{"id":"W4406666519","doi":"10.1001/jamanetworkopen.2024.55310","title":"Trends in Prenatal Substance Use Across Ontario, Canada","year":2025,"lang":"en","type":"article","venue":"JAMA Network Open","topic":"Prenatal Substance Exposure Effects","field":"Medicine","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ontario Stroke Network; Agricultural Research Institute of Ontario; University of Ottawa","funders":"Canadian Institutes of Health Research","keywords":"Cannabis; Substance use; Environmental health; Cross-sectional study; Medicine; Demography; Geography; Psychiatry; Sociology","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004298446,0.0003314827,0.0003549611,0.001831779,0.002146211,0.001024907,0.001024371,0.0003969814,0.002056775],"category_scores_gemma":[0.001735196,0.0004708365,0.0006688668,0.005101979,0.0004686521,0.0004590632,0.0008011021,0.0006110531,0.0002651039],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03788559,"about_ca_system_score_gemma":0.04871589,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.998735,"about_ca_topic_score_gemma":0.999284,"domain_scores_codex":[0.9989886,0.00004745061,0.00008795031,0.0001540671,0.0004280459,0.0002939132],"domain_scores_gemma":[0.9974933,0.00008452351,0.0005051707,0.00004518853,0.001383981,0.000487868],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006203375,0.0000237317,0.9886655,0.000115709,0.00008343375,0.0001149193,0.001209411,0.0001648177,0.0003105284,0.0001588731,0.003834795,0.005256305],"study_design_scores_gemma":[0.000004862727,0.00001161723,0.9970388,0.00004335672,0.00002460087,0.00003580317,0.0008424637,0.000135916,0.00004868214,0.00001108517,0.001795152,0.00000760386],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9231569,0.003821367,0.0003918882,0.002007365,0.00005160371,0.0001269396,0.06150101,0.00008725281,0.008855694],"genre_scores_gemma":[0.9817378,0.002970881,0.0006002201,0.0003513472,0.00001587823,0.00007408537,0.008962198,0.00001965832,0.005267821],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03788559,"threshold_uncertainty_score":0.2748805,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01699480669816114,"score_gpt":0.2825216624175688,"score_spread":0.2655268557194076,"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."}}