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

This collapses 12-15 into 15 or younger, 19-23 into 19 or above

This variable, age.at.first.intercourse.r, is constructed using information from the variable, age.at.first.intercourse.

students (age_at_first_intercourse_r)
	All Rs		Female		Male
17	3655	15.15%	2456	14.91%	1187	15.91%
15 or younger	3473	14.40%	2478	15.04%	981	13.15%
16	3478	14.42%	2500	15.17%	966	12.95%
18	3753	15.56%	2506	15.21%	1229	16.47%
19 or older	2792	11.58%	1942	11.79%	833	11.17%
Not applicable	6968	28.89%	4595	27.89%	2264	30.35%
Missing	12 (0.05%)	–	2 (0.01%)	–	1 (0.01%)	–
Total	24131	100%	16479	100%	7461	100%

17        15 or younger        16        18        19 or older        Not applicable

5137, 3214, 2474, 2295, 353 2037, 1430, 1160, 980, 216

17        15 or younger        16        18        19 or older        Not applicable

3537, 2040, 1598, 1477, 215 1496, 895, 729, 615, 130

These graphs reflect only undergraduates attending 4-year colleges who are of normative age -- 18, 19, 20, 21, or 22, +/- 1, for freshman, sophomores, juniors, seniors, and later undergraduates, respectively. Solid lines represent women. Dotted lines represent men.

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