{"id":"W7132891395","doi":"","title":"Device-Measured Physical Activity Before and Throughout the COVID-19 Pandemic in Canada: Results from the INTERACT and COVFIT Studies","year":2025,"lang":"","type":"dissertation","venue":"TSpace","topic":"Physical Activity and Health","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Pandemic; Physical activity; Cohort; Cohort study; Wearable computer; Activity tracker; Longitudinal study; Coronavirus disease 2019 (COVID-19)","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.002919383,0.001046573,0.000901396,0.001591014,0.004373425,0.002170881,0.002186612,0.0009800466,0.002062915],"category_scores_gemma":[0.00767086,0.0007912053,0.002146722,0.006245824,0.001342274,0.0007451344,0.00211595,0.001671244,0.000425199],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03659675,"about_ca_system_score_gemma":0.05219658,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9970041,"about_ca_topic_score_gemma":0.9981843,"domain_scores_codex":[0.9962261,0.0003056354,0.0002489944,0.0006530384,0.001709433,0.000856821],"domain_scores_gemma":[0.9919136,0.0005750461,0.00105628,0.0004174558,0.004933198,0.001104442],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003566682,0.0001185351,0.9801471,0.0002307929,0.000424955,0.00007152494,0.00309588,0.0001492339,0.000179644,0.0001894269,0.002958172,0.01207795],"study_design_scores_gemma":[0.00002339749,0.00005454682,0.9960976,0.0001063786,0.0001195815,0.00001983622,0.001603715,0.0001192166,0.00006776256,0.00001988531,0.001745701,0.00002239543],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.970382,0.003337059,0.0006257693,0.001017496,0.00007370963,0.0003476178,0.01808284,0.00003703738,0.006096517],"genre_scores_gemma":[0.9791764,0.003196945,0.001180719,0.000869113,0.00004268754,0.0002693966,0.01074852,0.00004600928,0.004470197],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03659675,"threshold_uncertainty_score":0.2655293,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1435357547943322,"score_gpt":0.4623991345218411,"score_spread":0.3188633797275089,"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."}}