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.) 7.22 (1.37) 7.17 (1.37) 7.34 (1.38)

1 8 0.29% 7 0.36% 1 0.12%

2 17 0.61% 9 0.46% 8 0.94%

3 30 1.07% 24 1.24% 6 0.71%

4 51 1.82% 39 2.01% 12 1.41%

5 153 5.47% 109 5.61% 44 5.18%

6 334 11.94% 245 12.61% 88 10.37%

7 966 34.54% 678 34.89% 286 33.69%

8 929 33.21% 638 32.84% 289 34.04%

9 184 6.58% 119 6.12% 65 7.66%

10 125 4.47% 75 3.86% 50 5.89%

Missing 1
(0.04%) – 1
(0.05%) – 0
(0.00%) –

Total 2798 100% 1944 100% 849 100%

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.)	7.22 (1.37)		7.17 (1.37)		7.34 (1.38)
1	8	0.29%	7	0.36%	1	0.12%
2	17	0.61%	9	0.46%	8	0.94%
3	30	1.07%	24	1.24%	6	0.71%
4	51	1.82%	39	2.01%	12	1.41%
5	153	5.47%	109	5.61%	44	5.18%
6	334	11.94%	245	12.61%	88	10.37%
7	966	34.54%	678	34.89%	286	33.69%
8	929	33.21%	638	32.84%	289	34.04%
9	184	6.58%	119	6.12%	65	7.66%
10	125	4.47%	75	3.86%	50	5.89%
Missing	1 (0.04%)	–	1 (0.05%)	–	0 (0.00%)	–
Total	2798	100%	1944	100%	849	100%