{"id":"W3138440227","doi":"10.2196/25313","title":"Measurement of Heart Rate Using the Polar OH1 and Fitbit Charge 3 Wearable Devices in Healthy Adults During Light, Moderate, Vigorous, and Sprint-Based Exercise: Validation Study","year":2021,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Non-Invasive Vital Sign Monitoring","field":"Engineering","cited_by":66,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"European Commission; Interreg; Highlands and Islands Enterprise","keywords":"Sprint; Heart rate; Physical therapy; Treadmill; Medicine; Heart rate monitor; Physical medicine and rehabilitation; Blood pressure; Internal medicine","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":[0.001015345,0.0002335208,0.0004318194,0.0001546722,0.0003103009,0.00006690501,0.00006310932,0.00007912124,0.00000337781],"category_scores_gemma":[0.00002340443,0.0002107764,0.00002189693,0.0003283991,0.00002645322,0.0002131108,0.00005025016,0.0002911893,8.291894e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002119749,"about_ca_system_score_gemma":0.0002813951,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001190247,"about_ca_topic_score_gemma":0.0006520584,"domain_scores_codex":[0.9980125,0.0002312101,0.0005435613,0.0003911904,0.0003080671,0.0005134764],"domain_scores_gemma":[0.9991926,0.00005546461,0.0001175233,0.0002408746,0.000125667,0.000267894],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002208901,0.0006588422,0.8532681,0.02856455,0.00007436591,0.00004694476,0.008151406,0.004716462,0.09703815,0.00003150671,0.00002446651,0.005216287],"study_design_scores_gemma":[0.006269145,0.0007749661,0.9013103,0.003074059,0.00008253832,0.00002879497,0.003010974,0.01372436,0.07103579,0.00003395604,0.00006710281,0.0005880587],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9854576,0.0128022,0.0000742034,0.0004121052,0.0001560237,0.001026885,0.00000932732,0.00005208117,0.000009552033],"genre_scores_gemma":[0.9978473,0.001586168,0.0003016136,0.000081397,0.00007672793,0.00006515212,0.000002049543,0.00003779107,0.000001833522],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04804213,"threshold_uncertainty_score":0.8595211,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0364757653327902,"score_gpt":0.2989453381589927,"score_spread":0.2624695728262025,"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."}}