Table 1.
Bivariate and multivariate logistic regression odds ratios (OR) with 95% confidence intervals (CI) for event-level factors associated with anal sex and condom use during anal sex among (N=387) adolescent women.
| Anal Sex | Condom Use During Anal Sex | |||
|---|---|---|---|---|
| Bivariate | Multivariate | Bivariate | Multivariate | |
| Factors | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) |
| Demographic Factors | 1.22 (1.18 – 1.26)* | 1.08 (1.04 – 1.13)* | 1.22 (1.12 – 1.34)* | 1.11 (0.91 – 1.27) |
| Age | 1.22 (1.18 – 1.26)* | 1.08 (1.04 – 1.13)* | 1.22 (1.12 – 1.34)* | 1.11 (0.91 – 1.27) |
| Situational Factors | ||||
| Vaginal Bleeding (Yes) | 1.67 (1.49 – 1.92)* | 1.49 (1.04 – 2.13)* | 0.68 (0.33 – 1.40) | - |
| Alcohol Use (Yes) | 2.79 (2.04 – 3.88)* | 1.22 (0.85 – 1.76) | 0.80 (0.39 – 1.63) | - |
| Marijuana Use (Yes) | 2.01 (1.59 – 2.56)* | 0.97 (0.73 – 1.30) | 0.56 (0.31 – 1.00) | - |
| Relational Factors | ||||
| Partner Support | 0.25 (0.20 – 0.30)* | 0.91 (0.85 – 0.97)* | 0.78 (0.71 – 0.86)* | 1.09 (0.89 – 1.34) |
| Partner Negativity | 1.23 (1.16 – 1.30)* | 1.11 (1.02 –1.21)* | 0.73 (0.60 – 0.89)* | 0.71 (0.48 – 1.04) |
| Intrapersonal Factors | ||||
| Positive Mood | 0.94 (0.90 – 0.99)* | 0.96 (0.93 – 0.99)* | 0.91 (0.86 – 0.90)* | 1.01 (0.89 – 1.15) |
| Negative Mood | 1.06 (1.03 – 1.10)* | 1.05 (1.01 – 1.09)* | 0.90 (0.84 – 0.90* | 1.09 (0.97 – 1.23) |
| Feeling In Love | 1.28 (1.22 – 1.34)* | 0.99 (0.91 – 1.09) | 0.74 (0.66 – 0.84)* | 0.67 (0.50 – 0.88)* |
| Sexual Interest | 1.65 (1.56 – 1.75)* | 1.18 (1.09 – 1.29)* | 0.66 (0.54 – 0.76)* | 1.27 (0.95 – 1.70) |
| Behavioral Factors: Recent | ||||
| Condom-Protected Anal Sex (Past 7 days: Yes) | - | - | 2.36 (1.59 – 3.50)* | 2.77 (1.17 – 6.56)* |
| Condom-Protected Vaginal sex (Past 7 days: Yes) | - | - | 4.79 (3.12 – 7.36)* | 0.75 (0.27 – 2.11) |
| Anal Sex (Past 7 days: Yes) | 47.29 (39.28 – 56.35)* | 22.76 (17.84 – 29.02)* | - | |
| Vaginal sex (Past 7 days: Yes) | 0.58 (0.49 – 0.69)* | 0.69 (0.53 – 0.89)* | - | |
| Behavioral Factors: Within-Day | ||||
| Condom Protected Vaginal sex (Yes) | - | - | 5.52 (3.99 – 7.64)* | 5.80 (3.56 – 9.46)* |
| Fellatio (Yes) | 39.51 (33.25 – 46.95)* | 2.95 (2.10 – 4.13)* | 0.17 (0.11 – 0.27)* | 0.63 (0.29 – 1.41) |
| Cunnilingus (Yes) | 31.45 (26.44 – 37.25)* | 1.54 (1.10 – 2.16)* | 0.29 (0.19 – 0.95)* | 0.71 (0.35 – 1.46) |
| Vaginal sex (Yes) | 39.52 (32.51 – 48.03)* | 18.52 (13.16 – 26.06)* | - | - |
*
p<.05; only factors significant in bivariate models were retained in multivariate models. No other variables were added to multivariate models.