{"id":"W4290975215","doi":"10.2196/38268","title":"Users’ Modifications to Electronic Nicotine Delivery Systems: Content Analysis of YouTube Video Comments","year":2022,"lang":"en","type":"article","venue":"JMIR Infodemiology","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Institute on Drug Abuse; Center for Tobacco Products; National Institutes of Health","keywords":"Content delivery; Computer science; Multimedia; Nicotine; Online video; Content analysis; World Wide Web; Psychology; Computer network; Sociology; Neuroscience","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004666133,0.0001045798,0.0004893384,0.000474104,0.00009911582,0.000003985997,0.0001530826,0.00007291896,0.0001600061],"category_scores_gemma":[0.00007848136,0.00009995305,0.0001578641,0.000767514,0.00003613204,0.00003229088,0.0001154378,0.0002608933,0.000003427137],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004078102,"about_ca_system_score_gemma":0.00009353615,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006569359,"about_ca_topic_score_gemma":0.00002161363,"domain_scores_codex":[0.998592,0.0001950665,0.0005189339,0.000228089,0.0002089183,0.000256952],"domain_scores_gemma":[0.9989991,0.0001231974,0.0002014588,0.0004252448,0.0001690984,0.00008191636],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000159938,0.0002122648,0.9760392,0.00001454233,0.0005240957,0.000001040958,0.000779165,0.01255692,0.006420671,0.001838578,0.001358997,0.00009454823],"study_design_scores_gemma":[0.0007849626,0.0005319551,0.9878818,0.00001032649,0.001404709,0.00001119118,0.001418222,0.005066962,0.0002086476,0.00001365141,0.002557706,0.0001098344],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9968654,0.00008469682,0.0008170304,0.001218725,0.0001412407,0.0005877441,0.00006855967,0.00004777934,0.0001688131],"genre_scores_gemma":[0.9970973,0.00001402707,0.00002283561,0.001614947,0.00001998601,0.0006589182,0.0003609594,0.000009801091,0.0002011902],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01184259,"threshold_uncertainty_score":0.4075967,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09888415077088764,"score_gpt":0.3507806792656405,"score_spread":0.2518965284947529,"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."}}