{"id":"W1537693639","doi":"10.17269/cjph.102.2268","title":"Illicit substance use among Canadian youth: trends between 2002 and 2008.","year":2012,"lang":"en","type":"article","venue":"PubMed","topic":"Substance Abuse Treatment and Outcomes","field":"Medicine","cited_by":18,"is_retracted":false,"has_abstract":false,"ca_institutions":"Cancer Care Ontario; University of Waterloo","funders":"","keywords":"Cannabis; Substance use; Monitoring the Future; Medicine; Medical prescription; MDMA; Environmental health; Illicit drug; Substance abuse; Psychiatry; Drug","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"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":[0.0004780228,0.0004083622,0.0004173747,0.003435786,0.002329766,0.001306416,0.001178586,0.0005981124,0.00358943],"category_scores_gemma":[0.002041111,0.0003004,0.0007858808,0.008300915,0.0003841163,0.000655319,0.0007403112,0.001053542,0.0004326667],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0297331,"about_ca_system_score_gemma":0.04421391,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9973966,"about_ca_topic_score_gemma":0.998588,"domain_scores_codex":[0.9991502,0.00002232571,0.00006332875,0.00008014702,0.0003760851,0.0003078914],"domain_scores_gemma":[0.9971054,0.00006222819,0.0004444772,0.00003123624,0.001871146,0.00048556],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002082072,0.00006348234,0.9636163,0.0002765556,0.00008205133,0.00009512875,0.0008511002,0.00009394375,0.0001314231,0.0001864866,0.01736532,0.01703004],"study_design_scores_gemma":[0.000007678095,0.00001964507,0.9916189,0.0001364997,0.00005500263,0.00008416946,0.001654752,0.0001190694,0.00007840602,0.00001574672,0.006195942,0.00001414202],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7972672,0.01103569,0.0002012803,0.003523635,0.0002176683,0.000134929,0.1707535,0.0001485757,0.01671757],"genre_scores_gemma":[0.9540054,0.007804306,0.0005076881,0.0006329693,0.0000568775,0.00008016043,0.03143876,0.00002390727,0.005449991],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0297331,"threshold_uncertainty_score":0.2157297,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06612193170403961,"score_gpt":0.2366340145855498,"score_spread":0.1705120828815102,"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."}}