{"id":"W3181375288","doi":"10.1136/tobaccocontrol-2021-056605","title":"Smoking and vaping among Canadian youth and adults in 2017 and 2019","year":2021,"lang":"en","type":"article","venue":"Tobacco Control","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"Health Canada","keywords":"Advertising; Youth smoking; Young adult; Psychology; Environmental health; Medicine; Demography; Gerontology; Business; Public health; Tobacco control; Sociology; Nursing","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":[0.001548058,0.0007788838,0.0009468826,0.00518252,0.005784027,0.002873397,0.003312971,0.001229488,0.005184391],"category_scores_gemma":[0.00421496,0.0006559798,0.002445974,0.01023618,0.0007904066,0.00138371,0.002333758,0.003209763,0.0009351741],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.07194981,"about_ca_system_score_gemma":0.1055852,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9986266,"about_ca_topic_score_gemma":0.9990773,"domain_scores_codex":[0.9973564,0.00006360171,0.0001632839,0.0002219594,0.001218829,0.0009759864],"domain_scores_gemma":[0.9949078,0.00008338108,0.000552381,0.00007823447,0.00328965,0.001088582],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002102195,0.0001103812,0.9212039,0.0008032364,0.0002058254,0.0002164929,0.003349584,0.0001357011,0.0001344213,0.001060495,0.04584861,0.026721],"study_design_scores_gemma":[0.00001895693,0.00002636184,0.9770786,0.0006657345,0.0001208133,0.0001664066,0.005732907,0.0003001092,0.00006691983,0.0001280162,0.0156402,0.00005496674],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.57574,0.02638362,0.0007109822,0.01071889,0.0009220892,0.0007166375,0.345583,0.0003013604,0.03892348],"genre_scores_gemma":[0.8985046,0.01590069,0.001301892,0.003158531,0.0002811367,0.0003422576,0.07301044,0.00008320624,0.007417121],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07194981,"threshold_uncertainty_score":0.5220349,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01387716609733348,"score_gpt":0.2415257581559866,"score_spread":0.2276485920586531,"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."}}