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.) | 2007.70 (1.64) | 2007.69 (1.69) | 2007.72 (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 | 0.05% | 1 | 0.08% | 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 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2003 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2004 | 12 | 0.64% | 11 | 0.91% | 1 | 0.15% |
| 2005 | 136 | 7.25% | 94 | 7.80% | 42 | 6.33% |
| 2006 | 295 | 15.72% | 184 | 15.27% | 110 | 16.57% |
| 2007 | 438 | 23.34% | 263 | 21.83% | 173 | 26.05% |
| 2008 | 409 | 21.79% | 273 | 22.66% | 134 | 20.18% |
| 2009 | 269 | 14.33% | 183 | 15.19% | 85 | 12.80% |
| 2010 | 275 | 14.65% | 169 | 14.02% | 104 | 15.66% |
| 2011 | 42 | 2.24% | 27 | 2.24% | 15 | 2.26% |
| Missing |
0
(0.00%) |
– |
0
(0.00%) |
– |
0
(0.00%) |
– |
| Total | 1877 | 100% | 1205 | 100% | 664 | 100% |
| dates (year or date__year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.66 (1.54) | 2007.61 (1.55) | 2007.74 (1.53) | |||
| 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 | 11 | 0.68% | 10 | 0.95% | 1 | 0.18% |
| 2005 | 114 | 7.01% | 86 | 8.15% | 28 | 4.97% |
| 2006 | 272 | 16.73% | 170 | 16.11% | 101 | 17.94% |
| 2007 | 389 | 23.92% | 240 | 22.75% | 148 | 26.29% |
| 2008 | 347 | 21.34% | 241 | 22.84% | 103 | 18.29% |
| 2009 | 243 | 14.94% | 159 | 15.07% | 82 | 14.56% |
| 2010 | 227 | 13.96% | 135 | 12.80% | 91 | 16.16% |
| 2011 | 23 | 1.41% | 14 | 1.33% | 9 | 1.60% |
| Missing |
12
(0.73%) |
– |
5
(0.47%) |
– |
7
(1.23%) |
– |
| Total | 1638 | 100% | 1060 | 100% | 570 | 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.