{"id":"W2153087107","doi":"10.1016/j.drugpo.2009.07.003","title":"Assessing a drop box programme: A spatial analysis of discarded needles","year":2009,"lang":"en","type":"article","venue":"International Journal of Drug Policy","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":29,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University Health Centre; McGill University","funders":"Robert Wood Johnson Foundation","keywords":"Drop (telecommunication); Drop out; Geography; Psychology; Environmental health; Transport engineering; Medicine; Computer science; Engineering; Demographic economics; Economics","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":[0.0004618805,0.0001716044,0.0006276496,0.001957237,0.00003199844,0.0001081123,0.0003922409,0.00006530192,0.00007035461],"category_scores_gemma":[0.0008470705,0.0001371382,0.0005350604,0.0008752325,0.00008441615,0.0003506451,0.00004628748,0.0003057748,0.000005956238],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002710698,"about_ca_system_score_gemma":0.0005782393,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006572478,"about_ca_topic_score_gemma":0.00006839552,"domain_scores_codex":[0.9973995,0.00008104465,0.0009266808,0.0001527162,0.001182546,0.0002575249],"domain_scores_gemma":[0.9975672,0.0001155026,0.0008565349,0.0001940291,0.001025721,0.0002409769],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.001261617,0.002934768,0.1333628,0.00004940149,0.01266026,0.0007911838,0.04814592,0.001386114,0.03295312,0.002153222,0.002445821,0.7618558],"study_design_scores_gemma":[0.009348786,0.001388118,0.9034872,0.001017627,0.006850669,0.001229547,0.04036395,0.009750705,0.01797488,0.003001002,0.004934463,0.0006530274],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9775174,0.0001433517,0.003000286,0.01419614,0.0002889227,0.0001227667,0.00004275005,0.00002227972,0.004666112],"genre_scores_gemma":[0.9950327,0.00005075118,0.002376132,0.000660615,0.001488085,0.000001247118,0.00004075742,0.00001629063,0.0003334074],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7701244,"threshold_uncertainty_score":0.5592332,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04032721883745198,"score_gpt":0.4187332201563794,"score_spread":0.3784060013189274,"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."}}