{"id":"W4286440463","doi":"10.2196/38174","title":"Perceptions and Discussions of Snus on Twitter: Observational Study","year":2022,"lang":"en","type":"article","venue":"JMIR Medical Informatics","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Cancer Institute; Center for Tobacco Products; National Institutes of Health","keywords":"Snus; Medicine; Popularity; Advertising; Public health; Harm; Perception; Environmental health; Psychology; Social psychology; Business; Smokeless tobacco; Nursing; Population","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":[0.001322534,0.0002491313,0.0005150913,0.001122391,0.001558065,0.00110061,0.0002914979,0.000643562,0.003069624],"category_scores_gemma":[0.00606621,0.0003895166,0.0004057159,0.001031326,0.0006567867,0.001804987,0.001550519,0.0009848891,0.001017964],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007497143,"about_ca_system_score_gemma":0.0007452449,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005398918,"about_ca_topic_score_gemma":0.006507315,"domain_scores_codex":[0.9991195,0.000294734,0.000114293,0.0001057908,0.0001967434,0.0001688953],"domain_scores_gemma":[0.9961153,0.001265489,0.001266983,0.0001749806,0.0006219702,0.0005551327],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004176998,0.0008852497,0.8580435,0.0004399082,0.00005664466,0.00100415,0.1182235,0.00007292091,0.002077547,0.0001997809,0.002076186,0.01650304],"study_design_scores_gemma":[0.00003351205,0.001108713,0.8061742,0.0002311742,0.000067093,0.0008194624,0.1817236,0.0007224309,0.0008597484,0.0001636974,0.008017669,0.00007875914],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980361,0.00005777163,0.00008659236,0.000108966,0.000007206852,0.00008838659,0.0004627958,0.000005378126,0.001146648],"genre_scores_gemma":[0.9976773,0.0002732993,0.0002596568,0.0001949573,0.00002922895,0.0002846004,0.0004695576,0.000008412696,0.0008030701],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005398918,"threshold_uncertainty_score":0.01073503,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09361871789129939,"score_gpt":0.3854209581294519,"score_spread":0.2918022402381525,"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."}}