{"id":"W4206692575","doi":"10.1136/sextrans-2021-055215","title":"Chemsex and incidence of sexually transmitted infections among Canadian pre-exposure prophylaxis (PrEP) users in the l’Actuel PrEP Cohort (2013–2020)","year":2022,"lang":"en","type":"article","venue":"Sexually Transmitted Infections","topic":"HIV/AIDS Research and Interventions","field":"Medicine","cited_by":43,"is_retracted":false,"has_abstract":true,"ca_institutions":"Montreal Clinical Research Institute; McGill University Health Centre; Université du Québec en Abitibi-Témiscamingue; Public Health Ontario; University of Toronto; McGill University","funders":"Canadian Institutes of Health Research; Canadian Foundation for AIDS Research","keywords":"Medicine; Men who have sex with men; Chlamydia; Pre-exposure prophylaxis; Demography; Cohort; Transgender women; Polysubstance dependence; Incidence (geometry); Treatment as prevention; Gynecology; Hazard ratio; Cohort study; Syphilis; Human immunodeficiency virus (HIV); Family medicine; Viral load; Immunology; Internal medicine; Psychiatry; Antiretroviral therapy; Confidence interval; Substance abuse","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.001339371,0.0003793948,0.0005459985,0.001066135,0.0009857677,0.00008428909,0.0003915334,0.000216502,0.001563155],"category_scores_gemma":[0.0004286091,0.0003392615,0.0002694931,0.002636995,0.0005149802,0.0004348652,0.00005979586,0.001814553,0.00001137866],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003526217,"about_ca_system_score_gemma":0.001290159,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.203637,"about_ca_topic_score_gemma":0.4271328,"domain_scores_codex":[0.9960381,0.0006839867,0.0009235676,0.0006985329,0.0008547439,0.000801017],"domain_scores_gemma":[0.9977874,0.0003783356,0.0001550303,0.000784206,0.000360704,0.000534379],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001313726,0.001972508,0.9736178,0.0003779136,0.0005643776,0.00009740875,0.008443839,0.0006728369,0.003606872,0.0002059608,0.004802055,0.005507086],"study_design_scores_gemma":[0.001986226,0.009724451,0.9729685,0.0001292207,0.0002814098,0.0004831983,0.002585299,0.001606534,0.000199628,0.0001799357,0.009463675,0.0003919555],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.987924,0.000336831,0.001027404,0.001820687,0.0001593482,0.003079391,0.0003483191,0.0001408513,0.005163111],"genre_scores_gemma":[0.994709,0.0001982552,0.00009161323,0.0002573141,0.00007352854,0.001444874,0.0002333716,0.0000608236,0.002931256],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2234958,"threshold_uncertainty_score":0.9999059,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00984128866322239,"score_gpt":0.2672945597287596,"score_spread":0.2574532710655372,"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."}}