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 393 14.21% 371 21.59% 20 1.93%

10 or younger 197 7.12% 134 7.80% 62 5.99%

11 124 4.48% 47 2.74% 75 7.25%

12 250 9.04% 82 4.77% 167 16.14%

13 407 14.72% 139 8.09% 266 25.70%

14 325 11.75% 122 7.10% 203 19.61%

15 275 9.95% 162 9.43% 111 10.72%

16 259 9.37% 179 10.42% 79 7.63%

17 204 7.38% 178 10.36% 26 2.51%

18 208 7.52% 196 11.41% 11 1.06%

19 98 3.54% 91 5.30% 7 0.68%

20 19 0.69% 16 0.93% 3 0.29%

21 3 0.11% 0 0.00% 3 0.29%

22 0 0.00% 0 0.00% 0 0.00%

23 or older 3 0.11% 1 0.06% 2 0.19%

Missing 2470
(47.18%) – 1855
(51.92%) – 609
(37.04%) –

Total 5235 100% 3573 100% 1644 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	393	14.21%	371	21.59%	20	1.93%
10 or younger	197	7.12%	134	7.80%	62	5.99%
11	124	4.48%	47	2.74%	75	7.25%
12	250	9.04%	82	4.77%	167	16.14%
13	407	14.72%	139	8.09%	266	25.70%
14	325	11.75%	122	7.10%	203	19.61%
15	275	9.95%	162	9.43%	111	10.72%
16	259	9.37%	179	10.42%	79	7.63%
17	204	7.38%	178	10.36%	26	2.51%
18	208	7.52%	196	11.41%	11	1.06%
19	98	3.54%	91	5.30%	7	0.68%
20	19	0.69%	16	0.93%	3	0.29%
21	3	0.11%	0	0.00%	3	0.29%
22	0	0.00%	0	0.00%	0	0.00%
23 or older	3	0.11%	1	0.06%	2	0.19%
Missing	2470 (47.18%)	–	1855 (51.92%)	–	609 (37.04%)	–
Total	5235	100%	3573	100%	1644	100%