{"id":"W2064785502","doi":"10.1080/09595230801914750","title":"Circumstances of first crystal methamphetamine use and initiation of injection drug use among high‐risk youth","year":2008,"lang":"en","type":"article","venue":"Drug and Alcohol Review","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":69,"is_retracted":false,"has_abstract":true,"ca_institutions":"AIDS Vancouver; St. Paul's Hospital; University of British Columbia","funders":"National Institute on Drug Abuse; Canadian Institutes of Health Research; National Institutes of Health; Michael Smith Health Research BC","keywords":"Medicine; McNemar's test; Drug; Cohort; Prospective cohort study; Outreach; Demography; Internal medicine; Psychiatry","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":[0.0004033604,0.0001781114,0.0002732716,0.001026042,0.0008867321,0.001073617,0.0004487611,0.0004213833,0.002442343],"category_scores_gemma":[0.002234569,0.000297284,0.0003428372,0.001239135,0.0004062777,0.0002776069,0.0006117203,0.0006108141,0.0001904269],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001165104,"about_ca_system_score_gemma":0.001511315,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2726939,"about_ca_topic_score_gemma":0.4041068,"domain_scores_codex":[0.9996271,0.00006242823,0.00003275742,0.00004240315,0.0001272282,0.000108043],"domain_scores_gemma":[0.9975089,0.0002556002,0.001198794,0.00005209331,0.0002983583,0.0006863421],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00001118343,0.000009010299,0.9994646,0.000004242409,0.000006336007,0.00002508529,0.0000857613,0.000008317443,0.00001545127,0.000004807917,0.00003489563,0.0003303346],"study_design_scores_gemma":[6.498213e-7,0.0000113749,0.999576,0.000009805971,0.000004493244,0.0000543951,0.0002558558,0.00002539299,0.00001034555,0.00000358009,0.00004691378,0.000001185172],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9991229,0.0001869229,0.00001209554,0.00003797714,0.000002496041,0.000006170307,0.0002534287,0.00000163119,0.0003764009],"genre_scores_gemma":[0.9994552,0.0002017571,0.00002928028,0.000008165716,0.000003510135,0.000003291679,0.0002054532,8.824103e-7,0.0000926151],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2726939,"threshold_uncertainty_score":0.5422132,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07871877248743638,"score_gpt":0.3158391961915318,"score_spread":0.2371204237040954,"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."}}