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age (in Demographics)

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)
 All RsFemaleMale
Mean (Std. Dev.) 21.35 (0.55) 21.32 (0.56) 21.44 (0.53)
18 0 0.00% 0 0.00% 0 0.00%
19 0 0.00% 0 0.00% 0 0.00%
20 100 3.97% 86 4.76% 13 1.84%
21 1431 56.74% 1056 58.41% 372 52.54%
22 991 39.29% 666 36.84% 323 45.62%
23 0 0.00% 0 0.00% 0 0.00%
24 0 0.00% 0 0.00% 0 0.00%
25 0 0.00% 0 0.00% 0 0.00%
Missing 0
(0.00%)
0
(0.00%)
0
(0.00%)
Total 2522 100% 1808 100% 708 100%

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.