{"id":"W2539430288","doi":"10.17269/cjph.107.5747","title":"Vaporizing cannabis through e-cigarettes: Prevalence and socio-demographic correlates among Ontario high school students","year":2016,"lang":"en","type":"letter","venue":"Canadian Journal of Public Health","topic":"Cannabis and Cannabinoid Research","field":"Medicine","cited_by":25,"is_retracted":false,"has_abstract":false,"ca_institutions":"Centre for Addiction and Mental Health","funders":"","keywords":"Cannabis; Demography; Environmental health; Psychology; Geography; Medicine; Psychiatry; Sociology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002578353,0.0001443772,0.0003506202,0.000734937,0.00294182,0.0009937765,0.000594729,0.001159855,0.002550542],"category_scores_gemma":[0.001304128,0.000344737,0.0003500528,0.00179268,0.0005766991,0.0003943568,0.0004478705,0.001268647,0.0004071262],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.007429624,"about_ca_system_score_gemma":0.01102923,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9209884,"about_ca_topic_score_gemma":0.9736522,"domain_scores_codex":[0.9993574,0.00003608279,0.00005195466,0.00005246037,0.0002857133,0.00021642],"domain_scores_gemma":[0.9982377,0.0001122897,0.0002927792,0.00003479036,0.0007562842,0.00056624],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002395621,0.00006973434,0.9933261,0.00001647314,0.000009907691,0.000503776,0.001175228,0.0000101445,0.0002063719,0.00003783812,0.002412521,0.002207845],"study_design_scores_gemma":[0.000004166108,0.00002518891,0.9943083,0.00002782219,0.0000112103,0.0001649277,0.003824953,0.00006028357,0.00003328832,0.0000211348,0.001511601,0.000007062446],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9852521,0.0004112177,0.00003727545,0.007562911,0.00006911029,0.00003456934,0.001156167,0.000007227114,0.0054695],"genre_scores_gemma":[0.9925573,0.0005397713,0.00007375622,0.00189167,0.00007149755,0.0000196302,0.0002837045,0.000004245741,0.004558529],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07901162,"threshold_uncertainty_score":0.1589538,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03379103673357854,"score_gpt":0.3021632459695323,"score_spread":0.2683722092359537,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}