{"id":"W3007476422","doi":"10.2196/16674","title":"Low-Cost Consumer-Based Trackers to Measure Physical Activity and Sleep Duration Among Adults in Free-Living Conditions: Validation Study","year":2020,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Physical Activity and Health","field":"Medicine","cited_by":61,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Activity tracker; Intraclass correlation; Physical therapy; Actigraphy; Activity monitor; Physical activity; Medicine; Physical medicine and rehabilitation; Psychological intervention; Spearman's rank correlation coefficient; Pedometer; Concurrent validity; Psychology; Statistics; Patient satisfaction; Psychometrics; Mathematics; Clinical psychology; Nursing","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":[0.007469564,0.001130678,0.0006054377,0.0006694915,0.0008048176,0.0006100395,0.001066868,0.001174379,0.001550375],"category_scores_gemma":[0.008062457,0.0005602692,0.001023564,0.0004758847,0.0006210752,0.0007580593,0.0008139578,0.0008615646,0.0008128835],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005575382,"about_ca_system_score_gemma":0.001025784,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005857514,"about_ca_topic_score_gemma":0.009669563,"domain_scores_codex":[0.9961965,0.001598998,0.0003925059,0.0005088964,0.001069091,0.0002341257],"domain_scores_gemma":[0.9930428,0.001994533,0.0009624059,0.0009117653,0.00269181,0.0003966171],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002776192,0.01577591,0.939568,0.0002849471,0.0004766321,0.0001396067,0.002169405,0.0004325938,0.006649068,0.0001096015,0.0009262843,0.03069169],"study_design_scores_gemma":[0.0008745277,0.01553045,0.9773277,0.00004541425,0.0002709277,0.0002870066,0.0007037456,0.001820102,0.001462024,0.00005403443,0.001594607,0.00002941373],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9951468,0.00007007589,0.002242057,0.00003018008,0.00001691242,0.001353235,0.0004292022,0.00002262193,0.0006889338],"genre_scores_gemma":[0.9858542,0.0001402877,0.007625286,0.0002332654,0.00003412834,0.00241261,0.00249916,0.00002406809,0.001177045],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.007469564,"threshold_uncertainty_score":0.03950328,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07276987158574011,"score_gpt":0.380862213578639,"score_spread":0.3080923419928989,"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."}}