From: Distributing foil from needle and syringe programmes (NSPs) to promote transitions from heroin injecting to chasing: An evaluation
Pre-pilot period
Pilot period
Increase in visits
NSP 1
1105
1433
29.7%
NSP 2
187
211
12.8%
NSP 3
196
242
23.5%
NSP 4
184
330
79.3%
Total
1672
2216
32.5%