{"id":"W4406525665","doi":"10.1093/ntr/ntaf015","title":"Trends in Mental Health Symptoms, Nicotine Product Use, and Their Association Over Time Among Adolescents in Canada, England, and the US: Findings From the ITC Adolescents Tobacco and Vaping Survey, 2020–2023","year":2025,"lang":"en","type":"article","venue":"Nicotine & Tobacco Research","topic":"Smoking Behavior and Cessation","field":"Medicine","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"Regional Municipality of Waterloo; University of Waterloo","funders":"National Cancer Institute; National Institutes of Health","keywords":"Tobacco product; Nicotine; Environmental health; Medicine; Tobacco use; Mental health; Association (psychology); Nicotine dependence; Psychiatry; Psychology; Population","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":[0.0007129327,0.0002300963,0.0003515281,0.001381765,0.001054225,0.001070515,0.0009920393,0.0004226765,0.000997549],"category_scores_gemma":[0.001772418,0.0003108531,0.0006293079,0.003220443,0.0004585994,0.0005233919,0.0008580777,0.0007601043,0.000176347],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.007372798,"about_ca_system_score_gemma":0.007335319,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9611018,"about_ca_topic_score_gemma":0.9763991,"domain_scores_codex":[0.9993446,0.00005752588,0.00007338156,0.000108855,0.000249866,0.0001657873],"domain_scores_gemma":[0.997807,0.0001232454,0.0006494134,0.00005291525,0.0008715381,0.0004959442],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00001124506,0.00001062672,0.9987709,0.00001466601,0.0000173953,0.00001382849,0.0002091281,0.00002446725,0.00002743829,0.00001334244,0.0002758662,0.0006111471],"study_design_scores_gemma":[9.641257e-7,0.000004986499,0.9991898,0.00001275402,0.000007061593,0.00001598859,0.0004733037,0.00005677335,0.00001219823,0.000003354002,0.00022055,0.000002162067],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9853942,0.0009113253,0.00006781349,0.0002800834,0.000009898788,0.00003297608,0.01237607,0.000009635312,0.0009179812],"genre_scores_gemma":[0.9916421,0.0008454807,0.0001904431,0.0001180371,0.000006503027,0.00003492343,0.006647479,0.000005124457,0.0005099455],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03889817,"threshold_uncertainty_score":0.07825446,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02768689299148204,"score_gpt":0.3156126702268,"score_spread":0.2879257772353179,"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."}}