{"id":"W2986650979","doi":"10.3390/ijerph16214256","title":"Exploring the Bi-Directional Association between Tobacco and E-Cigarette Use among Youth in Canada","year":2019,"lang":"en","type":"article","venue":"International Journal of Environmental Research and Public Health","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ontario Tech University; University of Waterloo","funders":"Institute of Population and Public Health; Institute of Nutrition, Metabolism and Diabetes; Canadian Institutes of Health Research; Health Canada","keywords":"Tobacco use; Longitudinal study; Association (psychology); Cigarette smoking; Demography; Medicine; Environmental health; Psychology; Population","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":[0.002085249,0.0004438698,0.0005894995,0.001842763,0.004833202,0.001964273,0.001504182,0.0005484053,0.002129352],"category_scores_gemma":[0.003619394,0.0004761874,0.001360889,0.004704033,0.0008537983,0.0007448022,0.001744372,0.001435849,0.0002417532],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02271055,"about_ca_system_score_gemma":0.04950562,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9949981,"about_ca_topic_score_gemma":0.9976748,"domain_scores_codex":[0.9983379,0.0001625654,0.0000964232,0.0002780244,0.0005259393,0.0005992106],"domain_scores_gemma":[0.9967896,0.0002252589,0.0004330702,0.0001254477,0.001828335,0.0005980668],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002826025,0.0000183165,0.9944139,0.00002864121,0.00005853812,0.00005136936,0.001287361,0.00004036952,0.00008790881,0.0001573626,0.0005530438,0.003274933],"study_design_scores_gemma":[0.000005418217,0.00001646998,0.9940537,0.00007943657,0.00007031391,0.00005084401,0.00371737,0.0004336265,0.00007895426,0.00008430849,0.001393612,0.00001613732],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9908511,0.001311627,0.0004291428,0.0009141806,0.00003426429,0.00006941692,0.003940716,0.00001648878,0.002432958],"genre_scores_gemma":[0.9960723,0.000779169,0.000520467,0.0002301324,0.000008038855,0.00002971316,0.001529051,0.000008484596,0.0008225828],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02271055,"threshold_uncertainty_score":0.1647773,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1704803707497187,"score_gpt":0.3506894782074431,"score_spread":0.1802091074577244,"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."}}