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.) 7.19 (1.39) 7.13 (1.39) 7.34 (1.38)

1 14 0.30% 11 0.32% 3 0.23%

2 14 0.30% 12 0.35% 2 0.15%

3 57 1.21% 42 1.23% 15 1.15%

4 88 1.86% 71 2.08% 17 1.30%

5 347 7.35% 273 8.00% 74 5.67%

6 581 12.30% 418 12.25% 163 12.49%

7 1572 33.28% 1143 33.50% 426 32.64%

8 1476 31.25% 1078 31.59% 397 30.42%

9 372 7.88% 245 7.18% 127 9.73%

10 202 4.28% 119 3.49% 81 6.21%

Missing 13
(0.27%) – 8
(0.23%) – 5
(0.38%) –

Total 4736 100% 3420 100% 1310 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.)	7.19 (1.39)		7.13 (1.39)		7.34 (1.38)
1	14	0.30%	11	0.32%	3	0.23%
2	14	0.30%	12	0.35%	2	0.15%
3	57	1.21%	42	1.23%	15	1.15%
4	88	1.86%	71	2.08%	17	1.30%
5	347	7.35%	273	8.00%	74	5.67%
6	581	12.30%	418	12.25%	163	12.49%
7	1572	33.28%	1143	33.50%	426	32.64%
8	1476	31.25%	1078	31.59%	397	30.42%
9	372	7.88%	245	7.18%	127	9.73%
10	202	4.28%	119	3.49%	81	6.21%
Missing	13 (0.27%)	–	8 (0.23%)	–	5 (0.38%)	–
Total	4736	100%	3420	100%	1310	100%