By Column: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
Alphabetically: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
signature.year (in Demographics)
| 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 (signature_year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.80 (1.65) | 2007.90 (1.67) | 2007.57 (1.58) | |||
| 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2005 | 25 | 1.04% | 18 | 1.10% | 7 | 0.93% |
| 2006 | 635 | 26.48% | 414 | 25.27% | 219 | 29.05% |
| 2007 | 595 | 24.81% | 358 | 21.86% | 235 | 31.17% |
| 2008 | 329 | 13.72% | 235 | 14.35% | 94 | 12.47% |
| 2009 | 441 | 18.39% | 342 | 20.88% | 99 | 13.13% |
| 2010 | 111 | 4.63% | 79 | 4.82% | 32 | 4.24% |
| 2011 | 262 | 10.93% | 192 | 11.72% | 68 | 9.02% |
| Missing |
959
(28.57%) |
– |
707
(30.15%) |
– |
251
(24.98%) |
– |
| Total | 3357 | 100% | 2345 | 100% | 1005 | 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.