. Author manuscript; available in PMC: 2019 Dec 1.

Published in final edited form as: J Dev Behav Pediatr. 2018 Dec;39(9):709–714. doi: 10.1097/DBP.0000000000000615

Table 6.

Regressions models for disruptive behavior scores

	Dependent variable:
	Disruptive Behavior
	(1)	(2)	(3)	(4)	(5)
Constant	−0.449^**	−0.479^***	−0.473^***	−0.499^***	−0.495^***
	(0.142)	(0.142)	(0.142)	(0.142)	(0.142)
Child Age (months)	0.014^**	0.014^**	0.015^**	0.014^**	0.014^**
	(0.005)	(0.005)	(0.005)	(0.005)	(0.005)
Poor	0.209^***	0.210^***	0.262^***	0.258^***	0.239^**
	(0.061)	(0.061)	(0.064)	(0.063)	(0.089)
Female	0.336^***	0.427^***	0.337^***	0.423^***	0.405^***
	(0.053)	(0.058)	(0.053)	(0.058)	(0.069)
Language IRT Score	−0.127^**	−0.013	−0.070	0.032	0.010
	(0.042)	(0.052)	(0.046)	(0.054)	(0.058)
Language IRT Score²	−0.217^***	−0.195^***	−0.227^***	−0.205^***	−0.202^***
	(0.030)	(0.030)	(0.030)	(0.030)	(0.030)
Female ^* Language IRT Score		−0.255^***		−0.243^***	−0.105
		(0.068)		(0.068)	(0.117)
Poor ^* Language IRT Score			−0.225^**	−0.204^*	−0.201^**
			(0.081)	(0.080)	(0.078)
Poor ^* Female					0.046
					(0.127)
Poor ^* Female ^* Language IRT Score					−0.187
					(0.161)
Observations	1,259	1,259	1,259	1,259	1,259
R²	0.111	0.121	0.116	0.125	0.126
Adjusted R²	0.107	0.117	0.112	0.120	0.120
Residual Std. Error	0.933 (df = 1253)	0.928 (df = 1252)	0.931 (df = 1252)	0.926 (df = 1251)	0.927 (df = 1249)
F Statistic	31.26^*** (df = 5; 1253)	28.66^*** (df = 6; 1252)	27.49^*** (df = 6; 1252)	25.59^*** (df = 7; 1251)	20.04^*** (df = 9; 1249)

p < .05;

^**

p <.01;

^***

p <.001