Fig. 2
From: First results of the French OCTOPUS survey among festival attendees: a latent class analysis
Distribution of regular use (at least monthly) of drugs according to the two latent classes. MDMA Methylenedioxymethamphetamine, LSD Lysergic acid diethylamide, NPSs New psychoactive substances. The height of the bars represents the number of persons who reported using the substance, and the proportion of persons with regular use is represented by the dark part of the bar. Missing values: 0–22% of missing values for each drug, 35% for poppers