{"id":"W3089164724","doi":"10.3390/ijerph17197084","title":"Changes in Smoking and Vaping over 18 Months among Smokers and Recent Ex-Smokers: Longitudinal Findings from the 2016 and 2018 ITC Four Country Smoking and Vaping Surveys","year":2020,"lang":"en","type":"article","venue":"International Journal of Environmental Research and Public Health","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ontario Institute for Cancer Research; University of Waterloo","funders":"National Health and Medical Research Council; National Cancer Institute; Medical Research Council; Canadian Institutes of Health Research; Ontario Institute for Cancer Research","keywords":"Medicine; Quit smoking; Smoking cessation; Demography; Cohort; Young adult; Smoke; Cohort study; 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":[0.001806425,0.0002155791,0.0003661877,0.0009196085,0.0006272846,0.0008929287,0.0005707706,0.0005637399,0.0006247266],"category_scores_gemma":[0.003951779,0.000468156,0.0008424456,0.00138278,0.0002740073,0.0009425513,0.001058589,0.00133886,0.0002570751],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006511527,"about_ca_system_score_gemma":0.0007707995,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.05394497,"about_ca_topic_score_gemma":0.08060895,"domain_scores_codex":[0.9992821,0.0001625463,0.0001023972,0.0001472814,0.0001538749,0.0001518024],"domain_scores_gemma":[0.9974989,0.0002675,0.001154896,0.0001555936,0.0004845551,0.0004384953],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006223078,0.000048285,0.9978491,0.00001272109,0.00004905487,0.00001930059,0.0006427325,0.00001593077,0.00007757764,0.0000117114,0.0001229569,0.001088316],"study_design_scores_gemma":[0.000001619416,0.00003939356,0.9990797,0.00000947902,0.00001610028,0.00003023429,0.0005394613,0.0000376432,0.00002867717,0.000006789219,0.0002075433,0.000003288636],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976705,0.0002547145,0.00008172426,0.00007087859,0.00000903197,0.00001745104,0.001612231,0.000003075671,0.0002804006],"genre_scores_gemma":[0.9968251,0.0002989481,0.0001726867,0.00007717815,0.00001200337,0.00004792338,0.002134708,0.000003934466,0.0004275044],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05394497,"threshold_uncertainty_score":0.107262,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1545679137216229,"score_gpt":0.3778907174767697,"score_spread":0.2233228037551468,"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."}}