Table 2. Descriptions of dependent variables.

Dependent variables	WOMEN			MEN			Model type
Continuous:	n	Median (years)	range	n	Median (years)	range
Age at puberty	4695	12	8–21	4918	13.3	6–22	Linear regression
Age at first petting	6812	16	9–42	8664	15	7–44	Linear regression
Age at first sex1	7163	21	10–35	7369	18	10–35	Event history
Age at first marriage1	7153	24	12–48	9038	27	13–48	Event history
Age at first birth2	1270	24	12–43	1762	26.5	13–54	Linear regression

¹These medians were calculated including censored cases.

²Age at first birth is for married respondents and only for those who were age 30 or over at the time of interview.