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 (1.68) | 2007.68 (1.67) | 2007.61 (1.70) | |||
| 1981 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1984 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1985 | 1 | 0.03% | 0 | 0.00% | 1 | 0.10% |
| 1986 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1987 | 1 | 0.03% | 1 | 0.05% | 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 | 0.03% | 1 | 0.05% | 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 | 0.03% | 1 | 0.05% | 0 | 0.00% |
| 2004 | 25 | 0.77% | 24 | 1.10% | 1 | 0.10% |
| 2005 | 243 | 7.50% | 163 | 7.48% | 80 | 7.66% |
| 2006 | 546 | 16.86% | 363 | 16.66% | 182 | 17.43% |
| 2007 | 708 | 21.87% | 442 | 20.28% | 261 | 25.00% |
| 2008 | 718 | 22.17% | 495 | 22.72% | 220 | 21.07% |
| 2009 | 467 | 14.42% | 334 | 15.33% | 130 | 12.45% |
| 2010 | 455 | 14.05% | 303 | 13.91% | 150 | 14.37% |
| 2011 | 72 | 2.22% | 52 | 2.39% | 19 | 1.82% |
| Missing |
0
(0.00%) |
– |
0
(0.00%) |
– |
0
(0.00%) |
– |
| Total | 3238 | 100% | 2179 | 100% | 1044 | 100% |
| dates (year or date__year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.70 (1.55) | 2007.69 (1.57) | 2007.72 (1.49) | |||
| 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 | 2 | 0.06% | 2 | 0.09% | 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 | 0.03% | 1 | 0.05% | 0 | 0.00% |
| 2004 | 22 | 0.68% | 20 | 0.91% | 2 | 0.19% |
| 2005 | 218 | 6.71% | 159 | 7.21% | 58 | 5.64% |
| 2006 | 521 | 16.04% | 348 | 15.78% | 171 | 16.62% |
| 2007 | 738 | 22.72% | 478 | 21.68% | 257 | 24.98% |
| 2008 | 720 | 22.17% | 496 | 22.49% | 221 | 21.48% |
| 2009 | 521 | 16.04% | 364 | 16.51% | 154 | 14.97% |
| 2010 | 459 | 14.13% | 302 | 13.70% | 155 | 15.06% |
| 2011 | 46 | 1.42% | 35 | 1.59% | 11 | 1.07% |
| Missing |
22
(0.67%) |
– |
10
(0.45%) |
– |
12
(1.15%) |
– |
| Total | 3270 | 100% | 2215 | 100% | 1041 | 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.