By Column: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
Alphabetically: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
age.at.first.intercourse (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 (age_at_first_intercourse) | ||||||
| All Rs | Female | Male | ||||
| Not applicable | 2749 | 35.84% | 1930 | 35.32% | 810 | 36.99% |
| 12 or younger | 43 | 0.56% | 17 | 0.31% | 26 | 1.19% |
| 13 | 91 | 1.19% | 58 | 1.06% | 33 | 1.51% |
| 14 | 254 | 3.31% | 197 | 3.60% | 57 | 2.60% |
| 15 | 775 | 10.10% | 587 | 10.74% | 188 | 8.58% |
| 16 | 1208 | 15.75% | 897 | 16.41% | 309 | 14.11% |
| 17 | 1289 | 16.81% | 913 | 16.71% | 375 | 17.12% |
| 18 | 1121 | 14.62% | 772 | 14.13% | 346 | 15.80% |
| 19 | 140 | 1.83% | 94 | 1.72% | 46 | 2.10% |
| 20 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 21 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 22 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 23 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| Missing |
1
(0.01%) |
– |
0
(0.00%) |
– |
1
(0.05%) |
– |
| Total | 7671 | 100% | 5465 | 100% | 2191 | 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.