highly significantp<0.001
Correlation between harm reduction use and HIV knowledge was highly significant at the individual level (p<0.001), but there was no correlation at the city level.
Correlation between harm reduction use and HIV knowledge was highly significant at the individual level (p<0.001), but there was no correlation at the city level.
The association between city-level prevalence of the two viruses was analysed using the Spearman rank correlation and found to be marginally significant (r s =0.62, p=0.05).