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.) | 2007.62 (1.71) | 2007.66 (1.74) | 2007.55 (1.63) | |||
| 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 | 1 | 0.05% | 1 | 0.07% | 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 | 1 | 0.05% | 1 | 0.07% | 0 | 0.00% |
| 2003 | 10 | 0.47% | 9 | 0.62% | 1 | 0.15% |
| 2004 | 45 | 2.13% | 37 | 2.53% | 8 | 1.23% |
| 2005 | 172 | 8.13% | 119 | 8.13% | 52 | 8.01% |
| 2006 | 367 | 17.34% | 235 | 16.06% | 132 | 20.34% |
| 2007 | 375 | 17.72% | 237 | 16.20% | 137 | 21.11% |
| 2008 | 461 | 21.79% | 328 | 22.42% | 133 | 20.49% |
| 2009 | 349 | 16.49% | 258 | 17.63% | 90 | 13.87% |
| 2010 | 278 | 13.14% | 200 | 13.67% | 77 | 11.86% |
| 2011 | 57 | 2.69% | 38 | 2.60% | 19 | 2.93% |
| Missing |
3
(0.14%) |
– |
3
(0.20%) |
– |
0
(0.00%) |
– |
| Total | 2119 | 100% | 1466 | 100% | 649 | 100% |
| dates (year or date__year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.53 (1.70) | 2007.55 (1.70) | 2007.50 (1.71) | |||
| 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 | 1 | 0.05% | 1 | 0.07% | 0 | 0.00% |
| 2002 | 2 | 0.10% | 2 | 0.14% | 0 | 0.00% |
| 2003 | 17 | 0.82% | 15 | 1.05% | 2 | 0.31% |
| 2004 | 47 | 2.27% | 31 | 2.17% | 16 | 2.49% |
| 2005 | 177 | 8.53% | 120 | 8.41% | 56 | 8.72% |
| 2006 | 343 | 16.54% | 224 | 15.70% | 118 | 18.38% |
| 2007 | 430 | 20.73% | 279 | 19.55% | 150 | 23.36% |
| 2008 | 435 | 20.97% | 319 | 22.35% | 116 | 18.07% |
| 2009 | 317 | 15.28% | 239 | 16.75% | 78 | 12.15% |
| 2010 | 260 | 12.54% | 171 | 11.98% | 87 | 13.55% |
| 2011 | 45 | 2.17% | 26 | 1.82% | 19 | 2.96% |
| Missing |
14
(0.67%) |
– |
9
(0.63%) |
– |
5
(0.77%) |
– |
| Total | 2088 | 100% | 1436 | 100% | 647 | 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.