By Column: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
Alphabetically: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
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 | 210 | 11.42% | 202 | 16.96% | 6 | 0.94% | 
| 10 or younger | 142 | 7.72% | 104 | 8.73% | 38 | 5.95% | 
| 11 | 85 | 4.62% | 38 | 3.19% | 46 | 7.20% | 
| 12 | 173 | 9.41% | 62 | 5.21% | 110 | 17.21% | 
| 13 | 272 | 14.79% | 89 | 7.47% | 182 | 28.48% | 
| 14 | 217 | 11.80% | 88 | 7.39% | 129 | 20.19% | 
| 15 | 190 | 10.33% | 120 | 10.08% | 68 | 10.64% | 
| 16 | 175 | 9.52% | 139 | 11.67% | 35 | 5.48% | 
| 17 | 141 | 7.67% | 129 | 10.83% | 12 | 1.88% | 
| 18 | 154 | 8.37% | 148 | 12.43% | 5 | 0.78% | 
| 19 | 67 | 3.64% | 64 | 5.37% | 3 | 0.47% | 
| 20 | 8 | 0.44% | 7 | 0.59% | 1 | 0.16% | 
| 21 | 3 | 0.16% | 0 | 0.00% | 3 | 0.47% | 
| 22 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| 23 or older | 2 | 0.11% | 1 | 0.08% | 1 | 0.16% | 
| Missing | 
1477
 (44.54%)  | 
– | 
1084
 (47.65%)  | 
– | 
389
 (37.84%)  | 
– | 
| 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.