.05	−4.977

Model selection proceeded as described in the “Methods”