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 | 155 | 12.53% | 150 | 19.58% | 5 | 1.07% | 
| 10 or younger | 68 | 5.50% | 49 | 6.40% | 19 | 4.06% | 
| 11 | 80 | 6.47% | 30 | 3.92% | 50 | 10.68% | 
| 12 | 154 | 12.45% | 44 | 5.74% | 110 | 23.50% | 
| 13 | 196 | 15.84% | 66 | 8.62% | 128 | 27.35% | 
| 14 | 157 | 12.69% | 67 | 8.75% | 90 | 19.23% | 
| 15 | 140 | 11.32% | 104 | 13.58% | 35 | 7.48% | 
| 16 | 130 | 10.51% | 107 | 13.97% | 23 | 4.91% | 
| 17 | 96 | 7.76% | 94 | 12.27% | 2 | 0.43% | 
| 18 | 52 | 4.20% | 48 | 6.27% | 4 | 0.85% | 
| 19 | 8 | 0.65% | 7 | 0.91% | 1 | 0.21% | 
| 20 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| 21 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| 22 | 1 | 0.08% | 0 | 0.00% | 1 | 0.21% | 
| 23 or older | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | 
| Missing | 
1613
 (56.60%)  | 
– | 
1213
 (61.29%)  | 
– | 
400
 (46.08%)  | 
– | 
| Total | 2850 | 100% | 1979 | 100% | 868 | 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.