Table 3.
Interaction model: Multinomial regression of risk factors for recent IPV among heterosexual methamphetamine-using women and men in San Diego, CA, 2009–2011.
| Independent variablea | Physical-only IPVb AOR (SE; 95% CI) | Sexual IPVb AOR (SE; 95% CI) |
|---|---|---|
| Gender | 0.89 (0.98; 0.05, 2.33) | 0.34 (0.73; 0.08, 1.40) |
| ref (0): Female; 1: Male | ||
| Age | 1.01 (0.02; 0.96, 1.05) | 1.01 (0.02; 0.96, 1.04) |
| Race/ethnicity | 0.52 (0.46; 0.21, 1.26) | 0.52 (0.46; 0.21, 1.26) |
| ref (0): White, 1: African American, 2: Hispanic, 3: Other | ||
| Annual income | 0.89 (0.45; 0.37, 2.18) | 0.56 (0.48; 0.22,1.43) |
| ref (0): <$10,000; 1: ≥ $10,000 | ||
| Depression score | 1.01 (0.02; 0.98, 1.05) | 1.02 (0.02; 0.98, 1.05) |
| Average social support | 0.69 (0.17; 0.47, 0.90)* | 0.34 (0.47; 0.10, 0.64)* |
| Interaction term: Average social support *Gender | 1.31 (0.75; 0.30, 5.69) | 2.26 (0.73; 0.54, 9.51) |
| Sexual relationship power | 0.84 (0.36; 0.42, 1.70) | 1.60 (0.37; 0.77, 3.30) |
| Unprotected sex in past two months | 1.00 (0.01; 0.97, 1.01) | 1.00 (0.01; 0.99, 1.02) |
| Meth use in the last 30 days | 1.00 (0.02; 0.96, 1.05) | 1.01 (0.02; 0.96, 1.05) |
| Number of sex partners | 1.01 (0.04; 0.94, 1.09) | 1.04 (0.03; 0.98, 1.11) |
| Risky sexual behaviors while high on meth | 1.58 (0.20; 1.06, 2.35)* | 1.68 (0.20; 1.13, 2.51)* |
| ref (0): Unlikely to engage in risky sexual behaviors while high on meth; 1: Likely to engage in risky sexual behaviors while high on meth | ||
| Interaction term: | 0.77 (0.19; 0.45, 0.96)* | 1.19 (0.36; 0.59, 2.40) |
| Risky sexual behaviors while high on meth* Gender | ||
IPV intimate partner violence.
a
Variables without a description are continuous. Scoring is further described in the Methods section.
b
Reference group (0): no recent IPV; 1: recent physical IPV only; 2: recent sexual IPV (with/without recent physical IPV).
*
p < 0.05.