physattr

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 Rs Female Male

Mean (Std. Dev.) 7.12 (1.43) 7.08 (1.44) 7.21 (1.40)

1 13 0.39% 7 0.30% 6 0.60%

2 15 0.45% 13 0.56% 2 0.20%

3 57 1.70% 45 1.93% 12 1.20%

4 65 1.94% 50 2.14% 15 1.50%

5 229 6.84% 170 7.27% 59 5.89%

6 456 13.63% 324 13.86% 132 13.17%

7 1129 33.74% 764 32.69% 360 35.93%

8 1010 30.19% 725 31.02% 284 28.34%

9 243 7.26% 158 6.76% 85 8.48%

10 129 3.86% 81 3.47% 47 4.69%

Missing 11
(0.33%) – 8
(0.34%) – 3
(0.30%) –

Total 3357 100% 2345 100% 1005 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.

students (physattr)
	All Rs		Female		Male
Mean (Std. Dev.)	7.12 (1.43)		7.08 (1.44)		7.21 (1.40)
1	13	0.39%	7	0.30%	6	0.60%
2	15	0.45%	13	0.56%	2	0.20%
3	57	1.70%	45	1.93%	12	1.20%
4	65	1.94%	50	2.14%	15	1.50%
5	229	6.84%	170	7.27%	59	5.89%
6	456	13.63%	324	13.86%	132	13.17%
7	1129	33.74%	764	32.69%	360	35.93%
8	1010	30.19%	725	31.02%	284	28.34%
9	243	7.26%	158	6.76%	85	8.48%
10	129	3.86%	81	3.47%	47	4.69%
Missing	11 (0.33%)	–	8 (0.34%)	–	3 (0.30%)	–
Total	3357	100%	2345	100%	1005	100%