Table 1.

Descriptive statistics for the main study variables

	N	M	SD	Minimum	Maximum
Behavior problems age 2	363	14.24	6.50	.00	33.00
Behavior problems age 3	320	14.70	7.93	.00	36.00
Behavior problems age 4	305	15.27	8.36	.00	35.00
Deceitful-callous behavior age 3	324	.002	.17	−.29	.42
Observed harshness age 3	287	−.35	4.53	−4.25	25.70
Observed parental warmth age 3	274	4.46	1.51	1.00	9.00
Parent-reported harshness age 3	324	2.77	.83	1.00	5.10
Parent-reported warmth age 3	324	8.51	3.12	5.00	21.00

Note: Child age 2 conduct problems were included in models as a covariate