Table 3 Summary of univariate model fitting analyses of external validity symptom dimensions

From: External validation of a bifactor model of oppositional defiant disorder

Factor	Model	χ²	df	p	AIC	BIC	RMSEA	TLI	RMSR	s	h²	c²/d²	e²
CD
	ACE	3.3	6	.768	10,057	10,077	.000 (.000−.042)	1.001	.068		.78	.00	.22
	ADE	1.1	6	.981	10,046	10,065	.000 (.000−.000)	1.001	.049		.26	.53	.21
	AE	3.9	7	.794	10,055	10,070	.000 (.000−.038)	1.001	.068		.78	—	.22
	CE	45.8	7	<.001	10,209	10,224	.112 (.083−.144)*	.991	.122		—	.49	.51
w/sib int.	AE + s	0.8	6	.992	10,044	10,063	.000 (.000−.000)	1.001	.033	−.09^T	.88	—	.17
	CE + s	39.3	7	<.001	10,211	10,231	.112 (.080−.147)*	.991	.122	.26	—	.01	.81
	ADE + s	2.2	5	.818	3607	3631	.000 (.000−.040)	1.009	.031	.05^NS	.46	.00	.51
	ACE + s	1.1	5	.955	10,046	10,070	.000 (.000−.000)	1.001	.032	−.13^NS	.80	.13 ^NS	.15
Inattention
	ACE	28.4	6	.0001	12,322	12,341	.092 (.060−.127)*	.896	.114		.51	.00 ^NS	.49
	ADE	16.9	6	.0096	12,322	12,341	.064 (.029−.101)	.949	.100		.00	.57	.43
	AE	33.1	7	<.0001	12,320	12,334	.092 (.062−.125)*	.896	.114		.51	—	.49
	CE	68.1	7	<.0001	12,372	12,386	.141 (.112−.172)*	.756	.140		—	.28	.72
w/sib int.	AE + s	15.6	6	.016	12,297	12,316	.060 (.024−.098)	.955	.075	−.15	.76	—	.29
	CE + s	58.4	6	<.001	12,374	12,393	.141 (.109−.175)*	.756	.140	.22	—	.005	.94
	ADE + s	13.0	5	.023	12,299	12,323	.060 (.020−.102)	.955	.075	−.15	.76	.00	.29
	ACE + s	17.1	5	.004	12,299	12,323	.074 (.038−.114)	.932	.072	−.21^NS	.65	.19 ^NS	.24
Hyperactivity−impulsivity
	ACE	16.0	6	.014	11,658	11,677	.062 (.026−.099)	.971	.086		.71	.00	.29
	ADE	3.9	6	.684	11,637	11,656	.000 (.000−.048)	1.006	.060		.00	.73	.27
	AE	18.7	7	.009	11,656	11,670	.000 (.062−.096)	.971	.086		.71	—	.29
	CE	85.3	7	<.001	11,773	11,787	.159 (.130−.191)*	.806	.130		—	.41	.59
w/sib int.	AE + s	2.3	6	.894	11,634	11,653	.000 (.000−.028)	1.011	.034	−.12	.87	—	.19
	CE + s	73.1	6	<.001	11,775	11,794	.159 (.128−.193)*	.806	.130	.21	—	.006	.87
	ADE + s	1.9	5	.865	11,636	11,659	.000 (.000−.035)	1.011	.034	−.12	.87	.00	.19
	ACE + s	2.3	5	.810	11,635	11,659	.000 (.000−.041)	1.009	.033	−.17^NS	.78	.14 ^NS	.17
Depression/dysthymia
	ACE	7.8	6	.254	10,591	10,610	.026 (.000−.071)	.987	.156		.61	.00	.39
	ADE	8.5	6	.206	10,589	10,608	.031 (.000−.074)	.982	.156		.41	.22	.38
	AE	9.1	7	.246	10,589	10,603	.026 (.000−.068)	.987	.156		.61	—	.39
	CE	18.1	7	.011	10,639	10,653	.060 (.027−.095)	.930	.166		—	.39	.61
w/sib int.	AE + s	8.5	6	.205	10,586	10,605	.031 (.000−.074)	.982	.143	−.06^NS	.72	—	.32
	CE + s	Did not converge
	ADE + s	7.1	5	.216	10,588	10,612	.031 (.000−.078)	.982	.143	−.06^NS	.72	.00	.32
	ACE + s	Did not converge
GAD
	ACE	8.3	6	.217	11,883	11,902	.029 (.000−.073)	.993	.123		.70	.00	.30
	ADE	9.2	6	.163	11,883	11,902	.035 (.000−.077)	.990	.123		.64	.07 ^NS	.30
	AE	9.7	7	.208	11,881	11,896	.029 (.000−.070)	.993	.124		.70	—	.30
	CE	32.8	7	<.001	11,950	11,964	.092 (.061−.124)	.932	.133		—	.47	.53
w/sib int.	AE + s	9.1	6	.168	11,881	11,901	.034 (.000−.076)	.991	.115	−.04^NS	.76	—	.27
	CE + s	Did not converge
	ADE + s	7.6	5	.181	11,883	11,907	.034 (.000−.080)	.991	.115	−.04^NS	.76	.00	.27
	ACE + s	Did not converge

The best-fitting model(s) is shown in bold
CD conduct disorder, GAD generalized anxiety disorder, *significant, NS nonsignificant, T statistical trend, A additive genetic influences, D nonadditive genetic influences, C shared environmental influences, E nonshared environmental influences, s sibling interaction/rater contrast

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Table 3 Summary of univariate model fitting analyses of external validity symptom dimensions

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