{"id":"W4410615506","doi":"10.2105/ajph.2025.308090","title":"Minimum Legal Age of Nonmedical Cannabis Purchase Laws and Cannabis-Related Hospitalizations in Canada, 2015 to 2022","year":2025,"lang":"en","type":"article","venue":"American Journal of Public Health","topic":"Cannabis and Cannabinoid Research","field":"Medicine","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ottawa Hospital","funders":"","keywords":"Legalization; Cannabis; Demography; Quarter (Canadian coin); Confidence interval; Medicine; Public health; Population; Young adult; Psychiatry; Gerontology; Environmental health; Geography","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006445161,0.0003075208,0.0004928624,0.001144756,0.001611324,0.001169462,0.001306219,0.0004061582,0.002425613],"category_scores_gemma":[0.003554887,0.0003345473,0.001145919,0.002179508,0.0004969607,0.000532158,0.0009375317,0.00135919,0.0001410943],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.03195989,"about_ca_system_score_gemma":0.04925372,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9951989,"about_ca_topic_score_gemma":0.9964868,"domain_scores_codex":[0.999043,0.00004902886,0.00007820613,0.0001422903,0.0003091249,0.0003781872],"domain_scores_gemma":[0.9968452,0.0001169739,0.0008829726,0.00005867599,0.001245026,0.0008512164],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001310393,0.0000366291,0.9910328,0.00009983178,0.0001320404,0.00004505791,0.0002164959,0.0002338054,0.00007070301,0.0001655971,0.00343461,0.004401356],"study_design_scores_gemma":[0.00001154225,0.00002037737,0.9978786,0.00007551268,0.00005198272,0.00004010024,0.000351173,0.0003599548,0.00005156294,0.00003006381,0.001121373,0.000007886911],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9341825,0.005039709,0.0004973497,0.003008203,0.0001058542,0.0001117522,0.05327003,0.00007731302,0.003707174],"genre_scores_gemma":[0.9867395,0.001432279,0.0003761182,0.0003932957,0.0000311832,0.00004184849,0.009737584,0.00001148661,0.001236773],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03195989,"threshold_uncertainty_score":0.2318863,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01126393566530027,"score_gpt":0.3215817890976054,"score_spread":0.3103178534323052,"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."}}