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 RsFemaleMale
Mean (Std. Dev.) 2007.58 (1.64) 2007.59 (1.66) 2007.56 (1.60)
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 0.01% 1 0.02% 0 0.00%
1988 0 0.00% 0 0.00% 0 0.00%
1990 1 0.01% 1 0.02% 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 0.01% 1 0.02% 0 0.00%
1999 0 0.00% 0 0.00% 0 0.00%
2000 1 0.01% 1 0.02% 0 0.00%
2001 0 0.00% 0 0.00% 0 0.00%
2002 7 0.07% 6 0.09% 1 0.03%
2003 30 0.32% 21 0.32% 9 0.31%
2004 135 1.42% 117 1.79% 18 0.62%
2005 748 7.88% 503 7.68% 244 8.35%
2006 1563 16.46% 1048 16.00% 512 17.52%
2007 2182 22.98% 1453 22.18% 725 24.81%
2008 2061 21.71% 1462 22.31% 597 20.43%
2009 1383 14.57% 999 15.25% 380 13.00%
2010 1168 12.30% 801 12.23% 362 12.39%
2011 214 2.25% 138 2.11% 74 2.53%
Missing 7
(0.07%)
5
(0.08%)
2
(0.07%)
Total 9502 100% 6557 100% 2924 100%

dates (year or date__year)
 All RsFemaleMale
Mean (Std. Dev.) 2007.53 (1.66) 2007.51 (1.67) 2007.55 (1.62)
1980 0 0.00% 0 0.00% 0 0.00%
1981 1 0.01% 1 0.02% 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 1 0.01% 1 0.02% 0 0.00%
2000 3 0.03% 2 0.03% 1 0.04%
2001 1 0.01% 1 0.02% 0 0.00%
2002 9 0.10% 8 0.13% 1 0.04%
2003 42 0.49% 31 0.52% 11 0.42%
2004 148 1.72% 114 1.91% 34 1.29%
2005 707 8.20% 504 8.46% 201 7.62%
2006 1430 16.60% 961 16.13% 465 17.63%
2007 1974 22.91% 1321 22.17% 649 24.61%
2008 1841 21.36% 1314 22.05% 525 19.91%
2009 1275 14.80% 919 15.42% 353 13.39%
2010 1031 11.96% 687 11.53% 338 12.82%
2011 154 1.79% 94 1.58% 59 2.24%
Missing 71
(0.82%)
41
(0.68%)
30
(1.12%)
Total 8688 100% 5999 100% 2667 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.