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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.) 14.39 (8.59) 14.79 (8.43) 13.50 (8.87)
0 0 0.00% 0 0.00% 0 0.00%
1 88 5.10% 64 5.33% 24 4.61%
2 85 4.93% 45 3.75% 38 7.29%
3 60 3.48% 36 3.00% 24 4.61%
4 62 3.59% 40 3.33% 22 4.22%
5 60 3.48% 36 3.00% 24 4.61%
6 39 2.26% 26 2.16% 13 2.50%
7 48 2.78% 28 2.33% 20 3.84%
8 50 2.90% 38 3.16% 12 2.30%
9 111 6.43% 77 6.41% 34 6.53%
10 52 3.01% 33 2.75% 19 3.65%
11 61 3.54% 36 3.00% 25 4.80%
12 51 2.96% 32 2.66% 19 3.65%
13 47 2.72% 36 3.00% 11 2.11%
14 63 3.65% 54 4.50% 9 1.73%
15 65 3.77% 46 3.83% 19 3.65%
16 48 2.78% 35 2.91% 13 2.50%
17 60 3.48% 52 4.33% 8 1.54%
18 60 3.48% 49 4.08% 11 2.11%
19 93 5.39% 69 5.75% 24 4.61%
20 58 3.36% 41 3.41% 17 3.26%
21 51 2.96% 37 3.08% 14 2.69%
22 56 3.25% 38 3.16% 18 3.45%
23 49 2.84% 35 2.91% 13 2.50%
24 35 2.03% 22 1.83% 13 2.50%
25 44 2.55% 37 3.08% 7 1.34%
26 51 2.96% 36 3.00% 15 2.88%
27 41 2.38% 29 2.41% 12 2.30%
28 42 2.43% 30 2.50% 12 2.30%
29 38 2.20% 25 2.08% 13 2.50%
30 47 2.72% 33 2.75% 14 2.69%
31 10 0.58% 6 0.50% 4 0.77%
Missing 26
(1.48%)
18
(1.48%)
8
(1.51%)
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.