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.) 1.92 (3.70) 1.69 (3.28) 2.49 (4.54)

0 4297 56.02% 3109 56.89% 1182 53.95%

1 792 10.32% 610 11.16% 180 8.22%

2 721 9.40% 522 9.55% 197 8.99%

3 470 6.13% 343 6.28% 124 5.66%

4 341 4.45% 248 4.54% 92 4.20%

5 256 3.34% 173 3.17% 82 3.74%

6 186 2.42% 110 2.01% 76 3.47%

7 108 1.41% 67 1.23% 41 1.87%

8 98 1.28% 64 1.17% 34 1.55%

9 46 0.60% 31 0.57% 15 0.68%

10 79 1.03% 44 0.81% 35 1.60%

11 40 0.52% 23 0.42% 17 0.78%

12 28 0.37% 13 0.24% 15 0.68%

13 26 0.34% 10 0.18% 16 0.73%

14 16 0.21% 10 0.18% 6 0.27%

15 51 0.66% 28 0.51% 23 1.05%

16 9 0.12% 7 0.13% 2 0.09%

17 13 0.17% 6 0.11% 7 0.32%

18 16 0.21% 7 0.13% 9 0.41%

19 11 0.14% 5 0.09% 6 0.27%

20 18 0.23% 12 0.22% 6 0.27%

21 10 0.13% 4 0.07% 6 0.27%

22 4 0.05% 1 0.02% 3 0.14%

23 1 0.01% 1 0.02% 0 0.00%

24 1 0.01% 1 0.02% 0 0.00%

25 13 0.17% 9 0.16% 4 0.18%

26 0 0.00% 0 0.00% 0 0.00%

27 2 0.03% 1 0.02% 1 0.05%

28 0 0.00% 0 0.00% 0 0.00%

29 1 0.01% 1 0.02% 0 0.00%

30 17 0.22% 5 0.09% 12 0.55%

Missing 0
(0.00%) – 0
(0.00%) – 0
(0.00%) –

Total 7671 100% 5465 100% 2191 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.)	1.92 (3.70)		1.69 (3.28)		2.49 (4.54)
0	4297	56.02%	3109	56.89%	1182	53.95%
1	792	10.32%	610	11.16%	180	8.22%
2	721	9.40%	522	9.55%	197	8.99%
3	470	6.13%	343	6.28%	124	5.66%
4	341	4.45%	248	4.54%	92	4.20%
5	256	3.34%	173	3.17%	82	3.74%
6	186	2.42%	110	2.01%	76	3.47%
7	108	1.41%	67	1.23%	41	1.87%
8	98	1.28%	64	1.17%	34	1.55%
9	46	0.60%	31	0.57%	15	0.68%
10	79	1.03%	44	0.81%	35	1.60%
11	40	0.52%	23	0.42%	17	0.78%
12	28	0.37%	13	0.24%	15	0.68%
13	26	0.34%	10	0.18%	16	0.73%
14	16	0.21%	10	0.18%	6	0.27%
15	51	0.66%	28	0.51%	23	1.05%
16	9	0.12%	7	0.13%	2	0.09%
17	13	0.17%	6	0.11%	7	0.32%
18	16	0.21%	7	0.13%	9	0.41%
19	11	0.14%	5	0.09%	6	0.27%
20	18	0.23%	12	0.22%	6	0.27%
21	10	0.13%	4	0.07%	6	0.27%
22	4	0.05%	1	0.02%	3	0.14%
23	1	0.01%	1	0.02%	0	0.00%
24	1	0.01%	1	0.02%	0	0.00%
25	13	0.17%	9	0.16%	4	0.18%
26	0	0.00%	0	0.00%	0	0.00%
27	2	0.03%	1	0.02%	1	0.05%
28	0	0.00%	0	0.00%	0	0.00%
29	1	0.01%	1	0.02%	0	0.00%
30	17	0.22%	5	0.09%	12	0.55%
Missing	0 (0.00%)	–	0 (0.00%)	–	0 (0.00%)	–
Total	7671	100%	5465	100%	2191	100%