Appendix Table A.

Socio-demographic characteristics of respondents of National Comorbidity Survey and National Comorbidity Survey follow-up who were students at T1.

	Subsample 1: 7–11 years of education at Time 1 N=407				Subsample 2: 7–12 years of education at Time 1 and 12 or more years of education at Time 2 N=417				Subsample 3: 7–15 years of education at Time 1 and 13 or more years of education at Time 2 N=404
	N	Mean	SE	IQR	N	Mean	SE	IQR	N	Mean	SE	IQR
Age at Time 1	407	16.2	0.1	15–17	417	16.5	0.1	15–17	404	17.4	0.2	16–18
Years of education at Time 1	407	9.8	0.1	9–11	417	10.1	0.1	9–11	404	10.9	0.1	9–12
Number of years of education of the major bread winner	407	11.7	0.3	11–16	417	12.1	0.3	12–16	404	13.1	0.3	12–16
	N	%	SE		N	%	SE		N	%	SE
Marital status
Married / Cohabitating	5	1.3	0.7		10	2.2	1.0		15	2.8	0.9
Separated / Widowed/     Divorced	5	0.8	0.5		4	0.7	0.5		8	1.6	0.8
Never Married	397	97.9	0.9		403	97.0	1.1		381	95.6	1.1
Gender
Male	200	52.2	2.4		203	50.3	2.5		201	53.1	2.5
Female	207	47.8	2.4		214	49.7	2.5		203	46.9	2.5
Race/ethnicity
Hispanic	69	17.8	3.6		65	15.6	3.7		49	11.6	2.6
Non-Hispanic black	53	12.6	1.9		47	11.3	1.9		38	9.2	1.8
Non-Hispanic other	13	3.6	1.2		12	3.9	1.2		20	5.6	1.5
Non-Hispanic white	272	66.0	3.8		293	69.2	3.9		297	73.6	3.3

Note SE stands for standard error; IQR stands for interquartile range (25^th to 75^th percentile).