{"id":"W4412395020","doi":"10.2196/76019","title":"Evaluating Use Patterns of a Closed Electronic Nicotine Delivery System Among Adults in the United States Who Smoke Cigarettes Daily: 8-Week Actual Use Study","year":2025,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Preprint; Nicotine; Smoke; Medicine; Environmental health; Computer science; Engineering; Psychiatry; World Wide Web; Waste management","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.001265093,0.0002478796,0.0003452613,0.0005108594,0.0005546588,0.0005858841,0.0003780925,0.0006476099,0.0007640753],"category_scores_gemma":[0.002188613,0.0003987394,0.0004922764,0.000390519,0.0002306782,0.0005900762,0.0005151589,0.0005867676,0.0002617375],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003590252,"about_ca_system_score_gemma":0.0002985542,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005673531,"about_ca_topic_score_gemma":0.01077463,"domain_scores_codex":[0.9994076,0.0002010855,0.00008849051,0.000093934,0.0001534458,0.00005542566],"domain_scores_gemma":[0.9981694,0.0002987298,0.0007460925,0.0001339775,0.0004190899,0.0002327438],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001753902,0.0004632445,0.9946827,0.00002371782,0.00007885925,0.00003363391,0.0006776305,0.00002669149,0.0005892962,0.00000456208,0.00006936419,0.003174805],"study_design_scores_gemma":[0.000008549082,0.0006267563,0.9981275,0.00000685427,0.00002844882,0.0001007628,0.000650624,0.0001452846,0.0001260244,0.000004780641,0.0001697208,0.000004738961],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9995932,0.00003881008,0.00004926863,0.00001064373,0.000001598523,0.00003635457,0.0001200732,0.000002098363,0.0001479997],"genre_scores_gemma":[0.9990928,0.00008180379,0.0002831098,0.00003632168,0.000004565343,0.00005282909,0.0002552767,0.000001772535,0.0001916812],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005673531,"threshold_uncertainty_score":0.01128101,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1151550855238032,"score_gpt":0.431549819113106,"score_spread":0.3163947335893028,"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."}}