By Column: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
Alphabetically: Everything | Demographics | Sexual History | Attitudes | Relationships | Dating | Hookups
anal.sex.r (in Dating, Hookups and Relationships)
| 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 (anal_sex_r or hookup__anal_sex_r) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 0.02 (0.15) | 0.01 (0.11) | 0.04 (0.19) | |||
| 0 | 3150 | 97.83% | 2143 | 98.71% | 1002 | 96.16% | 
| 1 | 70 | 2.17% | 28 | 1.29% | 40 | 3.84% | 
| Missing | 18 (0.56%) | – | 8 (0.37%) | – | 2 (0.19%) | – | 
| Total | 3238 | 100% | 2179 | 100% | 1044 | 100% | 
| dates (anal_sex_r or date__anal_sex_r) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 0.02 (0.13) | 0.01 (0.10) | 0.04 (0.19) | |||
| 0 | 3193 | 98.16% | 2188 | 99.05% | 1001 | 96.34% | 
| 1 | 60 | 1.84% | 21 | 0.95% | 38 | 3.66% | 
| Missing | 17 (0.52%) | – | 6 (0.27%) | – | 2 (0.19%) | – | 
| Total | 3270 | 100% | 2215 | 100% | 1041 | 100% | 
| romances (anal_sex_r or romance__anal_sex_r) | ||||||
| All Rs | Female | Male | ||||
| Mean (Std. Dev.) | 0.08 (0.26) | 0.07 (0.25) | 0.11 (0.31) | |||
| 0 | 2135 | 92.42% | 1617 | 93.41% | 515 | 89.41% | 
| 1 | 175 | 7.58% | 114 | 6.59% | 61 | 10.59% | 
| Missing | 101 (4.19%) | – | 66 (3.67%) | – | 29 (4.79%) | – | 
| Total | 2411 | 100% | 1797 | 100% | 605 | 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.