{"id":"W3087925674","doi":"10.2196/20465","title":"Sleep Tracking of a Commercially Available Smart Ring and Smartwatch Against Medical-Grade Actigraphy in Everyday Settings: Instrument Validation Study","year":2020,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Sleep and related disorders","field":"Psychology","cited_by":166,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Actigraphy; Sleep (system call); Wearable computer; Sleep onset; Smartwatch; Medicine; Computer science; Psychology; Physical therapy; Insomnia; Embedded system; Psychiatry","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":[0.001097321,0.0002174185,0.0004729252,0.0002339576,0.0001947392,0.00002409256,0.0001417541,0.0002407154,0.0001302565],"category_scores_gemma":[0.0000759473,0.0002046785,0.00004293053,0.0005714353,0.00009524977,0.0001240481,0.00006050022,0.0006435958,0.00001336526],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003965905,"about_ca_system_score_gemma":0.0001514957,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001246482,"about_ca_topic_score_gemma":0.0003718092,"domain_scores_codex":[0.9972994,0.0004490877,0.0007978783,0.0005271434,0.0003801779,0.0005463563],"domain_scores_gemma":[0.9986933,0.0001791249,0.0003184113,0.0001997719,0.00003578413,0.000573589],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004489623,0.001461889,0.8028848,0.0008652709,0.0001573373,0.00002766868,0.04851035,0.000008514216,0.00002733414,0.0001557694,0.001896586,0.1435555],"study_design_scores_gemma":[0.01745764,0.002487002,0.9379988,0.0003818283,0.0002275486,0.00001943539,0.03323147,0.001531066,0.00005302996,0.0001227521,0.005880323,0.0006091198],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.985954,0.001539523,0.00002572697,0.008999185,0.0002818363,0.001069804,0.000007591808,0.00006009325,0.002062234],"genre_scores_gemma":[0.9945446,0.001085994,0.00007126408,0.004104647,0.00006804134,0.0000691216,0.0000187531,0.00002567404,0.00001185066],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1429464,"threshold_uncertainty_score":0.8346549,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05820452392273213,"score_gpt":0.3563067935959621,"score_spread":0.2981022696732299,"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."}}