{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002353993,0.0002772892,0.0002599358,0.003552705,0.000667967,0.0007784887,0.0002890779,0.0003494263,0.001485475],"category_scores_gemma":[0.01572579,0.000114823,0.000227274,0.002430791,0.0003945491,0.001068317,0.0008095044,0.0003120572,0.0003393916],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001137371,"about_ca_system_score_gemma":0.0007097973,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01288564,"about_ca_topic_score_gemma":0.01990333,"domain_scores_codex":[0.9982691,0.000701947,0.0001987856,0.0001618844,0.000504785,0.0001635737],"domain_scores_gemma":[0.9844962,0.009731804,0.002279525,0.0001749985,0.002995648,0.0003217993],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"qualitative","study_design_scores_codex":[0.0009330617,0.0001707635,0.5943707,0.00313073,0.0001282297,0.00222459,0.1944698,0.0005052815,0.01203166,0.00048164,0.01540749,0.1761462],"study_design_scores_gemma":[0.00002083657,0.0002961913,0.8205978,0.0009129132,0.00006757343,0.0007216306,0.150908,0.004166454,0.003314839,0.0001887883,0.01871741,0.00008760911],"study_design_candidate":"qualitative","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9925508,0.0003612939,0.0008601245,0.0003735268,0.00003277532,0.0003272933,0.002844561,0.00004292094,0.002606768],"genre_scores_gemma":[0.9908587,0.0007193634,0.002620959,0.0002319171,0.00005269501,0.0007250037,0.002672593,0.00003617464,0.002082623],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01288564,"threshold_uncertainty_score":0.02562124,"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."}}