dates.since.started.college

dates.since.started.college (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 (dates_since_started_college)

All Rs Female Male

Mean (Std. Dev.) 4.29 (5.40) 3.98 (4.99) 4.95 (6.13)

0 1116 28.85% 778 29.58% 337 27.42%

1 355 9.18% 259 9.85% 95 7.73%

2 432 11.17% 298 11.33% 133 10.82%

3 374 9.67% 268 10.19% 105 8.54%

4 290 7.50% 204 7.76% 84 6.83%

5 280 7.24% 186 7.07% 93 7.57%

6 177 4.58% 107 4.07% 70 5.70%

7 128 3.31% 86 3.27% 42 3.42%

8 112 2.90% 73 2.78% 39 3.17%

9 55 1.42% 37 1.41% 18 1.46%

10 132 3.41% 86 3.27% 46 3.74%

11 48 1.24% 32 1.22% 16 1.30%

12 41 1.06% 27 1.03% 14 1.14%

13 26 0.67% 17 0.65% 8 0.65%

14 22 0.57% 12 0.46% 10 0.81%

15 78 2.02% 46 1.75% 32 2.60%

16 30 0.78% 21 0.80% 9 0.73%

17 31 0.80% 20 0.76% 11 0.90%

18 29 0.75% 17 0.65% 12 0.98%

19 16 0.41% 10 0.38% 6 0.49%

20 27 0.70% 12 0.46% 14 1.14%

21 3 0.08% 1 0.04% 2 0.16%

22 13 0.34% 8 0.30% 5 0.41%

23 4 0.10% 1 0.04% 3 0.24%

24 0 0.00% 0 0.00% 0 0.00%

25 18 0.47% 14 0.53% 4 0.33%

26 0 0.00% 0 0.00% 0 0.00%

27 0 0.00% 0 0.00% 0 0.00%

28 1 0.03% 1 0.04% 0 0.00%

29 0 0.00% 0 0.00% 0 0.00%

30 30 0.78% 9 0.34% 21 1.71%

Missing 0
(0.00%) – 0
(0.00%) – 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 (dates_since_started_college)
	All Rs		Female		Male
Mean (Std. Dev.)	4.29 (5.40)		3.98 (4.99)		4.95 (6.13)
0	1116	28.85%	778	29.58%	337	27.42%
1	355	9.18%	259	9.85%	95	7.73%
2	432	11.17%	298	11.33%	133	10.82%
3	374	9.67%	268	10.19%	105	8.54%
4	290	7.50%	204	7.76%	84	6.83%
5	280	7.24%	186	7.07%	93	7.57%
6	177	4.58%	107	4.07%	70	5.70%
7	128	3.31%	86	3.27%	42	3.42%
8	112	2.90%	73	2.78%	39	3.17%
9	55	1.42%	37	1.41%	18	1.46%
10	132	3.41%	86	3.27%	46	3.74%
11	48	1.24%	32	1.22%	16	1.30%
12	41	1.06%	27	1.03%	14	1.14%
13	26	0.67%	17	0.65%	8	0.65%
14	22	0.57%	12	0.46%	10	0.81%
15	78	2.02%	46	1.75%	32	2.60%
16	30	0.78%	21	0.80%	9	0.73%
17	31	0.80%	20	0.76%	11	0.90%
18	29	0.75%	17	0.65%	12	0.98%
19	16	0.41%	10	0.38%	6	0.49%
20	27	0.70%	12	0.46%	14	1.14%
21	3	0.08%	1	0.04%	2	0.16%
22	13	0.34%	8	0.30%	5	0.41%
23	4	0.10%	1	0.04%	3	0.24%
24	0	0.00%	0	0.00%	0	0.00%
25	18	0.47%	14	0.53%	4	0.33%
26	0	0.00%	0	0.00%	0	0.00%
27	0	0.00%	0	0.00%	0	0.00%
28	1	0.03%	1	0.04%	0	0.00%
29	0	0.00%	0	0.00%	0	0.00%
30	30	0.78%	9	0.34%	21	1.71%
Missing	0 (0.00%)	–	0 (0.00%)	–	0 (0.00%)	–
Total	3868	100%	2630	100%	1229	100%