{"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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":["insufficient_payload"],"category_scores_codex":[0.0001587804,0.0001259921,0.0001342944,0.00008967188,0.0002297637,0.00002212254,0.00007334124,0.00008475879,0.001087637],"category_scores_gemma":[0.0000949104,0.00009138757,0.00006278896,0.0002964794,0.00007616782,0.0001675085,0.00002450345,0.0002591647,0.001631557],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001037436,"about_ca_system_score_gemma":0.000008530552,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004630475,"about_ca_topic_score_gemma":0.0005550734,"domain_scores_codex":[0.9990695,0.00004173691,0.0001944046,0.0002153713,0.0002819249,0.0001970239],"domain_scores_gemma":[0.9993724,0.00006134037,0.00007893628,0.0003475673,0.00005937706,0.00008037009],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.0001554072,0.0006325408,0.1192489,0.00004127266,0.0003182622,0.00003317846,0.08088072,0.0004646246,0.0006053167,0.00006232107,0.6762648,0.1212927],"study_design_scores_gemma":[0.006663178,0.002047328,0.5630392,0.0006768422,0.001996705,0.0002136095,0.06851046,0.09170257,0.004659418,0.0001379887,0.2591854,0.001167246],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.964662,0.0001643014,0.00005130789,0.001464033,0.0004366855,0.0003601318,0.00002653186,0.0003064127,0.03252862],"genre_scores_gemma":[0.9865806,0.00005210566,0.00002028889,0.0002971762,0.0005887985,0.00001961558,0.00007602834,0.00002767943,0.01233778],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4437904,"threshold_uncertainty_score":0.9998255,"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."}}