{"id":"W3019940108","doi":"10.1136/tobaccocontrol-2019-055574","title":"Longitudinal transitions of exclusive and polytobacco electronic nicotine delivery systems (ENDS) use among youth, young adults and adults in the USA: findings from the PATH Study Waves 1–3 (2013–2016)","year":2020,"lang":"en","type":"article","venue":"Tobacco Control","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":69,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Institute on Drug Abuse; Center for Tobacco Products; National Institutes of Health; U.S. Department of Health and Human Services","keywords":"Young adult; Longitudinal study; Demography; Medicine; Quarter (Canadian coin); Cohort; Population; Gerontology; Cohort study; Psychology; Environmental health; Geography; Sociology","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":[0.001355443,0.0001957951,0.000251177,0.0007154581,0.0005852967,0.000673425,0.0005024708,0.0004863836,0.001233363],"category_scores_gemma":[0.002472947,0.0003668056,0.0008312284,0.00116987,0.0002229801,0.0009210031,0.001343935,0.001191784,0.000309356],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006869059,"about_ca_system_score_gemma":0.00126363,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.06831101,"about_ca_topic_score_gemma":0.1145204,"domain_scores_codex":[0.9994406,0.0000949625,0.00007557926,0.0001339323,0.0001142771,0.0001407026],"domain_scores_gemma":[0.9987215,0.0001053836,0.0005924069,0.00006177486,0.0002711502,0.0002477235],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004470065,0.00004856649,0.9969742,0.00001614274,0.00004230691,0.00002309304,0.0004197565,0.0000255158,0.00006431842,0.00002357199,0.0004300449,0.001887874],"study_design_scores_gemma":[0.000002532763,0.00002706425,0.999206,0.00001390991,0.00001629181,0.00002997106,0.0004211701,0.00004780271,0.00001966208,0.00001007232,0.0002031465,0.000002472428],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9953662,0.0003973566,0.0001044449,0.0001942393,0.00001136515,0.00002853235,0.003547596,0.000006616471,0.0003436527],"genre_scores_gemma":[0.9946715,0.0004763893,0.0002409559,0.0001613052,0.00001032796,0.00006962917,0.003879474,0.000004568664,0.0004858437],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06831101,"threshold_uncertainty_score":0.1358268,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01893012591576906,"score_gpt":0.235273581654293,"score_spread":0.216343455738524,"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."}}