{"id":"W2058000194","doi":"10.1046/j.1360-0443.2002.00161.x","title":"Drug injection among street youth: the first time","year":2002,"lang":"en","type":"article","venue":"Addiction","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":99,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Heroin; Drug; Medicine; Injection drug use; Cohort; Drug injection; Psychiatry; Family medicine; Internal medicine","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0003115023,0.0001409961,0.0002517961,0.0008720073,0.0005390137,0.000761893,0.0002031477,0.0004118668,0.002666705],"category_scores_gemma":[0.001218791,0.0001964106,0.0002993665,0.0006734543,0.0002393188,0.0007454843,0.0004098512,0.0004772873,0.0002587533],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003350683,"about_ca_system_score_gemma":0.0003682634,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008122595,"about_ca_topic_score_gemma":0.01430178,"domain_scores_codex":[0.9997013,0.00005611592,0.00002739171,0.00003574787,0.00008314825,0.00009616333],"domain_scores_gemma":[0.9984246,0.000112095,0.001051682,0.00002736072,0.0001157941,0.0002684171],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002437496,0.00002634825,0.9973986,0.0000185185,0.000007059658,0.0002743352,0.0004254808,0.000006688337,0.00009516797,0.00002233985,0.00009360956,0.00160738],"study_design_scores_gemma":[0.000002946113,0.00009578824,0.9958722,0.00005071154,0.00001474651,0.001883584,0.001462308,0.00004429404,0.00006908935,0.00002088473,0.0004797723,0.000003688698],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988672,0.0005138994,0.00002708401,0.00005035832,0.000006107584,0.000008526274,0.0001899099,0.000002149625,0.000334995],"genre_scores_gemma":[0.9989318,0.0005886445,0.00006676937,0.00003061911,0.00001734096,0.00000869978,0.0001823869,0.000001584124,0.0001720221],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008122595,"threshold_uncertainty_score":0.01615065,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0268503078644145,"score_gpt":0.2619906243639369,"score_spread":0.2351403164995224,"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."}}