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 342 15.59% 333 21.72% 9 1.38%

10 or younger 253 11.53% 186 12.13% 65 9.97%

11 114 5.20% 53 3.46% 61 9.36%

12 212 9.66% 84 5.48% 126 19.33%

13 310 14.13% 135 8.81% 172 26.38%

14 229 10.44% 112 7.31% 117 17.94%

15 207 9.43% 145 9.46% 61 9.36%

16 184 8.39% 158 10.31% 25 3.83%

17 141 6.43% 136 8.87% 5 0.77%

18 130 5.93% 127 8.28% 3 0.46%

19 57 2.60% 55 3.59% 2 0.31%

20 9 0.41% 8 0.52% 1 0.15%

21 3 0.14% 0 0.00% 3 0.46%

22 2 0.09% 0 0.00% 2 0.31%

23 or older 1 0.05% 1 0.07% 0 0.00%

Missing 1122
(33.84%) – 742
(32.62%) – 376
(36.58%) –

Total 3316 100% 2275 100% 1028 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	342	15.59%	333	21.72%	9	1.38%
10 or younger	253	11.53%	186	12.13%	65	9.97%
11	114	5.20%	53	3.46%	61	9.36%
12	212	9.66%	84	5.48%	126	19.33%
13	310	14.13%	135	8.81%	172	26.38%
14	229	10.44%	112	7.31%	117	17.94%
15	207	9.43%	145	9.46%	61	9.36%
16	184	8.39%	158	10.31%	25	3.83%
17	141	6.43%	136	8.87%	5	0.77%
18	130	5.93%	127	8.28%	3	0.46%
19	57	2.60%	55	3.59%	2	0.31%
20	9	0.41%	8	0.52%	1	0.15%
21	3	0.14%	0	0.00%	3	0.46%
22	2	0.09%	0	0.00%	2	0.31%
23 or older	1	0.05%	1	0.07%	0	0.00%
Missing	1122 (33.84%)	–	742 (32.62%)	–	376 (36.58%)	–
Total	3316	100%	2275	100%	1028	100%