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 175 12.97% 172 19.26% 3 0.67%

10 or younger 173 12.82% 124 13.89% 48 10.71%

11 77 5.71% 31 3.47% 45 10.04%

12 158 11.71% 62 6.94% 95 21.21%

13 192 14.23% 81 9.07% 108 24.11%

14 153 11.34% 74 8.29% 79 17.63%

15 131 9.71% 87 9.74% 43 9.60%

16 100 7.41% 84 9.41% 15 3.35%

17 87 6.45% 83 9.29% 4 0.89%

18 65 4.82% 62 6.94% 3 0.67%

19 31 2.30% 30 3.36% 1 0.22%

20 4 0.30% 3 0.34% 1 0.22%

21 2 0.15% 0 0.00% 2 0.45%

22 1 0.07% 0 0.00% 1 0.22%

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

Missing 739
(35.39%) – 469
(34.43%) – 269
(37.52%) –

Total 2088 100% 1362 100% 717 100%

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	175	12.97%	172	19.26%	3	0.67%
10 or younger	173	12.82%	124	13.89%	48	10.71%
11	77	5.71%	31	3.47%	45	10.04%
12	158	11.71%	62	6.94%	95	21.21%
13	192	14.23%	81	9.07%	108	24.11%
14	153	11.34%	74	8.29%	79	17.63%
15	131	9.71%	87	9.74%	43	9.60%
16	100	7.41%	84	9.41%	15	3.35%
17	87	6.45%	83	9.29%	4	0.89%
18	65	4.82%	62	6.94%	3	0.67%
19	31	2.30%	30	3.36%	1	0.22%
20	4	0.30%	3	0.34%	1	0.22%
21	2	0.15%	0	0.00%	2	0.45%
22	1	0.07%	0	0.00%	1	0.22%
23 or older	0	0.00%	0	0.00%	0	0.00%
Missing	739 (35.39%)	–	469 (34.43%)	–	269 (37.52%)	–
Total	2088	100%	1362	100%	717	100%