{"id":"W2944902714","doi":"10.2196/13327","title":"Estimating Maximal Oxygen Uptake From Daily Activity Data Measured by a Watch-Type Fitness Tracker: Cross-Sectional Study","year":2019,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Cardiovascular and exercise physiology","field":"Medicine","cited_by":25,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Samsung; Ministry of Science, ICT and Future Planning; National Research Foundation","keywords":"Cardiorespiratory fitness; VO2 max; Cross-sectional study; Physical fitness; Physical activity; Physical therapy; Medicine; Physical medicine and rehabilitation; Heart rate; Internal medicine; Blood pressure","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":[0.001272466,0.0002751404,0.0009075792,0.00005844139,0.0002967147,0.00006072516,0.000228931,0.0002008122,0.0001233093],"category_scores_gemma":[0.00009347719,0.0002413363,0.00009871217,0.0002173901,0.00007712802,0.0002719271,0.0001815269,0.0005944726,0.00009480097],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001364291,"about_ca_system_score_gemma":0.0006023074,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003545083,"about_ca_topic_score_gemma":0.0001258346,"domain_scores_codex":[0.9970634,0.0002129079,0.0005162038,0.001007007,0.0005835511,0.0006169347],"domain_scores_gemma":[0.9978611,0.0001086691,0.0001842719,0.001170978,0.0001472471,0.0005276734],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.017749,0.002713082,0.9104685,0.002379169,0.0006714289,0.00004728778,0.002324807,0.00007860201,0.004416322,0.00001058713,0.01309236,0.04604888],"study_design_scores_gemma":[0.004174066,0.0007600352,0.9903786,0.00003766884,0.0001559095,0.00005158858,0.000159543,0.003035573,0.00002116488,0.00004860603,0.0009824771,0.0001947236],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9956032,0.0009775305,0.0001048929,0.0004956655,0.0007449187,0.001489755,0.0003714944,0.0001022026,0.0001103256],"genre_scores_gemma":[0.9969676,0.0001022043,0.0006003213,0.000408747,0.0005905589,0.00004130197,0.001073357,0.00004168011,0.0001742269],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07991018,"threshold_uncertainty_score":0.9841408,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08912568810960977,"score_gpt":0.3932589929430522,"score_spread":0.3041333048334424,"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."}}