{"id":"W2146085385","doi":"10.1503/cmaj.090665","title":"Use of contraband cigarettes among adolescent daily smokers in Canada","year":2009,"lang":"en","type":"letter","venue":"Canadian Medical Association Journal","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":24,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Health Canada; University of Waterloo; Ontario Ministry of Health and Long-Term Care; Centre for Addiction and Mental Health; Cancer Care Ontario","keywords":"Environmental health; Medicine","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003002426,0.0001136071,0.0003065834,0.0005361535,0.002787287,0.0007638573,0.0004490857,0.001787921,0.001862527],"category_scores_gemma":[0.002001959,0.0001751487,0.0001950981,0.001090912,0.0005068975,0.0002509563,0.0002267167,0.00151678,0.000229487],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0144098,"about_ca_system_score_gemma":0.01325897,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9493557,"about_ca_topic_score_gemma":0.9781693,"domain_scores_codex":[0.9994164,0.00003842414,0.00004934501,0.00004520938,0.0002928536,0.0001578477],"domain_scores_gemma":[0.9985583,0.0001954847,0.0002181457,0.00002289679,0.0005802265,0.0004249528],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002337725,0.0003319826,0.8146288,0.0003055688,0.00003843361,0.01625767,0.005615197,0.0001997214,0.001553523,0.0009276308,0.07252869,0.08737913],"study_design_scores_gemma":[0.00007177519,0.000197656,0.9371605,0.0005352451,0.00008521638,0.007650288,0.006065613,0.001218263,0.0004293549,0.0002569675,0.04627474,0.00005439843],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"commentary","genre_scores_codex":[0.850131,0.006212079,0.0001454466,0.1054225,0.0008582603,0.0001184132,0.00108175,0.00005023081,0.03598031],"genre_scores_gemma":[0.9605144,0.004523905,0.000200267,0.02713617,0.0004003819,0.00002505118,0.0002040086,0.00001158035,0.006984218],"genre_candidate":"commentary","genre_consensus":null,"teacher_disagreement_score":0.05064434,"threshold_uncertainty_score":0.1045509,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0166617920682267,"score_gpt":0.2277187806889473,"score_spread":0.2110569886207206,"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."}}