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 | 108 | 9.43% | 103 | 13.55% | 5 | 1.31% | 
| 10 or younger | 84 | 7.34% | 65 | 8.55% | 18 | 4.72% | 
| 11 | 74 | 6.46% | 37 | 4.87% | 37 | 9.71% | 
| 12 | 131 | 11.44% | 43 | 5.66% | 88 | 23.10% | 
| 13 | 149 | 13.01% | 47 | 6.18% | 100 | 26.25% | 
| 14 | 138 | 12.05% | 67 | 8.82% | 70 | 18.37% | 
| 15 | 113 | 9.87% | 75 | 9.87% | 38 | 9.97% | 
| 16 | 105 | 9.17% | 91 | 11.97% | 14 | 3.67% | 
| 17 | 63 | 5.50% | 58 | 7.63% | 5 | 1.31% | 
| 18 | 75 | 6.55% | 71 | 9.34% | 4 | 1.05% | 
| 19 | 59 | 5.15% | 59 | 7.76% | 0 | 0.00% | 
| 20 | 43 | 3.76% | 41 | 5.39% | 2 | 0.52% | 
| 21 | 3 | 0.26% | 3 | 0.39% | 0 | 0.00% | 
| 22 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| 23 or older | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| Missing | 
733
 (39.03%)  | 
– | 
502
 (39.78%)  | 
– | 
231
 (37.75%)  | 
– | 
| Total | 1878 | 100% | 1262 | 100% | 612 | 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.