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.) | 2007.66 (1.64) | 2007.65 (1.68) | 2007.67 (1.55) | |||
| 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 | 1 | 0.04% | 1 | 0.06% | 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 | 1 | 0.04% | 1 | 0.06% | 0 | 0.00% |
| 2001 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2002 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2003 | 1 | 0.04% | 1 | 0.06% | 0 | 0.00% |
| 2004 | 21 | 0.86% | 20 | 1.23% | 1 | 0.13% |
| 2005 | 185 | 7.60% | 126 | 7.73% | 59 | 7.42% |
| 2006 | 395 | 16.22% | 260 | 15.96% | 134 | 16.86% |
| 2007 | 538 | 22.09% | 338 | 20.75% | 197 | 24.78% |
| 2008 | 556 | 22.83% | 381 | 23.39% | 173 | 21.76% |
| 2009 | 349 | 14.33% | 249 | 15.29% | 98 | 12.33% |
| 2010 | 338 | 13.88% | 219 | 13.44% | 117 | 14.72% |
| 2011 | 50 | 2.05% | 33 | 2.03% | 16 | 2.01% |
| Missing |
0
(0.00%) |
– |
0
(0.00%) |
– |
0
(0.00%) |
– |
| Total | 2435 | 100% | 1629 | 100% | 795 | 100% |
| dates (year or date__year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.65 (1.53) | 2007.62 (1.54) | 2007.70 (1.50) | |||
| 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 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2001 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2002 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2003 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2004 | 20 | 0.89% | 18 | 1.19% | 2 | 0.27% |
| 2005 | 161 | 7.13% | 118 | 7.79% | 42 | 5.74% |
| 2006 | 366 | 16.21% | 238 | 15.72% | 127 | 17.35% |
| 2007 | 522 | 23.12% | 342 | 22.59% | 177 | 24.18% |
| 2008 | 513 | 22.72% | 349 | 23.05% | 162 | 22.13% |
| 2009 | 351 | 15.54% | 243 | 16.05% | 105 | 14.34% |
| 2010 | 296 | 13.11% | 187 | 12.35% | 107 | 14.62% |
| 2011 | 29 | 1.28% | 19 | 1.25% | 10 | 1.37% |
| Missing |
19
(0.83%) |
– |
8
(0.53%) |
– |
11
(1.48%) |
– |
| Total | 2277 | 100% | 1522 | 100% | 743 | 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.