{"id":"W4310803526","doi":"10.21203/rs.3.rs-2334055/v1","title":"U.S. Youth Use of the BIDI ® Stick Disposable E-Cigarette: The Importance of Establishing Device Specific Prevalence Data in Regulating Electronic Nicotine Delivery Systems (ENDS)","year":2022,"lang":"en","type":"preprint","venue":"Research Square","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"British Columbia Centre on Substance Use","funders":"","keywords":"Tobacco product; Electronic cigarette; Medicine; Product (mathematics); Environmental health; Young adult; Nicotine; Demography; Gerontology; Psychiatry; Mathematics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.003595812,0.0001684959,0.0002586492,0.001170625,0.0003485506,0.0007705637,0.0004658672,0.0003987569,0.001159901],"category_scores_gemma":[0.00674876,0.0002454785,0.00033029,0.001596421,0.0002526324,0.0007180787,0.0006334226,0.0005253825,0.0003081003],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004589359,"about_ca_system_score_gemma":0.0007631814,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0426234,"about_ca_topic_score_gemma":0.07759361,"domain_scores_codex":[0.9979553,0.0007609407,0.0003445171,0.0002160551,0.0005680565,0.0001550402],"domain_scores_gemma":[0.9939288,0.001497356,0.002691829,0.0002651219,0.001291704,0.0003251708],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00001488242,0.00002854365,0.9903224,0.00007703764,0.00002452711,0.00001525224,0.0002997415,0.00003831251,0.0001432924,0.00005778394,0.000390276,0.008587895],"study_design_scores_gemma":[0.000001839648,0.00006768153,0.9980521,0.00008966133,0.00002624655,0.00004618351,0.0005476381,0.0001402963,0.000171426,0.00003120373,0.0008226245,0.000003101298],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9878694,0.00208362,0.001250736,0.0005302013,0.00004551908,0.0001572321,0.003744644,0.00002013097,0.004298379],"genre_scores_gemma":[0.9939978,0.00175291,0.001678757,0.0003188595,0.00002428511,0.0001356172,0.001728998,0.00000483339,0.0003577967],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0426234,"threshold_uncertainty_score":0.08475059,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1860517982481951,"score_gpt":0.3892392596792839,"score_spread":0.2031874614310888,"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."}}