From: HaRePo (harm reduction by post): an innovative and effective harm reduction programme for people who use drugs using email, telephone, and post service
Slope (PWUD/100,000 habitants)
95% CI
Zone density 1
0.08
0.06–0.10
Zone density 2
0.05
0.04–0.06
Zone density 3
0.03–0.07
Zone density 4
0.07
0.04–0.09
Total
0.06
0.05–0.08