{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.02571516,0.002088504,0.009081269,0.0160695,0.001009919,0.004086005,0.002421339,0.002831963,0.005316278],"category_scores_gemma":[0.1296459,0.001516958,0.008702305,0.01607671,0.001695482,0.004325637,0.002749589,0.001490434,0.0004607736],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.005564109,"about_ca_system_score_gemma":0.01731318,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006976011,"about_ca_topic_score_gemma":0.01874174,"domain_scores_codex":[0.9666354,0.01427109,0.01099248,0.001731213,0.005750851,0.0006189265],"domain_scores_gemma":[0.877732,0.09199414,0.01950252,0.001698306,0.008486032,0.0005869999],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"systematic_review","study_design_gemma":"systematic_review","study_design_scores_codex":[0.0001526627,0.00001479506,0.0007176803,0.9658933,0.009859808,0.0000818532,0.0002834192,0.00005386987,0.00005409051,0.000104563,0.001001418,0.02178261],"study_design_scores_gemma":[0.000163363,0.0001381088,0.002209621,0.9302468,0.0588132,0.0002057002,0.0003749205,0.0000812661,0.0001341831,0.0002414513,0.007359867,0.00003152816],"study_design_candidate":"systematic_review","study_design_consensus":"systematic_review","genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.001478307,0.9954667,0.0003372002,0.0004594195,0.0002127085,0.001163414,0.0004897891,0.00001701903,0.0003754294],"genre_scores_gemma":[0.02970349,0.9644158,0.001305543,0.001041401,0.000219385,0.002785864,0.000314949,0.00001162238,0.0002020007],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.02571516,"threshold_uncertainty_score":0.1359964,"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."}}