Table 1.

Descriptive Statistics

	Early Childhood Composites^a		First Grade		Third Grade		Fifth Grade
	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Maternal Report of Parent Involvement			4.63	0.50	4.62	0.41	4.56	0.49
Teacher Report of Parent Involvement			3.73	0.90	4.22	0.64	3.55	0.92
Income-to-needs ratio	3.48	2.86	3.76	3.00	4.22	3.67	4.38	3.94
Children in the household			2.38	0.95	2.41	0.98	2.48	1.04
Mother married			0.69		0.73		0.73
Maternal employment	23.04	19.13	26.50	19.09	26.84	19.11	27.67	19.03
Teacher experience			12.21	10.77	11.87	10.55	14.50	9.46
Classroom quality			5.32	1.29	5.05	0.78	5.10	0.71
Teacher-reported SSRS			103.14	13.67	102.30	14.51	103.36	14.31
Teacher-reported CBCL			49.91	9.43	51.43	9.71	50.29	9.75
Mother reported SSRS	98.32	13.59	105.07	15.07	105.98	15.95	107.38	15.07
Mother reported CBCL	51.11	9.54	48.52	9.97	47.69	10.40	46.37	10.74
Math	423.87	19.46	469.42	15.67	497.16	12.63	509.77	12.29
Reading	368.70	21.39	452.05	24.06	493.39	18.27	509.88	17.38
Vocabulary	459.21	13.71	483.42	12.28	496.50	11.42	505.52	11.90
Child Male	0.48
Child Black	0.13
Child Hispanic	0.06
Child other ethnicity	0.05
Maternal Age	28.11	5.63
Maternal Education	14.23	2.51
Maternal PPVT score	98.11	18.60
Average HOME scores	-0.04	0.87
*Middle Childhood Average Family Variables* ^b
Mother married	0.72
Maternal employment	27.00	16.44
Income-to-needs ratio	4.12	3.35
Children in the household	2.42	0.94
Teacher experience	12.86	6.44
Classroom quality	34.43	3.07

Note. N= 1364

Data treated as time-invariant

Data averaged across 1^st, 3^rd and 5^th grade