{"id":"W2025547609","doi":"10.1289/ehp.0900595","title":"Healthy Neighborhoods: Walkability and Air Pollution","year":2009,"lang":"en","type":"article","venue":"Environmental Health Perspectives","topic":"Urban Transport and Accessibility","field":"Social Sciences","cited_by":283,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Walkability; Environmental health; Air pollution; Environmental science; Geography; Urban sprawl; Built environment; Pollution; Air quality index; Land use; Medicine; Ecology; Meteorology","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0006258183,0.0001242241,0.0001870203,0.00004113074,0.000978301,0.00001886912,0.0001055813,0.00007370803,0.0003051839],"category_scores_gemma":[0.00002097137,0.000124559,0.00005283916,0.0001079458,0.0005340001,0.0003452871,0.00001267894,0.0001752457,0.00001410805],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009635589,"about_ca_system_score_gemma":0.0001266808,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001867585,"about_ca_topic_score_gemma":0.0007436544,"domain_scores_codex":[0.9983891,0.0002279583,0.0002300483,0.0004350995,0.0002894743,0.0004283515],"domain_scores_gemma":[0.9993845,0.00003138215,0.00008803818,0.0001685724,0.000004895146,0.000322658],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003053501,0.002830102,0.6185198,0.00005857471,0.00001905847,0.00000471764,0.2268225,0.000006479152,0.0001676733,0.02407034,0.0006876656,0.1265077],"study_design_scores_gemma":[0.0002649798,0.0003355358,0.9521465,0.000007056877,0.000002975173,3.371912e-7,0.03840407,0.000003966639,0.000008550472,0.004546282,0.004162854,0.0001168878],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9449845,0.005116472,0.00009231189,0.04461859,0.00008700783,0.0004711759,0.00002707102,0.00009258706,0.004510258],"genre_scores_gemma":[0.9955887,0.001174453,0.0002762811,0.002576892,0.0001910085,0.000005745845,0.000006827321,0.000005779839,0.0001743269],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3336267,"threshold_uncertainty_score":0.75244,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01281295936322201,"score_gpt":0.3134951273273344,"score_spread":0.3006821679641123,"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."}}