{"id":"W7114986467","doi":"10.17605/osf.io/nzpa9","title":"Trends in nicotine product use among youth in Canada from 2017 to 2024","year":2025,"lang":"","type":"other","venue":"Open Science Framework","topic":"","field":"","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Nicotine; Tobacco product; Product (mathematics); Smoking epidemiology; Smoking cessation","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":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","metaepi_narrow","bibliometrics","scholarly_communication","open_science","research_integrity","insufficient_payload"],"consensus_categories":["metaepi_narrow","open_science","insufficient_payload"],"category_scores_codex":[0.005596496,0.001874387,0.002768738,0.007107338,0.000585282,0.006106407,0.02423765,0.0008482338,0.03017334],"category_scores_gemma":[0.01193343,0.001958997,0.0001636503,0.04692461,0.002076302,0.003159626,0.01054449,0.004793288,0.00379201],"about_ca_system_candidate":true,"about_ca_system_consensus":true,"about_ca_system_score_codex":0.0124345,"about_ca_system_score_gemma":0.04857044,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9984894,"about_ca_topic_score_gemma":0.9992531,"domain_scores_codex":[0.9811882,0.0007354948,0.002240014,0.007881865,0.004056126,0.003898309],"domain_scores_gemma":[0.9876716,0.0006655469,0.001275087,0.008351624,0.0004260011,0.001610162],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000228687,0.000399784,0.7271181,0.00002770404,0.00005847804,0.0002621133,0.003892456,0.003087541,0.00009256051,0.0002277703,0.2379209,0.02668392],"study_design_scores_gemma":[0.001148116,0.00009820736,0.8710116,0.02177712,0.000169992,0.000001279113,0.003899475,0.0006538224,0.0004853104,0.0004693775,0.09668622,0.003599552],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.4526551,0.00125323,0.00006653981,0.00271021,0.0194539,0.008812176,0.01218973,0.00007590512,0.5027832],"genre_scores_gemma":[0.4957436,0.00006708249,0.0130472,0.000924573,0.0006644279,0.0002658826,0.0001533536,0.0006008483,0.488533],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.1438934,"threshold_uncertainty_score":0.9994,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03974336021714701,"score_gpt":0.3220879817350501,"score_spread":0.2823446215179031,"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."}}