{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005621965,0.0001280645,0.0003721828,0.0001351329,0.0001377322,0.00004552932,0.00004396204,0.00006764253,0.00003619011],"category_scores_gemma":[0.0001590823,0.0001124509,0.00004058245,0.0008198828,0.00003603626,0.0001030001,0.00001933228,0.0002754808,0.000001021326],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008951285,"about_ca_system_score_gemma":0.0003166062,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002816611,"about_ca_topic_score_gemma":0.00003983087,"domain_scores_codex":[0.9984624,0.0001858195,0.000320082,0.000352822,0.0003522865,0.0003265821],"domain_scores_gemma":[0.9990378,0.00006116438,0.0001152987,0.0001502647,0.0001175489,0.0005179095],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00007904386,0.0001721792,0.9894921,0.00003115156,0.0001473828,0.000004390928,0.001658421,6.548676e-7,0.000004997071,0.0001846537,0.0003714474,0.007853623],"study_design_scores_gemma":[0.001703013,0.001063232,0.9919264,0.000003743274,0.00001026053,0.000002158384,0.001168596,0.0004258416,4.188697e-7,0.000007097769,0.003594958,0.00009425839],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9791572,0.0002281477,0.00004509436,0.01974109,0.00003884904,0.0006092127,0.00001093356,0.00008282657,0.00008661715],"genre_scores_gemma":[0.9914218,0.0001053853,0.000002439209,0.008074293,0.0000420697,0.00007449945,0.0002243928,0.00001135366,0.0000437981],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01226454,"threshold_uncertainty_score":0.4585613,"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."}}