Table IV.
Injection equipment sharing among male IDU participants in Seattle-area NHBS IDU and MSM surveys, 2008–2012; with logistic regression results
| IDU | Amphet.-injecting MSM/IDU | Other MSM/IDU | p-values (Across all groups) | |
|---|---|---|---|---|
|
| ||||
|
Previous 12 months
| ||||
| Receptive needle sharing | p=2·10−4 (multivariate) | |||
| % shared needle | 30% | 8% | 35% | |
| n/N | 192/649 | 7/89 | 23/66 | |
| OR | 6.80 | 1.00 | 10.50 | |
| 95% Conf. Interval | (1.89–24.46) | Reference | (2.60–42.2) | |
|
| ||||
| Backloaded | p=0.03 (multivariate) | |||
| % backloaded | 29% | 10% | 33% | |
| n/N | 187/649 | 9/88 | 22/66 | |
| OR | 2.98 | 1.00 | 4.28 | |
| 95% Conf. Interval | (1.05–8.44) | Reference | (1.30–14.13) | |
|
| ||||
|
With last injection partner
| ||||
| Receptive needle sharing | p=0.03 (univariate) | |||
| % shared needle | 8% | 2% | 14% | |
| n/N | 53/645 | 2/88 | 9/66 | |
|
| ||||
| Backloaded | p=0.01 (univariate) | |||
| % backloaded | 8% | 1% | 14% | |
| n/N | 53/645 | 1/88 | 9/66 | |