Table 1.

Descriptive statistics for analytic sample (percentages unless otherwise noted)

Characteristic	Women	Men
Sexual behavior
First sex age 14 or below	17.80	23.92
First sex age 18 or below	76.09	76.93
Immigrant generation and age at migration
Third-plus generation	83.62	82.62
Second generation	11.11	12.10
First generation, arrived in U.S. before age 10	3.92	3.29
First generation, arrived in U.S. age 10–16	1.35	1.98
Language
Language other than English spoken in childhood household	16.00	17.61
Family structure and instability
Mother married at age 14	67.68	71.11
Lived with biological mother at age 14	89.39	89.20
Lived with biological father at age 14	59.97	63.05
Lived with biological father at birth	82.12	82.93
Mean number changes in mother’s marital status through age 14	0.59	0.53
Mean number changes in co-residence with bio mother through age 14	0.21	0.22
Mean number changes in co-residence with bio father through age 14	0.34	0.32
Controls
Mean age at first interview	14.36	14.36
Race/ethnicity
Non-Hispanic white	67.09	66.32
Hispanic	12.29	13.45
Non-Hispanic black	15.45	15.26
Other race	5.17	4.96
Highest completed education of resident parents in 1997
Less than high school graduate	16.97	16.98
High school graduate	54.76	53.57
College graduate	28.27	29.45
Religion
Protestant	37.05	33.22
Catholic	24.88	28.31
Baptist	20.61	17.97
None	11.50	14.12
Other	5.96	6.38
N respondents	4,340	4,533

Source: 1997 National Longitudinal Survey of Youth, 1997–2010

Notes: Data are weighted to adjust for sample design.