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Table 1 Demographic and cannabis use characteristics of 999 college undergraduate students

From: Overbaked: assessing and predicting acute adverse reactions to Cannabis

 Mean (Standard Error [SE])Range
Age (years)20.94 (0.14)18–61
Education (years of university)2.16 (0.04)1–6
Cannabis Use in Past Month (days)8.42 (0.33)0–31
Cannabis Use in Past Week (days)2.02 (0.08)0–7
Age of First Cannabis Use (years)16.71 (0.07)1–34
Duration of Cannabis Use (years)3.27 (0.11)0–35
Quantity of Cannabis Used per Week (grams)2.17 (0.14)0–28
Cannabis Potency (% THC)4.63 (0.08)1–7
% of Respondents
 White72.7% 
 Female72.7% 
 Medical Cannabis Use5.2% 
 Primary Method of Administration Inhalation73.4% 
 Primary Method of Administration Edibles11.4% 
  1. The scale used to measure cannabis potency/%THC was as follows 1 = 0–4%, 2 = 5–9%, 3 = 10–14%, 4 = 15–19%, 5 = 20–24%, 6 = 25–30%, 7 = > 30%