{"id":"W4255186410","doi":"10.1007/bf03404870","title":"Illicit Substance Use Among Canadian Youth: Trends Between 2002 and 2008","year":2011,"lang":"en","type":"article","venue":"Canadian Journal of Public Health","topic":"Substance Abuse Treatment and Outcomes","field":"Medicine","cited_by":19,"is_retracted":false,"has_abstract":false,"ca_institutions":"Cancer Care Ontario; Impact; University of Waterloo","funders":"University of Waterloo; Cancer Care Ontario","keywords":"Cannabis; Substance use; MDMA; Medical prescription; Medicine; Monitoring the Future; Environmental health; Illicit drug; Substance abuse; Psychiatry; Drug","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0005520649,0.0005148801,0.0005373714,0.004694282,0.002610699,0.001800731,0.001429199,0.0008366968,0.002796335],"category_scores_gemma":[0.001691584,0.0003843914,0.001332247,0.009613578,0.0004804037,0.000852223,0.00096287,0.001314397,0.0004755138],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03294323,"about_ca_system_score_gemma":0.03963944,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9970509,"about_ca_topic_score_gemma":0.9984745,"domain_scores_codex":[0.9989395,0.00002647032,0.00008509737,0.00010079,0.0004499567,0.0003981903],"domain_scores_gemma":[0.9970367,0.00004630773,0.0004421477,0.00002882112,0.001979391,0.0004666518],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001464273,0.00005376712,0.9819931,0.0001574087,0.00009217046,0.0000972511,0.0008856815,0.00008268925,0.0001235913,0.0001368166,0.006855389,0.009375713],"study_design_scores_gemma":[0.000005354002,0.00001373434,0.9938844,0.00006397018,0.00004485088,0.00007506897,0.001601912,0.00009647692,0.00006465607,0.000009110453,0.004127277,0.00001316431],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8932198,0.005900013,0.0001627182,0.002180588,0.0001224007,0.00009644605,0.08689407,0.000108942,0.01131497],"genre_scores_gemma":[0.9644938,0.005149066,0.0005237951,0.0004898238,0.00003751752,0.00006796798,0.0236506,0.00002346631,0.005564091],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03294323,"threshold_uncertainty_score":0.239021,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1736160005844315,"score_gpt":0.2851996508970602,"score_spread":0.1115836503126287,"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."}}