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.) | 2007.41 (28.55) | 2007.46 (28.03) | 2007.28 (29.82) | |||
| 0 | 3 | 0.02% | 2 | 0.02% | 1 | 0.02% |
| 2005 | 161 | 1.08% | 116 | 1.13% | 45 | 0.99% |
| 2006 | 3154 | 21.20% | 2123 | 20.62% | 1025 | 22.54% |
| 2007 | 4689 | 31.52% | 3090 | 30.02% | 1588 | 34.92% |
| 2008 | 1908 | 12.83% | 1409 | 13.69% | 496 | 10.91% |
| 2009 | 2619 | 17.61% | 1929 | 18.74% | 686 | 15.09% |
| 2010 | 924 | 6.21% | 635 | 6.17% | 287 | 6.31% |
| 2011 | 1418 | 9.53% | 990 | 9.62% | 419 | 9.21% |
| Missing |
5255
(26.10%) |
– |
3719
(26.54%) |
– |
1522
(25.08%) |
– |
| Total | 20131 | 100% | 14013 | 100% | 6069 | 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.