{"id":"W4414939996","doi":"10.2196/62760","title":"Physical Activity Misinformation on Social Media: Systematic Review","year":2025,"lang":"en","type":"review","venue":"JMIR Infodemiology","topic":"Misinformation and Its Impacts","field":"Social Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Misinformation; Physical activity; Action (physics); Social activity; Social media","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":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.002001239,0.0004110707,0.003480132,0.0002738964,0.0004400345,0.00006237481,0.0006219076,0.0007553058,0.00008325012],"category_scores_gemma":[0.007879005,0.0003035071,0.000767437,0.0006436138,0.0002149445,0.0003848754,0.0001099606,0.0007577463,0.0007857268],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004575168,"about_ca_system_score_gemma":0.001089821,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001536314,"about_ca_topic_score_gemma":0.00001655238,"domain_scores_codex":[0.9959264,0.001862766,0.001002933,0.0002276466,0.0004900594,0.0004902047],"domain_scores_gemma":[0.9947959,0.003124938,0.001404099,0.000381124,0.0001381842,0.0001557278],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"systematic_review","study_design_gemma":"not_applicable","study_design_scores_codex":[0.000002462016,0.00003945873,2.84573e-8,0.7302285,0.00004358431,4.790447e-7,0.00591727,1.855359e-7,1.637883e-9,0.02156024,0.02023598,0.2219718],"study_design_scores_gemma":[0.0001065811,0.00002136657,0.000004378098,0.4242572,0.0007723257,0.000002988994,0.000367964,0.00001052235,3.159384e-8,0.0002522766,0.5738069,0.0003974595],"study_design_candidate":"systematic_review","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.00001014928,0.9322224,0.00002471626,0.0006880707,0.0005015603,0.004115502,0.0000547058,0.0001908973,0.06219199],"genre_scores_gemma":[0.00005291919,0.9970277,0.000008070513,0.001552757,0.0003859205,0.0003217769,0.00009809517,0.00001111325,0.0005416796],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.5535709,"threshold_uncertainty_score":0.9999923,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1396464189334834,"score_gpt":0.4866170354397766,"score_spread":0.3469706165062932,"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."}}