age.at.first.intercourse.r

age.at.first.intercourse.r (in Sexual History)

Variable Summary	Undergrad	Freshman	Sophomore	Junior	Senior
Sexually active students:	Undergrad	Freshman	Sophomore	Junior	Senior
Casual-sexually active students:	Undergrad	Freshman	Sophomore	Junior	Senior

students (age_at_first_intercourse_r)

All Rs Female Male

17 3128 15.54% 2139 15.27% 982 16.18%

15 or younger 2688 13.35% 1973 14.08% 713 11.75%

16 2953 14.67% 2164 15.45% 781 12.87%

18 3211 15.95% 2160 15.42% 1042 17.17%

19 or older 1912 9.50% 1343 9.59% 562 9.26%

Not applicable 6236 30.98% 4232 30.20% 1988 32.76%

Missing 3
(0.01%) – 2
(0.01%) – 1
(0.02%) –

Total 20131 100% 14013 100% 6069 100%

These tables reflect only undergraduates attending 4-year colleges who are of normative age -- 18, 19, 20, 21, or 22, +/- 1, for freshman, sophomores, juniors, and seniors, respectively.

students (age_at_first_intercourse_r)
	All Rs		Female		Male
17	3128	15.54%	2139	15.27%	982	16.18%
15 or younger	2688	13.35%	1973	14.08%	713	11.75%
16	2953	14.67%	2164	15.45%	781	12.87%
18	3211	15.95%	2160	15.42%	1042	17.17%
19 or older	1912	9.50%	1343	9.59%	562	9.26%
Not applicable	6236	30.98%	4232	30.20%	1988	32.76%
Missing	3 (0.01%)	–	2 (0.01%)	–	1 (0.02%)	–
Total	20131	100%	14013	100%	6069	100%