{"id":"W2003250474","doi":"10.1080/08897070903041228","title":"Legal Ages for Purchase and Consumption of Alcohol and Heavy Drinking among College Students in Canada, Europe, and the United States","year":2009,"lang":"en","type":"article","venue":"Substance Abuse","topic":"Substance Abuse Treatment and Outcomes","field":"Medicine","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Alcohol consumption; Environmental health; Heavy drinking; Consumption (sociology); Substance use; Psychology; Suicide prevention; Political science; Medicine; Poison control; Alcohol; Psychiatry; Sociology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007204709,0.0001413594,0.0003392591,0.001815682,0.001233149,0.0008584114,0.0005349419,0.0003086139,0.001283821],"category_scores_gemma":[0.004356721,0.0002383446,0.0003420936,0.002613609,0.000611906,0.0002983664,0.0005934058,0.0005217932,0.0000969043],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.004970436,"about_ca_system_score_gemma":0.007196346,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9246635,"about_ca_topic_score_gemma":0.9548823,"domain_scores_codex":[0.999426,0.00007770705,0.00005513009,0.00005177314,0.0002240129,0.0001653637],"domain_scores_gemma":[0.995859,0.0004924487,0.001221379,0.0001224049,0.001200456,0.001104422],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004470892,0.00002872249,0.9977505,0.00001066156,0.00002599029,0.00002369559,0.0002387339,0.00001737135,0.00002463019,0.00003245752,0.0001922172,0.001610395],"study_design_scores_gemma":[0.000002551005,0.000008577787,0.999479,0.000008769704,0.000007904639,0.00001995451,0.0003064384,0.00002396492,0.00001440971,0.000007734027,0.0001187016,0.000002014356],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976655,0.0005535628,0.0000248058,0.0001436882,0.000006316073,0.0000129056,0.0006043185,0.000003861582,0.0009850276],"genre_scores_gemma":[0.9986882,0.0004573445,0.00004576724,0.00004313834,0.000006612981,0.000005423336,0.0004983093,0.000001612353,0.0002536116],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07533646,"threshold_uncertainty_score":0.1515602,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0191680554668684,"score_gpt":0.2783076143443388,"score_spread":0.2591395588774704,"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."}}