{"id":"W4416717539","doi":"10.1186/s12889-025-24737-2","title":"Factors associated with self-isolating and completing a contact follow-up program: a retrospective analysis of Ontario, Canada’s COVID-19 contact tracing initiative","year":2025,"lang":"en","type":"article","venue":"BMC Public Health","topic":"COVID-19 Digital Contact Tracing","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Public Health Ontario","funders":"Johns Hopkins University","keywords":"Contact tracing; Biostatistics; Metropolitan area; Public health; Tracing; Epidemiology; MEDLINE; Health services research","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001026516,0.0003328561,0.0004589186,0.0009698027,0.002233844,0.001118434,0.001385462,0.0005170652,0.00122642],"category_scores_gemma":[0.003208145,0.0005180778,0.0006257473,0.003152277,0.0007048303,0.0004159031,0.001056555,0.0007542842,0.0001772464],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01448923,"about_ca_system_score_gemma":0.01896921,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9831725,"about_ca_topic_score_gemma":0.9868335,"domain_scores_codex":[0.9984519,0.0001193924,0.0001281961,0.0002793162,0.000615523,0.0004056553],"domain_scores_gemma":[0.9957997,0.0002360244,0.001519477,0.0002812608,0.001368602,0.0007949354],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002737255,0.00001218888,0.9986011,0.00001362537,0.00002137205,0.00002440581,0.0004702809,0.00001880933,0.00004154198,0.00001436763,0.0002760886,0.0004787852],"study_design_scores_gemma":[0.000001763695,0.00001309704,0.999057,0.00001502775,0.000009906455,0.00001767686,0.0005449791,0.00006657254,0.00001175234,0.000003390409,0.0002556312,0.000003267488],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9924534,0.0004905409,0.0001500695,0.0001737317,0.000008287967,0.00008733272,0.005412132,0.000008969894,0.0012155],"genre_scores_gemma":[0.9966117,0.0002509886,0.0001310815,0.00008720448,0.000004912787,0.0000519241,0.002285985,0.000005540066,0.0005707342],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01682746,"threshold_uncertainty_score":0.1051272,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08437558598025036,"score_gpt":0.3249572692490346,"score_spread":0.2405816832687843,"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."}}