Table A1

Summary Statistics—Excluded and Nonexcluded Families

	2+ Sample				3+ Sample
	Excluded		Nonexcluded		Excluded		Nonexcluded
	Mean	Standard Deviation	Mean	Standard Deviation	Mean	Standard Deviation	Mean	Standard Deviation
Panel A: 10–15-years-old
Father’s age	41.24	8.43	38.68	6.18	41.11	8.07	38.79	6.06
Mother’s age	36.49	6.43	34.63	4.89	36.10	5.92	34.47	4.62
Father’s education	2.82	3.30	5.35	4.39	2.28	2.88	4.57	4.16
Mother’s education	2.94	3.18	5.42	4.09	2.46	2.81	4.68	3.88
Young adult age	12.77	1.70	12.34	1.70	12.38	1.65	12.11	1.62
White young adult	0.41	0.49	0.61	0.49	0.35	0.48	0.54	0.50
Urban area	0.58	0.49	0.74	0.44	0.52	0.50	0.68	0.47
Metro area	0.18	0.38	0.27	0.44	0.14	0.35	0.23	0.42
Panel B: 18–20-years-old
Father’s age	41.24	8.43	38.68	6.18	41.11	8.07	38.79	6.06
Mother’s age	36.49	6.43	34.63	4.89	36.10	5.92	34.47	4.62
Father’s education	2.82	3.30	5.35	4.39	2.28	2.88	4.57	4.16
Mother’s education	2.94	3.18	5.42	4.09	2.46	2.81	4.68	3.88
Young adult age	12.77	1.70	12.34	1.70	12.38	1.65	12.11	1.62
White young adult	0.41	0.49	0.61	0.49	0.35	0.48	0.54	0.50
Urban area	0.58	0.49	0.74	0.44	0.52	0.50	0.68	0.47
Metro area	0.18	0.38	0.27	0.44	0.14	0.35	0.23	0.42