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Multivariate Logistic Regression Analysis of Factors Associated with HIV Seropositivity
| Factor | OR [95% CI] | p-value |
| Ethnicity (Minorities versus Han majority) | 3.11 [1.67, 5.80] | <0.001 |
| Total times of sharing injecting equipments in the last 3 months | ||
| 1–9 times vs. 0 times | 2.70 [1.17, 6.22] | 0.02 |
| At least 10 times vs. 0 times | 7.45 [3.15, 17.65] | <0.001 |
