{"id":"W4414238952","doi":"10.2196/70756","title":"Quality Assessment of Health Information on Social Media During a Public Health Crisis: Infodemiology Study","year":2025,"lang":"en","type":"article","venue":"JMIR Infodemiology","topic":"Data-Driven Disease Surveillance","field":"Medicine","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Concordia University","funders":"","keywords":"Transparency (behavior); Public health; Social media; Health information; Quality (philosophy); HRHIS; Health policy; Quality assessment","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.005846068,0.0002894393,0.001807788,0.0006173616,0.0002221599,0.00001254309,0.0003116938,0.000244637,0.00004588468],"category_scores_gemma":[0.002348757,0.0002642915,0.0001828197,0.0005622492,0.0001854731,0.0002573913,0.0003180752,0.0006587291,0.00002067854],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008004353,"about_ca_system_score_gemma":0.002264201,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003481584,"about_ca_topic_score_gemma":0.0001898674,"domain_scores_codex":[0.9928806,0.002807489,0.002709869,0.0004295712,0.0003918636,0.0007806357],"domain_scores_gemma":[0.9964134,0.0008109995,0.001438059,0.0007532125,0.0003315963,0.0002527056],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000348984,0.0009417246,0.9557883,0.00082372,0.0001965381,0.000001906946,0.004415764,0.00004822081,0.000006734941,0.01135778,0.01536103,0.01070933],"study_design_scores_gemma":[0.003382867,0.0005822578,0.9883003,0.00005698678,0.00001173675,0.000003460499,0.00396516,0.0001125239,9.488208e-7,0.0004204639,0.003019933,0.0001433961],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9673505,0.0001332529,0.001010517,0.02736248,0.0003987356,0.001831005,0.0002262094,0.0002397565,0.001447512],"genre_scores_gemma":[0.983543,0.00008273309,0.0004951699,0.01487383,0.00007700983,0.0003836782,0.000523077,0.00001119631,0.00001030244],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.032512,"threshold_uncertainty_score":0.9999809,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.132930924327906,"score_gpt":0.4838560295350464,"score_spread":0.3509251052071404,"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."}}