Table 3. Factors Predicting Interest in MPTs in the Bivariable and Multivariable Analyses.
| Characteristic | Interest | No Interest | OR (95% CI) | Adjusted OR (95% CI) |
|---|---|---|---|---|
| Age (in years) | -- | -- | 0.98 (0.92, 1.04) | |
| Race or ethnicity: | ||||
| White/Caucasian | 452 (82.3) | 97 (17.7) | ||
| Black/African American | 160 (81.2) | 37 (18.8) | 0.93 (0.61, 1.41) | |
| Other | 80 (89.9) | 9 (10.1) | 1.91 (0.93, 3.93) | |
| Highest level of education: | ||||
| Less than Bachelors Degree | 321 (80.0) | 80 (20.0) | 0.68 (0.47, 0.98)* | 0.78 (0.54, 1.19) |
| Bachelors Degree or higher | 371 (85.5) | 62 (14.5) | ||
| Geographic location: (n = 778) | ||||
| Northeast | 68 (89.5) | 8 (10.5) | -- | |
| South | 275 (83.6) | 54 (16.4) | 0.60 (0.27, 1.32) | |
| Midwest | 141 (81.0) | 33 (19.0) | 0.50 (0.22, 1.15) | |
| West | 165 (82.9) | 34 (17.1) | 0.57 (0.25, 1.30) | |
| Type of Community: (n = 759) | ||||
| Urban | 584 (83.5) | 115 (16.5) | 1.41 (0.74, 2.68) | |
| Rural | 47 (78.3) | 13 (21.7) | ||
| Relationship status: | ||||
| Single | 150 (88.8) | 19 (11.2) | 1.81 (1.08, 3.03)* | 1.43 (0.79, 2.62) |
| In a Relationship | 542 (81.4) | 124 (18.6) | ||
| Oral Sexual Activity | ||||
| Yes | 615 (84.1) | 116 (15.9) | 1.86 (1.14, 3.04)* | 1.87 (1.07, 3.53)* |
| No | 74 (74.0) | 26 (26.0) | ||
| Anal Sexual Activity | ||||
| Yes | 191 (86.4) | 30 (13.6) | 1.43 (0.92, 2.21) | |
| No | 691 (83.0) | 142 (17.0) | ||
| Frequency of use of contraception: | ||||
| All the time | 413 (89.4) | 49 (10.6) | -- | |
| Some of the time | 198 (83.2) | 40 (16.8) | 0.59 (0.37, 0.92)* | 0.63 (0.37, 1.08) |
| Never | 80 (60.2) | 53 (39.8) | 0.18 (0.11, 0.28)** | 0.31 (0.17, 0.58)** |
| Condoms (male and female) | ||||
| Yes | 417 (85.6) | 70 (14.4) | 1.58 (1.10, 2.27)* | 0.82 (0.45, 1.51) |
| No | 275 (79.0) | 73 (21.0) | ||
| Vaginal Ring | ||||
| Yes | 26 (83.9) | 5 (16.1) | 1.08 (0.41, 2.86) | |
| No | 666 (82.8) | 138 (17.2) | ||
| Oral Contraceptive Pills | ||||
| Yes | 331 (90.2) | 36 (9.8) | 2.73 (1.82, 4.09)** | 1.78 (1.08, 2.93)* |
| No | 361 (77.1) | 107 (22.9) | ||
| Injections | ||||
| Yes | 29 (90.6) | 3 (9.4) | 2.04 (0.61, 6.80) | |
| No | 663 (82.6) | 140 (17.4) | ||
| Implant | ||||
| Yes | 33 (80.5) | 8 (19.5) | 0.84 (0.38, 1.87) | |
| No | 659 (83.0) | 135 (17.0) | ||
| Intrauterine Device | ||||
| Yes | 54 (94.7) | 3 (5.3) | 3.95 (1.22, 12.81)* | 3.39 (0.95, 12.10) |
| No | 638 (82.0) | 140 (18.0) | ||
| Any Form of Contraception | ||||
| Yes | 620 (87.0) | 93 (13.0) | 4.63 (3.31, 7.06)** | Excluded from model |
| No | 72 (59.0) | 50 (41.0) | ||
| Condom at last sex | ||||
| Yes | 302 (86.8) | 46 (13.2) | 1.62 (1.11, 2.38)* | 1.48 (0.81, 2.69) |
| No | 389 (80.2) | 96 (19.8) | ||
| >1 sexual partner | ||||
| Yes | 135 (85.4) | 23 (14.6) | 1.27 (0.78, 2.05) | |
| No | 557 (82.3) | 120 (17.7) | ||
| Sex with casual partner | ||||
| Yes | 187 (85.8) | 31 (14.2) | 1.33 (0.86, 2.05) | |
| No | 503 (81.9) | 111 (18.1) | ||
| Sex with HIV+ partner | ||||
| Yes | 14 (66.7) | 7 (33.3) | 0.40 (0.16, 1.02) | |
| No | 674 (83.2) | 136 (16.8) | ||
| Anal sex without a condom | ||||
| Yes | 152 (86.9) | 23 (13.1) | 1.46 (0.90, 2.36) | |
| No | 539 (81.9) | 119 (18.1) | ||
| WASO Scale: HIV (2 to 8) | -- | -- | 1.24 (0.94, 1.64) | |
| HIV test within the past year (n = 807) | ||||
| Yes | 246 (89.5) | 29 (10.5) | 2.16 (1.39, 3.35)** | 2.10 (1.29, 3.40)* |
| No | 424 (79.7) | 108 (20.3) | ||
| WASO Scale: STI (2 to 8) | -- | -- | 2.12 (1.54, 2.93)** | 1.98 (1.36, 2.86)** |
| History of infection with an STI | ||||
| Yes | 122 (89.7) | 14 (10.3) | 1.97 (1.10, 3.54)* | 1.89 (0.93, 3.85) |
| No | 570 (81.5) | 129 (18.5) | ||
| WASO Scale: Pregnancy (2 to 8) | -- | -- | 1.18 (1.01, 1.39)* | 1.14 (0.95, 1.37) |
| History of unintended pregnancy | ||||
| Yes | 162 (81.4) | 37 (18.6) | 0.88 (0.58, 1.33) | |
| No | 528 (83.3) | 106 (16.7) |
Odds ratios calculated in bivariable analysis with n = 830 to 835 except where otherwise specified; Adjusted odds ratios calculated using multivariable logistic regression with n = 788; Reported behaviors in the past three months except history of unintended pregnancy and STIs; CI = confidence interval; OR = odds ratio; HIV = human immunodeficiency virus; STI = sexually transmitted infection; WASO = worry about sexual outcomes score;
*
Significant to 0.05;
**
Significant to 0.001.