TABLE 2.
Factors associated with the growth index of HIV-1 transmission clusters using overall models
| Characteristics | Cluster growth ≥ 1.57 |
Cluster growth ≥ 5.28 |
||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | |
| Gender | ||||
| Male | ref | ref | ||
| Female | 0.267 (0.146, 0.490) | <0.001 | 0.072 (0.016, 0.319) | <0.001 |
| Age group | ||||
| Below 20 | 1.279 (0.771, 2.121) | 0.341 | 1.323 (0.675, 2.591) | 0.323 |
| 21~30 | ref | ref | ||
| 31~40 | 0.906 (0.687, 1.193) | 0.482 | 0.956 (0.655, 1.394) | 0.779 |
| 41~ | 0.565 (0.393, 0.811) | 0.002 | 0.747 (0.445, 1.256) | 0.186 |
| Marital status | ||||
| Unmarried | ref | ref | ||
| Married | 1.132 (0.824, 1.555) | 0.445 | 1.239 (0.793, 1.937) | 0.199 |
| Divorced | 1.315 (0.795, 2.174) | 0.286 | 1.537 (0.756, 3.126) | 0.251 |
| Not disclosed | 1.167 (0.614, 2.219) | 0.638 | 0.612 (0.210, 1.780) | 0.540 |
| Education level | ||||
| Primary or below | ref | ref | ||
| Junior or high | 1.018 (0.655, 1.582) | 0.935 | 1.020 (0.550, 1.893) | 0.728 |
| College or others | 1.137 (0.697, 1.855) | 0.607 | 1.056 (0.539, 2.068) | 0.975 |
| Not disclosed | 1.292 (0.590, 2.831) | 0.522 | 0.228 (0.062, 0.842) | 0.612 |
| Occupation | ||||
| Unskilled work | ref | ref | ||
| Skilled/professional work | 1.630 (1.086, 2.448) | 0.018 | 1.200 (0.688, 2.092) | 0.157 |
| Students | 1.060 (0.637, 1.765) | 0.822 | 1.018 (0.513, 2.019) | 0.436 |
| Unemployment | 0.899 (0.633, 1.275) | 0.549 | 1.014 (0.629, 1.634) | 0.141 |
| Not disclosed | 1.024 (0.776, 1.352) | 0.867 | 1.225 (0.828, 1.813) | 0.936 |
| Infection routes | ||||
| MSM | ref | ref | ||
| HET | 0.323 (0.226, 0.461) | <0.001 | 0.192 (0.119, 0.310) | <0.001 |
| PWID | 0.044 (0.027, 0.072) | <0.001 | 0.025 (0.012, 0.052) | <0.001 |
| Genotypes | ||||
| B | 0.074 (0.027, 0.202) | <0.001 | ||
| CRF01_AE | ref | |||
| CRF07_BC | 14.113 (11.160, 17.847) | <0.001 | ref | |
| CRF55_01B | 41.170 (26.942, 62.911) | <0.001 | 0.014 (0.008, 0.024) | <0.001 |