Table 3.
Means (and standard deviations) of sexual risk perceptions and behaviors and differences among classes
| Variable | Low expectancies (n = 110) M(SD) | Moderate drinking (n = 388) M(SD) | Regular heavy pisodes (n = 227) M(SD) | Frequent heavy episodes (n = 33) M(SD) | GzLM Wald χ2 (df = 3) |
| Unprotected sex likelihood | |||||
| Behavior | 1.91 (1.34)a | 1.99 (1.35)a | 2.39 (1.43)b | 2.55 (1.34)b | 21.18*** |
| Outcome | 0.81 (1.27) | 0.85 (1.09) | 0.95 (1.02) | 0.89 (1.08) | 2.73 |
| Condom use outcome beliefs | 4.07 (2.95)a | 5.29 (2.59)b | 5.67 (2.79)b | 4.83 (2.47)a,b | 23.43*** |
| Positive attitudes—casual sex | 3.53 (2.15)a | 4.08 (2.21)a | 4.50 (2.11)b | 5.03 (2.32)c | 27.15*** |
| Vaginal sex frequency | 10.66 (13.58) | 11.51 (15.66) | 14.19 (25.27) | 12.28 (12.49) | 3.53 |
| Condom use frequency | 1.82 (1.83) | 1.81 (1.70) | 1.87 (1.72) | 2.00 (1.63) | 0.42 |
| Number of partners past year | 2.40 (1.94)a | 2.72 (2.23)a,b | 3.28 (4.49)b | 5.84 (8.81)c | 57.91*** |
| Number of partners lifetime | 11.12 (11.48) | 13.31 (29.17) | 13.18 (15.22) | 13.53 (13.46) | 7.28 |
| Drink before sex | 1.19 (0.82) | 1.61 (0.96)b | 1.92 (1.00)c. | 2.47 (0.95)d | 87.95*** |
| Intoxicated before sex | 2.33 (1.39)a | 2.96 (1.33)b | 3.45 (1.13)c | 3.56 (0.76)c | 67.53*** |
Notes: Means with differing subscripts represent significant differences between classes at p < .05. GzLM = generalized linear model.
***
p <. 001.