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.) | 2007.56 (1.46) | 2007.55 (1.45) | 2007.57 (1.49) | |||
| 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 | 1 | 0.03% | 1 | 0.05% | 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 | 2 | 0.07% | 0 | 0.00% | 2 | 0.22% |
| 2004 | 1 | 0.03% | 1 | 0.05% | 0 | 0.00% |
| 2005 | 206 | 7.03% | 128 | 6.31% | 78 | 8.67% |
| 2006 | 442 | 15.09% | 322 | 15.88% | 120 | 13.33% |
| 2007 | 893 | 30.48% | 624 | 30.77% | 269 | 29.89% |
| 2008 | 633 | 21.60% | 445 | 21.94% | 188 | 20.89% |
| 2009 | 410 | 13.99% | 280 | 13.81% | 130 | 14.44% |
| 2010 | 307 | 10.48% | 206 | 10.16% | 99 | 11.00% |
| 2011 | 35 | 1.19% | 21 | 1.04% | 14 | 1.56% |
| Missing |
1
(0.03%) |
– |
1
(0.05%) |
– |
0
(0.00%) |
– |
| Total | 2931 | 100% | 2029 | 100% | 900 | 100% |
| dates (year or date__year) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 2007.58 (1.56) | 2007.56 (1.60) | 2007.63 (1.46) | |||
| 1980 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 1981 | 1 | 0.04% | 1 | 0.06% | 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 | 0.04% | 0 | 0.00% | 1 | 0.15% |
| 2001 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% |
| 2002 | 1 | 0.04% | 1 | 0.06% | 0 | 0.00% |
| 2003 | 2 | 0.09% | 2 | 0.13% | 0 | 0.00% |
| 2004 | 5 | 0.22% | 4 | 0.25% | 1 | 0.15% |
| 2005 | 145 | 6.42% | 103 | 6.50% | 42 | 6.23% |
| 2006 | 345 | 15.27% | 251 | 15.84% | 94 | 13.95% |
| 2007 | 666 | 29.47% | 458 | 28.90% | 208 | 30.86% |
| 2008 | 486 | 21.50% | 345 | 21.77% | 141 | 20.92% |
| 2009 | 324 | 14.34% | 224 | 14.13% | 100 | 14.84% |
| 2010 | 257 | 11.37% | 178 | 11.23% | 78 | 11.57% |
| 2011 | 27 | 1.19% | 18 | 1.14% | 9 | 1.34% |
| Missing |
30
(1.31%) |
– |
18
(1.12%) |
– |
12
(1.75%) |
– |
| Total | 2290 | 100% | 1603 | 100% | 686 | 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.