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Table 1 Frequency of substance use (n = 1376)

From: Drug Checking: A prevention measure for a heterogeneous group with high consumption frequency and polydrug use - evaluation of zurich's drug checking services

  daily (%) 3-6 times/week (%) 1-2 times/week (%) 1-3 times/month (%)
Alcohol 8.6 19.1 40.8 14.3
Cannabis 27.2 8.5 13.8 10.9
Cocaine 2.2 3.8 12.7 17.8
Ecstasy 0.2 0.6 13.1 29.4
Amphetamines 1.1 1.4 12.1 15.7
GHB 0.5 0.5 3.8 4.8
Opiates 0.9 0.1 0.1 0.6
LSD 0.0 0.1 2.0 8.1
Mushrooms 0.1 0.0 0.3 2.0