{"id":"W2765850216","doi":"10.2196/publichealth.8116","title":"Sampling Key Populations for HIV Surveillance: Results From Eight Cross-Sectional Studies Using Respondent-Driven Sampling and Venue-Based Snowball Sampling","year":2017,"lang":"en","type":"article","venue":"JMIR Public Health and Surveillance","topic":"HIV/AIDS Research and Interventions","field":"Medicine","cited_by":58,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Eunice Kennedy Shriver National Institute of Child Health and Human Development; National Institute of Allergy and Infectious Diseases; National Institute on Drug Abuse; National Institute of General Medical Sciences; National Heart, Lung, and Blood Institute; National Institute of Mental Health; National Institute on Aging; National Cancer Institute; United States Agency for International Development; National Institutes of Health; National Institute of Diabetes and Digestive and Kidney Diseases; Bill and Melinda Gates Foundation; Johns Hopkins University; Center for AIDS Research, University of Washington","keywords":"Snowball sampling; Respondent; Men who have sex with men; Demography; Sampling (signal processing); Population; Medicine; Human immunodeficiency virus (HIV); Cross-sectional study; Environmental health; Virology; Syphilis; Sociology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.05607206,0.0007789347,0.0004537719,0.002111262,0.001043084,0.001041989,0.001029463,0.0006562643,0.001347144],"category_scores_gemma":[0.04385754,0.0005744981,0.0008300775,0.002586226,0.0007331584,0.0008763169,0.001660295,0.0004771891,0.0003545457],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009825868,"about_ca_system_score_gemma":0.002158693,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007487987,"about_ca_topic_score_gemma":0.0141474,"domain_scores_codex":[0.9670808,0.02521491,0.003350006,0.001436061,0.002363954,0.0005543741],"domain_scores_gemma":[0.9656407,0.01331866,0.007034041,0.003700018,0.009754973,0.0005516064],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003744897,0.0001850891,0.9528679,0.001519957,0.0004155609,0.0001184364,0.008978476,0.0001579989,0.002286235,0.0002256454,0.0008895746,0.03198074],"study_design_scores_gemma":[0.0001738154,0.001636879,0.9728827,0.001723409,0.0005674732,0.0005295626,0.0124376,0.0005998075,0.002520782,0.0002196183,0.006672618,0.00003575746],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.961928,0.004039285,0.01615093,0.0002255654,0.00007726152,0.0112654,0.003266365,0.00003900828,0.003008134],"genre_scores_gemma":[0.9527891,0.002441745,0.02772648,0.0005554906,0.00004205383,0.01300817,0.002961444,0.00002536736,0.000450133],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05607206,"threshold_uncertainty_score":0.2965409,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.3104090457781766,"score_gpt":0.4944053244856624,"score_spread":0.1839962787074858,"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."}}