{"id":"W3088770062","doi":"10.2196/21963","title":"Electronic Cigarette–Related Contents on Instagram: Observational Study and Exploratory Analysis","year":2020,"lang":"en","type":"article","venue":"JMIR Public Health and Surveillance","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":43,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Cancer Institute; Center for Tobacco Products; National Institutes of Health","keywords":"Upload; Electronic cigarette; Social media; Advertising; Exploratory analysis; Content analysis; Exploratory research; Internet privacy; Business; Computer science; Medicine; World Wide Web","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":[0.005622289,0.0003160805,0.0006454339,0.002011364,0.001730885,0.001760026,0.0006783627,0.0006846879,0.002126392],"category_scores_gemma":[0.01782128,0.0006662338,0.0006601668,0.002265741,0.001024527,0.002067837,0.00210501,0.001362669,0.0007067109],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00120493,"about_ca_system_score_gemma":0.001783023,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004997497,"about_ca_topic_score_gemma":0.007293405,"domain_scores_codex":[0.9963186,0.001746197,0.0003145976,0.0003074032,0.0007566703,0.0005564877],"domain_scores_gemma":[0.9867714,0.006148584,0.003683629,0.0006811907,0.001908362,0.0008067891],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003326872,0.001606945,0.8770965,0.0003905665,0.0000760531,0.000756197,0.1012413,0.00008715881,0.0009879468,0.0004284021,0.001713514,0.01528281],"study_design_scores_gemma":[0.00003449471,0.001277052,0.8332885,0.0002253232,0.0000621837,0.0005867505,0.1587061,0.0007774167,0.0006312354,0.000313911,0.004022069,0.0000748468],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981347,0.00005905816,0.0002573907,0.00006758369,0.000003010078,0.0003580486,0.0004953229,0.000005535931,0.0006193408],"genre_scores_gemma":[0.9957511,0.0002367843,0.001311769,0.0001691089,0.00001706287,0.001027571,0.0007511597,0.0000135047,0.0007218474],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005622289,"threshold_uncertainty_score":0.02973384,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.140836920663807,"score_gpt":0.3553569880028458,"score_spread":0.2145200673390388,"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."}}