{"id":"W6925085704","doi":"10.17605/osf.io/4nufm","title":"Prevalence and trends of tobacco and nicotine product use among youth in Canada, the US, and England from 2017-2019","year":2020,"lang":"en","type":"other","venue":"OSF Preprints (OSF Preprints)","topic":"Nuclear Structure and Function","field":"Biochemistry, Genetics and Molecular Biology","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Tobacco product; Nicotine; Tobacco use; Tobacco harm reduction; Product (mathematics); New england; Smoking prevalence","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"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":[0.0006949271,0.0002873613,0.0005087245,0.00208923,0.001604085,0.001400419,0.001224173,0.0004549942,0.003992965],"category_scores_gemma":[0.002054951,0.000295533,0.0008947461,0.003881566,0.0005516691,0.0007058911,0.00127056,0.001054864,0.0006336548],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01685288,"about_ca_system_score_gemma":0.02490531,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9925902,"about_ca_topic_score_gemma":0.9951775,"domain_scores_codex":[0.9989833,0.00003695142,0.00008032477,0.0001438058,0.0003664273,0.0003892527],"domain_scores_gemma":[0.9964883,0.00009463359,0.0005369412,0.00005753892,0.002163449,0.0006591132],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001078652,0.00002124589,0.973906,0.0002329444,0.00009833639,0.00009631187,0.001260435,0.0001095842,0.0001621015,0.0002690892,0.01388633,0.009849684],"study_design_scores_gemma":[0.000004266833,0.00001141681,0.9934304,0.000143766,0.0000379249,0.00007499806,0.001778532,0.000102662,0.00006928234,0.00002425079,0.004309246,0.00001324739],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7824944,0.006294498,0.0003609609,0.002292828,0.00009222163,0.0001055883,0.1998962,0.0001133893,0.008349822],"genre_scores_gemma":[0.9263636,0.005814215,0.0007844808,0.0008471311,0.00004938702,0.0001254805,0.0584458,0.00004952285,0.007520319],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01685288,"threshold_uncertainty_score":0.1222768,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006895454026547987,"score_gpt":0.1951552721750729,"score_spread":0.1882598181485249,"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."}}