{"id":"W1432193772","doi":"10.1016/j.ypmed.2015.08.019","title":"Who is using e-cigarettes in Canada? Nationally representative data on the prevalence of e-cigarette use among Canadians","year":2015,"lang":"en","type":"article","venue":"Preventive Medicine","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":78,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo","funders":"Canadian Cancer Society Research Institute; Canadian Institutes of Health Research; Public Health Agency of Canada","keywords":"Medicine; Demography; Electronic cigarette; Logistic regression; Cigarette smoking; Young adult; Population; Environmental health; Gerontology; Internal medicine","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001011583,0.0003773421,0.0006264834,0.002900557,0.003510933,0.001891665,0.00182205,0.0009677155,0.002422363],"category_scores_gemma":[0.003762612,0.000642114,0.00113512,0.009812953,0.0007138226,0.0007419646,0.0009236465,0.001284038,0.0003925098],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03292847,"about_ca_system_score_gemma":0.04718053,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9987999,"about_ca_topic_score_gemma":0.999221,"domain_scores_codex":[0.9979408,0.0001082249,0.0001698882,0.0002341533,0.0009775269,0.0005693471],"domain_scores_gemma":[0.9949974,0.0002051354,0.0008664548,0.00009975092,0.002935056,0.0008961997],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004903987,0.00004127452,0.989494,0.00009268701,0.0001000695,0.0000470355,0.0007901319,0.0000654285,0.00009124402,0.0001444981,0.00387929,0.005205358],"study_design_scores_gemma":[0.000005007764,0.000007409328,0.9969074,0.00006862335,0.0000382587,0.00002870192,0.001183353,0.0001267616,0.00002717059,0.00001767025,0.001577354,0.00001227587],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9362183,0.004627123,0.0002315627,0.00343289,0.00008021488,0.0001241091,0.04342778,0.00004111685,0.01181684],"genre_scores_gemma":[0.9847026,0.003356649,0.0004139313,0.0008353814,0.00002434589,0.00004167116,0.008613824,0.00001145281,0.002000094],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03292847,"threshold_uncertainty_score":0.2389139,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1281023191120477,"score_gpt":0.3485684111348528,"score_spread":0.2204660920228051,"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."}}