Table 1.

Means and Standard Deviations of Study Variables at T2, T3, and T4

Variable	Time 2						Time 3						Time 4
	Total		Male		Female		Total		Male		Female		Total		Male		Female
	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD	M	SD
O sens	3.30a	0.36	3.25	0.37	3.37	0.32	3.09	0.42	3.06	0.43	3.13	0.40	3.58	0.31	3.56	0.33	3.61	0.28
O warm	3.50	0.47	3.47	0.47	3.55	0.46	2.96	0.33	2.96	0.31	2.95	0.35	3.24	0.40	3.20	0.38	3.30	0.42
M EC	4.38b	0.58	4.29	0.58	4.48	0.58	4.33	0.54	4.29	0.55	4.38	0.52	4.53	0.56	4.47	0.57	4.60	0.54
C EC	4.70	0.72	4.71	0.79	4.70	0.64	4.59	0.64	4.52	0.64	4.67	0.63	4.63	0.67	4.60	0.61	4.67	0.74
A EC	4.47	0.55	4.42	0.57	4.53	0.52	4.42e	0.50	4.36	0.49	4.49	0.51	4.56	0.53	4.51	0.52	4.63	0.53
O gift	3.14c	1.54	2.92	1.54	3.42	1.50	2.85	1.04	2.73	1.11	2.99	0.93	3.48	0.63	3.43	0.68	3.54	0.57
M impuls	1.80	0.40	1.82	0.40	1.78	0.40	1.82	0.40	1.85	0.41	1.77	0.39	1.74	0.38	1.75	0.40	1.72	0.36
C impuls	1.67	0.43	1.73	0.46	1.60	0.38	1.63	0.42	1.61	0.44	1.64	0.39	1.57	0.41	1.58	0.40	1.55	0.44
M comply	2.30	0.27	2.29	0.27	2.31	0.26	2.41	0.31	2.40	0.30	2.43	0.32	2.48	0.32	2.45	0.33	2.52	0.29
C comply	2.43	0.34	2.42	0.36	2.45	0.31	2.49	0.36	2.48	0.39	2.50	0.33	2.54	0.37	2.52	0.34	2.57	0.39
A comply	2.34	0.26	2.33	0.27	2.35	0.24	2.44	0.29	2.43	0.28	2.45	0.29	2.50	0.28	2.48	0.28	2.53	0.30
O comply	0.39d	0.27	0.35	0.27	0.43	0.27	0.62f	0.29	0.57	0.30	0.68	0.28	0.73	0.26	0.72	0.27	0.75	0.25

Note. O = observed; sens = sensitivity; warm = warmth; M = mother-reported; EC = effortful control; C = caregiver-reported; A = adult-reported composite; gift = gift-wrap task; impuls = activity/impulsivity; comply = compliance.

^aSex difference, t(213) = −2.48, p < .05.

^bSex difference, t(221) = −2.39, p < .05.

^cSex difference, t(212) = −2.40, p < .05.

^dSex difference, t(214) = −1.96, p = .05.

^eSex difference, t(207) = −1.93, p < .10.

^fSex difference, t(189) = −2.79, p < .01.