{"id":"W2744886889","doi":"10.1136/bjsports-2016-097372.38","title":"THE EFFECTIVENESS OF A NATIONAL BODY CHECKING POLICY CHANGE ON REDUCING INJURY RISK IN YOUTH ICE HOCKEY","year":2017,"lang":"en","type":"article","venue":"British Journal of Sports Medicine","topic":"Diverse Approaches in Healthcare and Education Studies","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Hotchkiss Brain Institute; Alberta Children's Hospital; University of Calgary","funders":"","keywords":"Ice hockey; Concussion; League; Injury prevention; Poison control; Suicide prevention; Poisson regression; Medicine; Psychology; Physical therapy; Demography; Physical medicine and rehabilitation; Medical emergency; Environmental health","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":[0.006379504,0.0003376907,0.00035765,0.0009252861,0.0007943427,0.001271577,0.001456425,0.001294374,0.001655626],"category_scores_gemma":[0.02598519,0.0002383946,0.0008605111,0.0005662083,0.0007722902,0.0004994553,0.001201646,0.0009887927,0.0001411297],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.008925706,"about_ca_system_score_gemma":0.02658357,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.4805388,"about_ca_topic_score_gemma":0.5412766,"domain_scores_codex":[0.9939893,0.001811784,0.0003993665,0.0004775443,0.001578241,0.001743761],"domain_scores_gemma":[0.9896403,0.002903123,0.003215136,0.0004271539,0.001898486,0.001915858],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.005546613,0.006734769,0.7789626,0.001140964,0.0007681656,0.0002656775,0.001231352,0.006180655,0.0005744144,0.001106334,0.006439352,0.1910492],"study_design_scores_gemma":[0.0003679533,0.003500198,0.9881387,0.0008919863,0.0003930328,0.00005840018,0.0008978461,0.001877239,0.0004586097,0.0001953159,0.003193462,0.00002717062],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9861502,0.003212292,0.0004022335,0.003470899,0.0002415,0.0003499378,0.0005778744,0.00003463139,0.00556055],"genre_scores_gemma":[0.9961749,0.001237238,0.0005468492,0.000895812,0.00006873543,0.0001239402,0.0003152712,0.000004173894,0.0006329346],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4805388,"threshold_uncertainty_score":0.9554835,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08823622949425416,"score_gpt":0.3820918738352486,"score_spread":0.2938556443409944,"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."}}