{"id":"W4304789601","doi":"10.1136/bmjopen-2022-060857","title":"Evaluating the association between urine drug screening frequency and retention in opioid agonist treatment in Ontario, Canada: a retrospective cohort study","year":2022,"lang":"en","type":"article","venue":"BMJ Open","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"NOSM University; Health Sciences North","funders":"Northern Ontario Academic Medicine Association","keywords":"Medicine; Retrospective cohort study; Urine; Cohort; Drug; Agonist; Opioid; Cohort study; Family medicine; Internal medicine; Pharmacology","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":[0.001383854,0.0003588298,0.0004655771,0.001257031,0.001939421,0.001016742,0.001159389,0.0003943274,0.001244461],"category_scores_gemma":[0.003123859,0.0004761531,0.0007471225,0.003367898,0.0006368637,0.0004088058,0.0008247815,0.0005657581,0.00017281],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01127474,"about_ca_system_score_gemma":0.01815814,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9712386,"about_ca_topic_score_gemma":0.9784505,"domain_scores_codex":[0.9985764,0.000116883,0.0001118365,0.0002873595,0.0005424721,0.0003650589],"domain_scores_gemma":[0.9966413,0.0001785372,0.001187689,0.0002019905,0.001364651,0.0004257888],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002281445,0.000007723343,0.9987914,0.00001537346,0.00004025142,0.00003139367,0.0001348899,0.00001768813,0.00005071238,0.0000139888,0.0002532383,0.0006204682],"study_design_scores_gemma":[0.000003908754,0.0000221074,0.998997,0.00002193404,0.00003428927,0.00005564286,0.000312098,0.0001040812,0.00002283091,0.000006448098,0.0004148963,0.000004752335],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9918716,0.001020434,0.0003023469,0.0002093853,0.00001811623,0.000119189,0.005345214,0.00001276752,0.001101022],"genre_scores_gemma":[0.9962637,0.0006425395,0.0003290369,0.0001279092,0.00001017672,0.00004568248,0.002025974,0.00000591971,0.0005490434],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02876145,"threshold_uncertainty_score":0.08180434,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1221491706909947,"score_gpt":0.4157941086203001,"score_spread":0.2936449379293055,"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."}}