Table 1.

Descriptive statistics for time-invariant covariates in analyses of neighborhood effects on adolescent parenthood, Panel Study of Income Dynamics^a

Variable	Blacks (N=2669)	Nonblacks (N=3573)
Gender, %
Male	50.13	50.32
Female	49.87	49.68
Birth weight %
>= 5.5 lbs	91.08	94.57
< 5.5 lbs	8.92	5.43
Mother’s marital status at birth, %
Unmarried	48.48	7.30
Married	51.52	92.70
FU head’s education, %
Less than high school	43.42	21.80
High school graduate	29.30	24.71
At least some college	27.28	53.49
Mother’s age at birth, mean	24.74	26.51

^aStatistics reported for subjects who were not lost to follow-up before age 12.