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signature.day (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 (signature_day)
 All RsFemaleMale
Mean (Std. Dev.) 14.46 (8.59) 14.86 (8.53) 13.51 (8.68)
0 0 0.00% 0 0.00% 0 0.00%
1 118 4.78% 87 4.91% 31 4.48%
2 128 5.18% 78 4.40% 48 6.94%
3 84 3.40% 54 3.05% 30 4.34%
4 89 3.60% 57 3.21% 32 4.62%
5 79 3.20% 55 3.10% 24 3.47%
6 52 2.10% 32 1.80% 20 2.89%
7 72 2.91% 52 2.93% 19 2.75%
8 83 3.36% 60 3.38% 23 3.32%
9 162 6.56% 109 6.15% 51 7.37%
10 73 2.95% 51 2.88% 22 3.18%
11 75 3.04% 43 2.43% 32 4.62%
12 73 2.95% 48 2.71% 25 3.61%
13 70 2.83% 56 3.16% 14 2.02%
14 85 3.44% 69 3.89% 16 2.31%
15 94 3.80% 65 3.67% 29 4.19%
16 69 2.79% 50 2.82% 19 2.75%
17 78 3.16% 67 3.78% 11 1.59%
18 96 3.89% 79 4.46% 17 2.46%
19 142 5.75% 106 5.98% 36 5.20%
20 86 3.48% 59 3.33% 27 3.90%
21 73 2.95% 57 3.21% 16 2.31%
22 71 2.87% 54 3.05% 17 2.46%
23 70 2.83% 51 2.88% 18 2.60%
24 52 2.10% 36 2.03% 16 2.31%
25 63 2.55% 52 2.93% 11 1.59%
26 72 2.91% 52 2.93% 20 2.89%
27 63 2.55% 45 2.54% 18 2.60%
28 61 2.47% 50 2.82% 11 1.59%
29 53 2.14% 32 1.80% 21 3.03%
30 70 2.83% 58 3.27% 12 1.73%
31 15 0.61% 9 0.51% 6 0.87%
Missing 51
(2.02%)
35
(1.94%)
16
(2.26%)
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.