Table A.1.

Weighted Demographic and Family Characteristics, Included and Excluded Sexually Active Women Interviewed in Waves I (1994–95) and III (2001–02) of the National Longitudinal Survey of Adolescent to Adult Health

	Excluded	Included	P-Value
Mother-Child Relationship Quality,   Wave I (ranges 5 – 25)	21.9 (0.12)	21.8 (0.09)	0.392
Mother-Child Relationship Quality,   Wave III (ranges 1 – 10)	8.90 (0.05)	8.89 (0.04)	0.000
Family Structure, Wave I			0.000
Two Biological Parents	52.0	57.1
Biological Mother Only	15.4	24.6
Biological Mother/Stepfather	3.00	11.1
Biological Mother/Other Adult	29.6	7.17
Mother’s Education, Wave I			0.040
<High School Grad	17.9	20.2
HS Grad/GED/Vocational	41.2	35.6
Some College	18.2	21.2
College Grad/Graduate Degree	22.8	23.0
Race/Ethnicity, Wave I			0.000
Hispanic	7.76	12.8
Non-Hispanic Black	19.0	15.4
Non-Hispanic Asian	2.15	3.41
Non-Hispanic Other	0.99	1.46
Non-Hispanic White	70.1	66.8
Age 18 – 26 years, Wave III	22.0 (0.12)	21.8 (0.12)	0.000
Age at first intercourse, Wave III			0.615
≤15 years old	18.7	19.5
> 15 years old	81.3	80.5
Ever Given Birth, Wave III			0.160
No	67.6	69.9
Yes	32.4	30.0
Marital and Cohabitation Status, Wave III			0.121
Not in a Union	62.1	57.6
Married	19.0	21.9
Cohabiting	18.9	20.5
Hormonal/Long Acting Method, Wave III			0.160
No	39.5	38.6
Yes	60.5	61.4