Table 2.

Univariate Statistics.

	Non-child spacing (n = 452 280)	Child spacing (n = 50 012)
White	182 081 (40.3%)	15 253 (30.5%)
Black	86 158 (19.0%)	21 555 (43.1%)
Hispanic	128 483 (28.4%)	7189 (14.4%)
Other	55 558 (12.3%)	6015 (12.0%)
Contraception
Yes	193 237 (42.7%)	25 874 (51.7%)
No	259 043 (57.3%)	24 138 (48.3%)
Index age (mean/STD/median)	21.5/4.6/20.0	20.5/4.0/20.0
Age at second live birth	24.9/5.1/24.0	25.3/4.8/24.6
Months index pregnancy to second live birth	41.0/28.6/33.0	58.6/32.4/52.3
Months of eligibility	109.7/46.7/113.0	124.9/39.6/130.0