{"id":"W3149050935","doi":"10.9778/cmajo.20200253","title":"Factors associated with SARS-CoV-2 positivity in 20 homeless shelters in Toronto, Canada, from April to July 2020: a repeated cross-sectional study","year":2021,"lang":"en","type":"article","venue":"CMAJ Open","topic":"Homelessness and Social Issues","field":"Health Professions","cited_by":21,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; St. Michael's Hospital","funders":"Canadian Institutes of Health Research; University of Toronto; St. Michael's Hospital Foundation","keywords":"Medicine; Outbreak; Cross-sectional study; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Coronavirus disease 2019 (COVID-19); Public health; Outreach; Demography; Public health surveillance; Environmental health; Emergency medicine; Disease; Virology; Internal medicine; Infectious disease (medical specialty)","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007703389,0.0002552481,0.0009280719,0.00004379553,0.0004876759,0.0001428556,0.0004438837,0.0002278449,0.0004894279],"category_scores_gemma":[0.0003561056,0.000229762,0.00003805772,0.000588471,0.00003068249,0.0003647672,0.0004548411,0.0005576937,0.00001519762],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003624728,"about_ca_system_score_gemma":0.002202891,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9915102,"about_ca_topic_score_gemma":0.9999,"domain_scores_codex":[0.9963998,0.001200845,0.0006708665,0.0006475926,0.0004642706,0.0006166529],"domain_scores_gemma":[0.9985625,0.0004524334,0.0001882738,0.0003490908,0.0003012713,0.0001464799],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001452092,0.0003628772,0.9711111,0.00001176418,0.00008449089,0.0002081759,0.0274149,0.00002102469,0.0003532069,0.0000117128,0.0001837279,0.00009178602],"study_design_scores_gemma":[0.002119998,0.00006600029,0.9378668,0.0001836603,0.00001054666,3.406647e-8,0.05896952,0.00001132254,0.0003005886,0.00002071823,0.0001724643,0.0002783623],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9935717,0.00005405759,0.00000380698,0.0001216379,0.0005098272,0.00162252,0.000499787,0.00003101473,0.003585642],"genre_scores_gemma":[0.9982616,0.00000320072,0.000009983691,0.0003082973,0.00007688715,0.0002654402,0.0003535866,0.00003910917,0.0006819109],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03324433,"threshold_uncertainty_score":0.9478539,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09782874009830972,"score_gpt":0.4311949841849927,"score_spread":0.333366244086683,"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."}}