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 193 10.96% 189 14.38% 3 0.67%

10 or younger 240 13.63% 190 14.46% 50 11.24%

11 100 5.68% 40 3.04% 60 13.48%

12 192 10.90% 88 6.70% 104 23.37%

13 202 11.47% 110 8.37% 91 20.45%

14 161 9.14% 104 7.91% 57 12.81%

15 142 8.06% 101 7.69% 41 9.21%

16 127 7.21% 104 7.91% 23 5.17%

17 101 5.74% 97 7.38% 4 0.90%

18 125 7.10% 121 9.21% 4 0.90%

19 67 3.80% 64 4.87% 3 0.67%

20 66 3.75% 64 4.87% 2 0.45%

21 38 2.16% 36 2.74% 2 0.45%

22 7 0.40% 6 0.46% 1 0.22%

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

Missing 761
(30.17%) – 494
(27.32%) – 263
(37.15%) –

Total 2522 100% 1808 100% 708 100%

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	193	10.96%	189	14.38%	3	0.67%
10 or younger	240	13.63%	190	14.46%	50	11.24%
11	100	5.68%	40	3.04%	60	13.48%
12	192	10.90%	88	6.70%	104	23.37%
13	202	11.47%	110	8.37%	91	20.45%
14	161	9.14%	104	7.91%	57	12.81%
15	142	8.06%	101	7.69%	41	9.21%
16	127	7.21%	104	7.91%	23	5.17%
17	101	5.74%	97	7.38%	4	0.90%
18	125	7.10%	121	9.21%	4	0.90%
19	67	3.80%	64	4.87%	3	0.67%
20	66	3.75%	64	4.87%	2	0.45%
21	38	2.16%	36	2.74%	2	0.45%
22	7	0.40%	6	0.46%	1	0.22%
23 or older	0	0.00%	0	0.00%	0	0.00%
Missing	761 (30.17%)	–	494 (27.32%)	–	263 (37.15%)	–
Total	2522	100%	1808	100%	708	100%