Table 2.

Descriptive statistics relative to timing to first sex, first marriage, first child, first independent housing by age (Kaplan–Meier estimates)

	Sexual debut			Marriage			Childbearing			Independent housing
	Male	Female	All	Male	Female	All	Male	Female	All	Male	Female	All
12	3.9%	1.4%	2.6%	0.0%	0.2%	0.1%	0.0%	0.0%	0.0%	1.0%	0.2%	0.6%
13	6.0%	2.6%	4.3%	0.0%	0.4%	0.2%	0.0%	0.1%	0.1%	1.7%	0.4%	1.0%
14	8.8%	5.4%	7.1%	0.0%	0.8%	0.4%	0.0%	0.5%	0.3%	2.5%	0.8%	1.7%
15	13.9%	10.2%	12.0%	0.1%	1.4%	0.7%	0.1%	1.3%	0.7%	4.7%	1.6%	3.2%
16	19.6%	18.0%	18.8%	0.3%	4.0%	2.2%	0.3%	3.6%	2.0%	7.4%	2.8%	5.1%
17	27.7%	28.8%	28.3%	0.8%	10.8%	5.8%	0.5%	8.3%	4.4%	10.9%	4.6%	7.7%
18	34.7%	39.1%	37.0%	1.5%	17.9%	9.8%	1.6%	16.5%	9.2%	17.2%	8.6%	12.9%
19	45.2%	51.0%	48.3%	3.4%	26.5%	15.2%	3.3%	27.0%	15.5%	26.1%	15.4%	20.6%
20	53.0%	61.7%	57.6%	6.6%	34.3%	20.7%	5.8%	38.4%	22.5%	38.8%	22.5%	30.5%
21	61.4%	70.2%	66.0%	11.1%	43.1%	27.3%	11.5%	52.3%	32.4%	53.2%	33.7%	43.3%
22	73.2%	73.7%	73.1%	13.2%	46.5%	30.0%	13.0%	59.6%	37.1%	61.4%	34.9%	48.0%
Age at
First quartile	16.7	16.6	16.6	–	18.8	20.7	–	18.8	20.2	18.9	20.2	19.4
Median	19.5	18.9	19.1	–	–	–	–	20.8	–	20.7	–	22.2
Subjects	1,987	1,957	3,944	1,987	1,957	3,944	1,987	1,957	3,944	1,987	1,957	3,944
Failures	594	659	1,253	66	341	407	64	389	453	416	240	656