age.at.first.masturbated.orgasm

age.at.first.masturbated.orgasm (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 (a_a_f_m_o)

All Rs Female Male

I have never masturbated 1347 13.32% 1280 19.81% 65 1.79%

10 or younger 685 6.77% 484 7.49% 199 5.49%

11 521 5.15% 217 3.36% 302 8.34%

12 1030 10.19% 333 5.15% 695 19.19%

13 1374 13.59% 460 7.12% 907 25.04%

14 1161 11.48% 489 7.57% 669 18.47%

15 1022 10.11% 631 9.77% 388 10.71%

16 991 9.80% 745 11.53% 244 6.74%

17 712 7.04% 642 9.94% 69 1.91%

18 653 6.46% 605 9.36% 43 1.19%

19 328 3.24% 311 4.81% 17 0.47%

20 193 1.91% 181 2.80% 12 0.33%

21 79 0.78% 73 1.13% 6 0.17%

22 12 0.12% 8 0.12% 4 0.11%

23 or older 4 0.04% 2 0.03% 2 0.06%

Missing 10019
(49.77%) – 7552
(53.89%) – 2447
(40.32%) –

Total 20131 100% 14013 100% 6069 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 (a_a_f_m_o)
	All Rs		Female		Male
I have never masturbated	1347	13.32%	1280	19.81%	65	1.79%
10 or younger	685	6.77%	484	7.49%	199	5.49%
11	521	5.15%	217	3.36%	302	8.34%
12	1030	10.19%	333	5.15%	695	19.19%
13	1374	13.59%	460	7.12%	907	25.04%
14	1161	11.48%	489	7.57%	669	18.47%
15	1022	10.11%	631	9.77%	388	10.71%
16	991	9.80%	745	11.53%	244	6.74%
17	712	7.04%	642	9.94%	69	1.91%
18	653	6.46%	605	9.36%	43	1.19%
19	328	3.24%	311	4.81%	17	0.47%
20	193	1.91%	181	2.80%	12	0.33%
21	79	0.78%	73	1.13%	6	0.17%
22	12	0.12%	8	0.12%	4	0.11%
23 or older	4	0.04%	2	0.03%	2	0.06%
Missing	10019 (49.77%)	–	7552 (53.89%)	–	2447 (40.32%)	–
Total	20131	100%	14013	100%	6069	100%