{"id":"W4296229293","doi":"10.1016/j.mhpa.2022.100473","title":"The association of physical activity, sleep, and screen time with mental health in Canadian adolescents during the COVID-19 pandemic: A longitudinal isotemporal substitution analysis","year":2022,"lang":"en","type":"article","venue":"Mental health and physical activity","topic":"COVID-19 and Mental Health","field":"Psychology","cited_by":43,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo; University of British Columbia; Brock University","funders":"","keywords":"Screen time; Mental health; Anxiety; Longitudinal study; Depression (economics); Multilevel model; Psychology; Sleep (system call); Medicine; Association (psychology); Clinical psychology; Psychiatry; Physical activity; Physical therapy","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":[0.002463649,0.0009453191,0.0006992995,0.001988509,0.003835592,0.001771974,0.002838767,0.001409851,0.003282225],"category_scores_gemma":[0.004994442,0.0007497969,0.002721201,0.005695904,0.001072624,0.0008800086,0.002354315,0.002537092,0.0004420208],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01722342,"about_ca_system_score_gemma":0.03606625,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.991117,"about_ca_topic_score_gemma":0.9913829,"domain_scores_codex":[0.9976731,0.0003050446,0.0001709509,0.0003462794,0.0004589606,0.001045671],"domain_scores_gemma":[0.9959571,0.0002814182,0.0008116365,0.0004017352,0.001637294,0.0009109232],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000126135,0.00004656944,0.9975297,0.00001371823,0.0001323867,0.00002240089,0.0003627797,0.00008356367,0.00006232559,0.00006803287,0.0004656553,0.001086751],"study_design_scores_gemma":[0.000006446539,0.00003719274,0.9977216,0.00001939027,0.00005667009,0.00001896356,0.001127109,0.0004124503,0.00002467347,0.00001711097,0.0005476983,0.000010683],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9904494,0.0005581812,0.0002136583,0.0003953271,0.0000328361,0.000061455,0.007240572,0.00001555124,0.001032997],"genre_scores_gemma":[0.9931095,0.0003656074,0.0003463672,0.000139399,0.00001181938,0.00008455088,0.004672175,0.00001264178,0.001257884],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01722342,"threshold_uncertainty_score":0.1249653,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04047843243580566,"score_gpt":0.3800917659281445,"score_spread":0.3396133334923389,"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."}}