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 | 481 | 10.33% | 460 | 15.19% | 19 | 1.18% | 
| 10 or younger | 340 | 7.30% | 263 | 8.69% | 76 | 4.71% | 
| 11 | 273 | 5.86% | 113 | 3.73% | 159 | 9.86% | 
| 12 | 537 | 11.53% | 175 | 5.78% | 362 | 22.44% | 
| 13 | 644 | 13.83% | 218 | 7.20% | 420 | 26.04% | 
| 14 | 550 | 11.81% | 259 | 8.55% | 290 | 17.98% | 
| 15 | 484 | 10.40% | 321 | 10.60% | 161 | 9.98% | 
| 16 | 433 | 9.30% | 353 | 11.66% | 79 | 4.90% | 
| 17 | 326 | 7.00% | 306 | 10.11% | 20 | 1.24% | 
| 18 | 289 | 6.21% | 276 | 9.11% | 12 | 0.74% | 
| 19 | 155 | 3.33% | 149 | 4.92% | 6 | 0.37% | 
| 20 | 97 | 2.08% | 93 | 3.07% | 4 | 0.25% | 
| 21 | 39 | 0.84% | 36 | 1.19% | 3 | 0.19% | 
| 22 | 8 | 0.17% | 6 | 0.20% | 2 | 0.12% | 
| 23 or older | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| Missing | 
3911
 (45.65%)  | 
– | 
2794
 (47.99%)  | 
– | 
1113
 (40.83%)  | 
– | 
| Total | 8567 | 100% | 5822 | 100% | 2726 | 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.