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 117 9.57% 114 12.72% 2 0.61%

10 or younger 173 14.15% 139 15.51% 34 10.43%

11 76 6.21% 27 3.01% 49 15.03%

12 149 12.18% 62 6.92% 87 26.69%

13 140 11.45% 79 8.82% 61 18.71%

14 114 9.32% 74 8.26% 40 12.27%

15 107 8.75% 75 8.37% 32 9.82%

16 73 5.97% 61 6.81% 12 3.68%

17 75 6.13% 72 8.04% 3 0.92%

18 80 6.54% 79 8.82% 1 0.31%

19 44 3.60% 42 4.69% 2 0.61%

20 44 3.60% 43 4.80% 1 0.31%

21 26 2.13% 25 2.79% 1 0.31%

22 5 0.41% 4 0.45% 1 0.31%

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

Missing 528
(30.15%) – 323
(26.50%) – 203
(38.37%) –

Total 1751 100% 1219 100% 529 100%

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	117	9.57%	114	12.72%	2	0.61%
10 or younger	173	14.15%	139	15.51%	34	10.43%
11	76	6.21%	27	3.01%	49	15.03%
12	149	12.18%	62	6.92%	87	26.69%
13	140	11.45%	79	8.82%	61	18.71%
14	114	9.32%	74	8.26%	40	12.27%
15	107	8.75%	75	8.37%	32	9.82%
16	73	5.97%	61	6.81%	12	3.68%
17	75	6.13%	72	8.04%	3	0.92%
18	80	6.54%	79	8.82%	1	0.31%
19	44	3.60%	42	4.69%	2	0.61%
20	44	3.60%	43	4.80%	1	0.31%
21	26	2.13%	25	2.79%	1	0.31%
22	5	0.41%	4	0.45%	1	0.31%
23 or older	0	0.00%	0	0.00%	0	0.00%
Missing	528 (30.15%)	–	323 (26.50%)	–	203 (38.37%)	–
Total	1751	100%	1219	100%	529	100%