{"id":"W3027560659","doi":"10.1016/j.addbeh.2020.106481","title":"Trends and predictors of exclusive e-cigarette use, exclusive smoking and dual use among youth in Canada","year":2020,"lang":"en","type":"article","venue":"Addictive Behaviors","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":13,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo","funders":"Canadian Institutes of Health Research; Health Canada","keywords":"Odds; Medicine; Demography; Cigarette smoking; Odds ratio; Multinomial logistic regression; Logistic regression; Environmental health; Internal medicine; Mathematics","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":[0.0004869481,0.000292451,0.000399047,0.00252036,0.002003286,0.001640425,0.001372451,0.0006348629,0.002785994],"category_scores_gemma":[0.001770781,0.0004173631,0.0009702949,0.004865281,0.0005473389,0.0005389623,0.0008668292,0.001378214,0.0003385956],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01897948,"about_ca_system_score_gemma":0.02859982,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.994976,"about_ca_topic_score_gemma":0.9972608,"domain_scores_codex":[0.9990809,0.00003711191,0.00008314484,0.0001135143,0.0002843338,0.0004010156],"domain_scores_gemma":[0.9968634,0.0001286871,0.0004995547,0.00004762202,0.001556921,0.0009039307],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004354538,0.00002421764,0.9971833,0.00001730179,0.00002785215,0.00003164277,0.0002465845,0.00004874025,0.00005899354,0.00004072508,0.0005370221,0.001740007],"study_design_scores_gemma":[0.000002845565,0.00001135154,0.9979439,0.00002554795,0.00002203989,0.00003183958,0.001166891,0.0001979482,0.0000371032,0.00000940574,0.0005455303,0.000005505624],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9850659,0.001324097,0.00007625345,0.0004138442,0.000019125,0.00002981106,0.0104546,0.00002301343,0.002593349],"genre_scores_gemma":[0.9936854,0.001045755,0.0001556856,0.00009631403,0.000008054996,0.00001531374,0.003164625,0.000008922099,0.001819845],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01897948,"threshold_uncertainty_score":0.1377064,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0303752548329727,"score_gpt":0.2509804863522167,"score_spread":0.220605231519244,"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."}}