age.at.first.masturbation

age.at.first.masturbation (in Sexual History)

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 (age_at_first_masturbation)

All Rs Female Male

I have never masturbated 343 14.92% 324 19.44% 17 2.70%

10 or younger 287 12.48% 226 13.56% 61 9.70%

11 131 5.70% 52 3.12% 79 12.56%

12 243 10.57% 106 6.36% 137 21.78%

13 268 11.66% 136 8.16% 131 20.83%

14 194 8.44% 117 7.02% 77 12.24%

15 178 7.74% 117 7.02% 61 9.70%

16 158 6.87% 127 7.62% 31 4.93%

17 115 5.00% 106 6.36% 9 1.43%

18 152 6.61% 141 8.46% 11 1.75%

19 85 3.70% 79 4.74% 6 0.95%

20 84 3.65% 78 4.68% 6 0.95%

21 51 2.22% 49 2.94% 2 0.32%

22 10 0.43% 9 0.54% 1 0.16%

23 or older 0 0.00% 0 0.00% 0 0.00%

Missing 1058
(31.52%) – 678
(28.91%) – 376
(37.41%) –

Total 3357 100% 2345 100% 1005 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 (age_at_first_masturbation)
	All Rs		Female		Male
I have never masturbated	343	14.92%	324	19.44%	17	2.70%
10 or younger	287	12.48%	226	13.56%	61	9.70%
11	131	5.70%	52	3.12%	79	12.56%
12	243	10.57%	106	6.36%	137	21.78%
13	268	11.66%	136	8.16%	131	20.83%
14	194	8.44%	117	7.02%	77	12.24%
15	178	7.74%	117	7.02%	61	9.70%
16	158	6.87%	127	7.62%	31	4.93%
17	115	5.00%	106	6.36%	9	1.43%
18	152	6.61%	141	8.46%	11	1.75%
19	85	3.70%	79	4.74%	6	0.95%
20	84	3.65%	78	4.68%	6	0.95%
21	51	2.22%	49	2.94%	2	0.32%
22	10	0.43%	9	0.54%	1	0.16%
23 or older	0	0.00%	0	0.00%	0	0.00%
Missing	1058 (31.52%)	–	678 (28.91%)	–	376 (37.41%)	–
Total	3357	100%	2345	100%	1005	100%