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. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: J Child Psychol Psychiatry. 2012 Dec 13;54(8):872–880. doi: 10.1111/jcpp.12031

Table 3.

Analysis of Variance: Effects of CHRNA4 genotype and maltreatment on Neuroticism, Openness/Intellect, and Extraversion

	Neuroticism				Openness/Intellect				Extraversion

	F	df	p	η²	F	df	p	η²	F	df	p	η²
Age	3.32	1	.13	.004	0.08	1	.77	<.001	2.5	1	.11	.004
Sex	0.04	1	.85	<.001	0.38	1	.54	.001	3.23	1	.07	.005
Race	1.97	6	.07	.019	2.74	6	.01	.011	0.36	6	.91	.004
Maltreatment	15.12	1	<.001	.025	9.61	1	<.001	.021	0.85	1	.36	.001
CHRNA4	0.20	2	.82	.001	0.34	2	.71	.001	0.77	2	.46	.003
Maltreatment × CHRNA4	4.45	2	.01	.015	4.23	2	.02	.014	1.59	2	.21	.005