{"id":"W1972989118","doi":"10.1016/j.drugalcdep.2010.09.003","title":"Initiation to drug injection among street youth: A gender-based analysis","year":2010,"lang":"en","type":"article","venue":"Drug and Alcohol Dependence","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":32,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University; Université de Sherbrooke; Institut National de Santé Publique du Québec","funders":"","keywords":"Heroin; Medicine; Demography; Hazard ratio; Incidence (geometry); Proportional hazards model; Substance abuse; Injury prevention; Poison control; Drug; Psychiatry; Internal medicine; Confidence interval; Environmental health","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005311945,0.0002323693,0.0003553298,0.0005735335,0.0001726331,0.00007461762,0.0001402355,0.0001211425,0.0001187159],"category_scores_gemma":[0.0002712359,0.0002155821,0.0001155157,0.001043761,0.00008196384,0.0002417249,0.00005731942,0.0004898023,0.00006483267],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004091719,"about_ca_system_score_gemma":0.00009762575,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00130077,"about_ca_topic_score_gemma":0.008205712,"domain_scores_codex":[0.9981432,0.00007955373,0.0003315051,0.0005709984,0.0005398628,0.00033486],"domain_scores_gemma":[0.9986795,0.00012144,0.0001233286,0.0004971793,0.0001812525,0.0003972755],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001188693,0.0001982074,0.9652135,0.00005745422,0.000231569,0.00005247457,0.01886872,0.0008310502,0.006987193,0.00007154277,0.0004048976,0.006964474],"study_design_scores_gemma":[0.002274059,0.0001782839,0.9225582,0.00008983681,0.002166519,0.00002150773,0.03502439,0.01681031,0.01987593,0.000136016,0.0001817026,0.0006832745],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.995158,0.00002863216,0.001445682,0.0002820464,0.0002284299,0.0003911274,0.00006452563,0.0001485361,0.002253031],"genre_scores_gemma":[0.9976476,0.000007939631,0.0009243819,0.000511062,0.000194236,0.00003235684,0.0001614271,0.00002698717,0.0004940052],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04265537,"threshold_uncertainty_score":0.8791182,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05024167734476747,"score_gpt":0.3316443061694429,"score_spread":0.2814026288246754,"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."}}