By Column: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
Alphabetically: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
year
| Variable Summary | Undergrad | Freshman | Sophomore | Junior | Senior |
| Sexually active students: | Undergrad | Freshman | Sophomore | Junior | Senior |
| Casual-sexually active students: | Undergrad | Freshman | Sophomore | Junior | Senior |
| hookups (year or hookup__year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.59 (1.74) | 2007.65 (1.74) | 2007.44 (1.72) | |||
| 1981 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1984 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1985 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1986 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1988 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1993 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1999 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2000 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2001 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2002 | 5 | 0.31% | 4 | 0.35% | 1 | 0.20% |
| 2003 | 8 | 0.49% | 6 | 0.53% | 2 | 0.40% |
| 2004 | 38 | 2.33% | 31 | 2.74% | 7 | 1.41% |
| 2005 | 133 | 8.16% | 88 | 7.79% | 45 | 9.05% |
| 2006 | 279 | 17.12% | 169 | 14.96% | 108 | 21.73% |
| 2007 | 317 | 19.45% | 203 | 17.96% | 114 | 22.94% |
| 2008 | 350 | 21.47% | 261 | 23.10% | 89 | 17.91% |
| 2009 | 236 | 14.48% | 185 | 16.37% | 51 | 10.26% |
| 2010 | 205 | 12.58% | 146 | 12.92% | 59 | 11.87% |
| 2011 | 59 | 3.62% | 37 | 3.27% | 21 | 4.23% |
| Missing |
3
(0.18%) |
– |
1
(0.09%) |
– |
2
(0.40%) |
– |
| Total | 1633 | 100% | 1131 | 100% | 499 | 100% |
| dates (year or date__year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.46 (1.75) | 2007.50 (1.75) | 2007.37 (1.72) | |||
| 1980 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1981 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1982 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1985 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1989 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1990 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1991 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1992 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1993 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1994 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1995 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1996 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1997 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1998 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1999 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2000 | 1 | 0.06% | 1 | 0.09% | 0 | 0.00% |
| 2001 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2002 | 3 | 0.19% | 3 | 0.28% | 0 | 0.00% |
| 2003 | 12 | 0.78% | 8 | 0.75% | 4 | 0.85% |
| 2004 | 38 | 2.46% | 30 | 2.80% | 8 | 1.69% |
| 2005 | 151 | 9.76% | 105 | 9.79% | 46 | 9.75% |
| 2006 | 278 | 17.97% | 171 | 15.95% | 105 | 22.25% |
| 2007 | 297 | 19.20% | 193 | 18.00% | 104 | 22.03% |
| 2008 | 318 | 20.56% | 233 | 21.74% | 85 | 18.01% |
| 2009 | 230 | 14.87% | 180 | 16.79% | 50 | 10.59% |
| 2010 | 177 | 11.44% | 125 | 11.66% | 52 | 11.02% |
| 2011 | 42 | 2.71% | 23 | 2.15% | 18 | 3.81% |
| Missing |
7
(0.45%) |
– |
5
(0.46%) |
– |
2
(0.42%) |
– |
| Total | 1554 | 100% | 1077 | 100% | 474 | 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.