{"id":"W1837356049","doi":"10.1136/bmjopen-2015-007971","title":"E-cigarette use in Canada: prevalence and patterns of use in a regulated market","year":2015,"lang":"en","type":"article","venue":"BMJ Open","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":44,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"Canadian Cancer Society Research Institute; Canadian Institutes of Health Research; Centers for Disease Control and Prevention","keywords":"Medicine; Nicotine; Demography; Cigarette smoking; Smoking prevalence; Menthol; Cross-sectional study; Public health; Tobacco control; Environmental health; Psychiatry; Internal medicine; Population","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00046058,0.00005459614,0.0001672935,0.00005323992,0.000004664348,0.00002015148,0.00007513619,0.00003671506,0.00006854494],"category_scores_gemma":[0.000230246,0.00004940188,0.000006312943,0.00009992058,0.00001017752,0.0002034563,0.00007943483,0.00007390369,9.226162e-8],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001915646,"about_ca_system_score_gemma":0.0005577865,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8807508,"about_ca_topic_score_gemma":0.8538883,"domain_scores_codex":[0.9993011,0.00006541161,0.0002037183,0.0001276144,0.0002087099,0.0000933838],"domain_scores_gemma":[0.9995723,0.00004056538,0.00006347492,0.000214121,0.0000480996,0.0000614535],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002325616,0.00002315392,0.9974816,0.00006124526,0.000003734924,0.00008351216,0.0002649664,0.000002151412,0.00003401046,0.000001970905,0.001365699,0.000445395],"study_design_scores_gemma":[0.001573903,0.00003721257,0.9968994,0.000845642,0.00002049569,0.00001697305,0.0001498561,0.00009930726,0.000232801,0.000004448176,0.0000612646,0.00005873041],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981508,0.000007533136,0.000001176293,0.0001856324,0.00004173179,0.001443009,0.000017669,0.000002723133,0.0001497302],"genre_scores_gemma":[0.9986739,0.000005535455,0.00002311051,0.0001379929,0.00000618866,0.00006553626,0.00001034693,0.000006625756,0.001070782],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0268626,"threshold_uncertainty_score":0.201455,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.130309986120273,"score_gpt":0.358672049896719,"score_spread":0.228362063776446,"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."}}