{"id":"W4286561788","doi":"10.2196/38077","title":"Comparison of Accelerometry-Based Measures of Physical Activity: Retrospective Observational Data Analysis Study","year":2022,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Physical Activity and Health","field":"Medicine","cited_by":72,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Institute on Aging; National Institute of Neurological Disorders and Stroke; Johns Hopkins University","keywords":"Generalizability theory; Statistics; Mathematics; Linear regression; Standard deviation; Regression analysis; Medicine; Physical activity; Physical therapy","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":[0.01008503,0.0003710563,0.0005071036,0.001321669,0.0003131722,0.0006407437,0.0005154663,0.0003590558,0.0004776446],"category_scores_gemma":[0.02139877,0.0003580478,0.0005119643,0.001757498,0.0004555577,0.0005388473,0.0006633492,0.0003882404,0.0002191128],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003516409,"about_ca_system_score_gemma":0.0006864802,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002362434,"about_ca_topic_score_gemma":0.002995078,"domain_scores_codex":[0.9892297,0.005887262,0.001605745,0.001421866,0.001627759,0.0002275926],"domain_scores_gemma":[0.9812339,0.005207135,0.007295979,0.003234135,0.002537172,0.0004916393],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001986037,0.00004516953,0.9975551,0.00002348837,0.0002078118,0.00002618097,0.000207112,0.00004154876,0.000167312,0.00002847459,0.00008428437,0.001414786],"study_design_scores_gemma":[0.00002101622,0.0004369508,0.9978297,0.00002135621,0.0001168978,0.0002199367,0.0003604652,0.0003753323,0.00012271,0.00003723918,0.0004508022,0.000007541668],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9960532,0.0003109943,0.002325874,0.00001968227,0.00001030702,0.0000910936,0.0008749611,0.000009545713,0.000304371],"genre_scores_gemma":[0.996591,0.0001530382,0.001488316,0.00002714304,0.00001478933,0.0001783123,0.001461726,0.000007794417,0.00007805162],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01008503,"threshold_uncertainty_score":0.05333537,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.4789565883031691,"score_gpt":0.5163160873791381,"score_spread":0.03735949907596903,"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."}}