Low exposurea | High exposureb | Time × exposure to one-to-one peer education sessions | p value | |||
---|---|---|---|---|---|---|
2009–2010 (%) | 2010–2011 (%) | 2009–2010 (%) | 2010–2011 (%) | Adjusted OR (95% CI) | ||
All participantsc (shared needles (n = 710)) | 42.1 | 15.5 | 49.1 | 10.9 | 0.5 (0.3–0.8) | 0.003 |
Subgroup analysis by frequency of injecting drugs | ||||||
Among low frequency IDUsd,e (shared needles (n = 350)) | 42.3 | 8.1 | 50.7 | 8.2 | 0.7 (0.3–1.8) | 0.492 |
Among high frequency IDUse,f (shared needles (n = 360)) | 42.8 | 19.9 | 45.4 | 13.9 | 0.6 (0.3–0.9) | 0.043 |