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.) 7.11 (1.41) 7.06 (1.42) 7.21 (1.38)

1 15 0.39% 13 0.50% 2 0.16%

2 22 0.57% 14 0.53% 8 0.65%

3 40 1.04% 32 1.22% 8 0.65%

4 87 2.25% 61 2.32% 26 2.12%

5 280 7.25% 196 7.46% 83 6.75%

6 527 13.64% 370 14.09% 156 12.69%

7 1330 34.42% 906 34.50% 421 34.26%

8 1163 30.10% 783 29.82% 377 30.68%

9 240 6.21% 155 5.90% 85 6.92%

10 160 4.14% 96 3.66% 63 5.13%

Missing 4
(0.10%) – 4
(0.15%) – 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.

students (physattr)
	All Rs		Female		Male
Mean (Std. Dev.)	7.11 (1.41)		7.06 (1.42)		7.21 (1.38)
1	15	0.39%	13	0.50%	2	0.16%
2	22	0.57%	14	0.53%	8	0.65%
3	40	1.04%	32	1.22%	8	0.65%
4	87	2.25%	61	2.32%	26	2.12%
5	280	7.25%	196	7.46%	83	6.75%
6	527	13.64%	370	14.09%	156	12.69%
7	1330	34.42%	906	34.50%	421	34.26%
8	1163	30.10%	783	29.82%	377	30.68%
9	240	6.21%	155	5.90%	85	6.92%
10	160	4.14%	96	3.66%	63	5.13%
Missing	4 (0.10%)	–	4 (0.15%)	–	0 (0.00%)	–
Total	3868	100%	2630	100%	1229	100%