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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.) 20.35 (0.54) 20.33 (0.54) 20.39 (0.53)
18 0 0.00% 0 0.00% 0 0.00%
19 122 3.15% 93 3.54% 29 2.36%
20 2275 58.82% 1575 59.89% 696 56.63%
21 1471 38.03% 962 36.58% 504 41.01%
22 0 0.00% 0 0.00% 0 0.00%
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 3868 100% 2630 100% 1229 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.