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.) | 2007.37 (32.91) | 2007.94 (1.64) | 2006.13 (58.45) | |||
| 0 | 1 | 0.03% | 0 | 0.00% | 1 | 0.08% |
| 2005 | 40 | 1.07% | 28 | 1.10% | 12 | 1.02% |
| 2006 | 771 | 20.66% | 521 | 20.54% | 248 | 21.00% |
| 2007 | 1109 | 29.72% | 704 | 27.76% | 402 | 34.04% |
| 2008 | 462 | 12.38% | 335 | 13.21% | 125 | 10.58% |
| 2009 | 692 | 18.55% | 505 | 19.91% | 185 | 15.66% |
| 2010 | 224 | 6.00% | 144 | 5.68% | 79 | 6.69% |
| 2011 | 432 | 11.58% | 299 | 11.79% | 129 | 10.92% |
| Missing |
1504
(28.73%) |
– |
1037
(29.02%) |
– |
463
(28.16%) |
– |
| 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.