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 | 1778 | 33.98% | 1201 | 33.63% | 573 | 34.85% |
| 12 or younger | 26 | 0.50% | 13 | 0.36% | 12 | 0.73% |
| 13 | 38 | 0.73% | 21 | 0.59% | 17 | 1.03% |
| 14 | 160 | 3.06% | 108 | 3.02% | 52 | 3.16% |
| 15 | 381 | 7.28% | 297 | 8.32% | 84 | 5.11% |
| 16 | 744 | 14.22% | 534 | 14.95% | 206 | 12.53% |
| 17 | 801 | 15.31% | 532 | 14.90% | 267 | 16.24% |
| 18 | 895 | 17.10% | 579 | 16.21% | 312 | 18.98% |
| 19 | 358 | 6.84% | 246 | 6.89% | 109 | 6.63% |
| 20 | 51 | 0.97% | 39 | 1.09% | 12 | 0.73% |
| 21 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 22 | 1 | 0.02% | 1 | 0.03% | 0 | 0.00% |
| 23 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| Missing |
2
(0.04%) |
– |
2
(0.06%) |
– |
0
(0.00%) |
– |
| Total | 5235 | 100% | 3573 | 100% | 1644 | 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.