{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005753064,0.0002161994,0.0008357858,0.000136009,0.0001035694,0.00001386622,0.00005551126,0.00006377271,0.00002178709],"category_scores_gemma":[0.0007620676,0.0001747647,0.00009525637,0.000375961,0.0002655725,0.0005309708,0.00004356821,0.0001949783,0.000001872585],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002367074,"about_ca_system_score_gemma":0.00003858212,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001941668,"about_ca_topic_score_gemma":0.0003427674,"domain_scores_codex":[0.9982925,0.0001998293,0.000673482,0.0003214291,0.0003342911,0.0001784884],"domain_scores_gemma":[0.9984465,0.0003326337,0.000520275,0.0003230417,0.0002331624,0.0001444003],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008047455,0.0002152457,0.9642376,0.006571812,0.0001678421,0.00002112392,0.01568761,0.000007421085,0.0003257308,0.00005104919,0.001034649,0.01159949],"study_design_scores_gemma":[0.004092454,0.0004308838,0.9618157,0.01615585,0.002432969,0.0001885451,0.006937468,0.0002074066,0.0036137,0.00008623485,0.003420262,0.0006185053],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9647403,0.03408648,0.00005239921,0.0001078534,0.00007029631,0.0006556259,0.0001402353,0.00003253339,0.00011422],"genre_scores_gemma":[0.7853379,0.2139306,0.0002648478,0.00008449287,0.00004709854,0.00001212265,0.00008309667,0.00002000532,0.0002198056],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1798441,"threshold_uncertainty_score":0.7126698,"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."}}