{"id":"W4416932770","doi":"10.1186/s12916-025-04536-7","title":"Sleep and physical activity trade-offs and dementia risk: a prospective cohort study in UK Biobank participants","year":2025,"lang":"en","type":"article","venue":"BMC Medicine","topic":"Sleep and related disorders","field":"Psychology","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Hôpital du Sacré-Cœur de Montréal","funders":"National Health and Medical Research Council","keywords":"Biobank; Dementia; Physical activity; Observational study; Sleep (system call); Prospective cohort study; Cohort study; Actigraphy","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001601971,0.0004754322,0.000732688,0.0009021789,0.0008807842,0.001115474,0.0007118536,0.0009662542,0.002074132],"category_scores_gemma":[0.003682485,0.0007860651,0.0008161079,0.001864794,0.0005294167,0.0008395287,0.001108222,0.0009678847,0.0005046603],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006228956,"about_ca_system_score_gemma":0.0005415918,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04400824,"about_ca_topic_score_gemma":0.03964437,"domain_scores_codex":[0.9987319,0.0004304035,0.0001772456,0.0003238194,0.000171531,0.0001650649],"domain_scores_gemma":[0.9976255,0.0003446582,0.001101731,0.0003763374,0.000250975,0.0003008622],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000639347,0.0001209781,0.996822,0.00003601666,0.0001646767,0.0001452277,0.0005365839,0.00002666538,0.0002954939,0.00002339085,0.0002985901,0.000890936],"study_design_scores_gemma":[0.0000390438,0.0001743277,0.9990448,0.00002183485,0.00005865731,0.0001438901,0.0002442104,0.00006815478,0.00002300427,0.00001357189,0.0001620652,0.000006298189],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980842,0.000335582,0.00008769856,0.00004010552,0.000005856361,0.00004253227,0.001235319,0.00000304454,0.0001656371],"genre_scores_gemma":[0.9976666,0.0002968998,0.0002362964,0.00009294813,0.00001201419,0.0001216031,0.001246238,0.000004671152,0.0003227975],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04400824,"threshold_uncertainty_score":0.08750421,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02358413034935018,"score_gpt":0.3422540756760402,"score_spread":0.31866994532669,"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."}}