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. 2023 Aug 4;20:106. doi: 10.1186/s12954-023-00837-3

Table 2.

Amount of data sets provided through questionnaires

Information Data points collected No data provided
Bought as Heroin 319 (62.2%) 33 (6.4%)
Cocaine 150 (29.2%)
heroin + cocaine 8 (1.6%)
other (methadone, synthetic THC) 3 (0.6%)
Price paid for the drug 275 (53.6%) 238 (46.4%)
Expected effects 96 (18.7%) 417 (81.3%)
Experienced effects 82 (16.0%) 431 (84.0%)
Estimated potency 235 (45.8%) 278 (54.2%)