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 | 94 | 8.51% | 91 | 11.61% | 3 | 0.93% | 
| 10 or younger | 89 | 8.05% | 73 | 9.31% | 16 | 4.98% | 
| 11 | 62 | 5.61% | 29 | 3.70% | 33 | 10.28% | 
| 12 | 131 | 11.86% | 44 | 5.61% | 87 | 27.10% | 
| 13 | 117 | 10.59% | 49 | 6.25% | 68 | 21.18% | 
| 14 | 112 | 10.14% | 64 | 8.16% | 48 | 14.95% | 
| 15 | 112 | 10.14% | 71 | 9.06% | 41 | 12.77% | 
| 16 | 97 | 8.78% | 80 | 10.20% | 17 | 5.30% | 
| 17 | 71 | 6.43% | 68 | 8.67% | 3 | 0.93% | 
| 18 | 78 | 7.06% | 78 | 9.95% | 0 | 0.00% | 
| 19 | 52 | 4.71% | 50 | 6.38% | 2 | 0.62% | 
| 20 | 49 | 4.43% | 48 | 6.12% | 1 | 0.31% | 
| 21 | 34 | 3.08% | 33 | 4.21% | 1 | 0.31% | 
| 22 | 7 | 0.63% | 6 | 0.77% | 1 | 0.31% | 
| 23 or older | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| Missing | 
646
 (36.89%)  | 
– | 
435
 (35.68%)  | 
– | 
208
 (39.32%)  | 
– | 
| Total | 1751 | 100% | 1219 | 100% | 529 | 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.