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.) | 2007.78 (1.58) | 2007.83 (1.58) | 2007.68 (1.57) | |||
| 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2005 | 76 | 1.17% | 57 | 1.29% | 19 | 0.91% |
| 2006 | 1461 | 22.50% | 957 | 21.74% | 501 | 24.12% |
| 2007 | 1992 | 30.67% | 1263 | 28.68% | 726 | 34.95% |
| 2008 | 843 | 12.98% | 627 | 14.24% | 214 | 10.30% |
| 2009 | 1097 | 16.89% | 805 | 18.28% | 291 | 14.01% |
| 2010 | 466 | 7.18% | 308 | 7.00% | 156 | 7.51% |
| 2011 | 559 | 8.61% | 386 | 8.77% | 170 | 8.18% |
| Missing |
2073
(24.20%) |
– |
1419
(24.37%) |
– |
649
(23.81%) |
– |
| Total | 8567 | 100% | 5822 | 100% | 2726 | 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.