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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

At what age did you first masturbate

students (age_at_first_masturbation)
 All RsFemaleMale
I have never masturbated 3159 19.86% 3004 27.12% 146 3.06%
10 or younger 1769 11.12% 1244 11.23% 517 10.85%
11 842 5.29% 366 3.30% 471 9.88%
12 1651 10.38% 650 5.87% 994 20.85%
13 1922 12.08% 831 7.50% 1080 22.66%
14 1524 9.58% 793 7.16% 726 15.23%
15 1305 8.20% 878 7.93% 421 8.83%
16 1202 7.55% 972 8.77% 228 4.78%
17 816 5.13% 748 6.75% 66 1.38%
18 783 4.92% 721 6.51% 55 1.15%
19 407 2.56% 383 3.46% 24 0.50%
20 246 1.55% 231 2.09% 13 0.27%
21 131 0.82% 120 1.08% 11 0.23%
22 54 0.34% 45 0.41% 9 0.19%
23 or older 99 0.62% 92 0.83% 6 0.13%
Missing 8221
(34.07%)
5401
(32.78%)
2694
(36.11%)
Total 24131 100% 16479 100% 7461 100%

I have never masturbated        10 or younger        11        12        13        14        15        16        17        18        19        20        21        22        23 or older
2828, 2100, 1751, 1626, 283
1124, 877, 736, 608, 150
I have never masturbated        10 or younger        11        12        13        14        15        16        17        18        19        20        21        22        23 or older
1889, 1269, 1107, 1028, 174
800, 505, 436, 369, 83

These graphs reflect only undergraduates attending 4-year colleges who are of normative age -- 18, 19, 20, 21, or 22, +/- 1, for freshman, sophomores, juniors, seniors, and later undergraduates, respectively. Solid lines represent women. Dotted lines represent men.

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