{"id":"W4226026436","doi":"10.1136/bmjopen-2021-057846","title":"SARS-CoV-2 seroprevalence among Vancouver public school staff in British Columbia, Canada: a cross-sectional study","year":2022,"lang":"en","type":"article","venue":"BMJ Open","topic":"COVID-19 epidemiological studies","field":"Mathematics","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Blood Services; University of Ottawa; Simon Fraser University; Vancouver Coastal Health; University of British Columbia; BC Centre for Disease Control; BC Children's Hospital","funders":"British Columbia Centre for Disease Control; Canadian Blood Services; BC Children's Hospital","keywords":"Medicine; Cross-sectional study; Seroprevalence; Public health; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Coronavirus disease 2019 (COVID-19); Epidemiology; 2019-20 coronavirus outbreak; Family medicine; Environmental health; Optometry; Virology; Nursing; Outbreak; Immunology; Infectious disease (medical specialty)","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0006439644,0.0004802086,0.0004813805,0.001597602,0.002929122,0.001333123,0.001282449,0.0005140067,0.002388747],"category_scores_gemma":[0.001287326,0.0007879543,0.0002652245,0.003552656,0.0006862924,0.0003579676,0.000667187,0.0006019607,0.0006180663],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0156462,"about_ca_system_score_gemma":0.01868894,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9894854,"about_ca_topic_score_gemma":0.9953414,"domain_scores_codex":[0.999063,0.00007345049,0.00006752407,0.0001730148,0.0003623868,0.0002606824],"domain_scores_gemma":[0.9975595,0.00008549585,0.0003178983,0.00006153245,0.001425152,0.0005504873],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004056192,0.00004312115,0.994643,0.00005664191,0.00002856442,0.00009486043,0.0007790697,0.00003600585,0.000237239,0.00001638486,0.0008748179,0.003149679],"study_design_scores_gemma":[0.000005484922,0.00003936378,0.996884,0.00004613535,0.00001612801,0.00006124789,0.002030537,0.00008694992,0.00005095024,0.000004750042,0.000768564,0.000005730169],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9935953,0.0006820018,0.0001111509,0.0001355871,0.00001190631,0.0001069271,0.003234182,0.00001312684,0.002109712],"genre_scores_gemma":[0.9946052,0.0008907046,0.0003261915,0.0001925092,0.000007535709,0.00006714621,0.001708763,0.000007254994,0.002194692],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0156462,"threshold_uncertainty_score":0.1135216,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2790217060657491,"score_gpt":0.4560639303647958,"score_spread":0.1770422242990468,"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."}}