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physattr (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 (physattr)
 All RsFemaleMale
Mean (Std. Dev.) 7.30 (1.32) 7.23 (1.35) 7.47 (1.23)
1 4 0.23% 2 0.16% 2 0.38%
2 4 0.23% 4 0.33% 0 0.00%
3 31 1.78% 27 2.23% 4 0.76%
4 19 1.09% 17 1.40% 2 0.38%
5 81 4.64% 60 4.95% 21 3.98%
6 180 10.32% 135 11.13% 45 8.52%
7 609 34.92% 412 33.97% 195 36.93%
8 597 34.23% 421 34.71% 175 33.14%
9 160 9.17% 101 8.33% 59 11.17%
10 59 3.38% 34 2.80% 25 4.73%
Missing 7
(0.40%)
6
(0.49%)
1
(0.19%)
Total 1751 100% 1219 100% 529 100%

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.