{"id":"W4414161475","doi":"10.1177/08901171251379431","title":"Prospective Associations Between Early Childhood Screen Time Trajectories During the COVID-19 Pandemic and Accelerometer-Measured Physical Activity by Age 5","year":2025,"lang":"en","type":"article","venue":"American Journal of Health Promotion","topic":"Child Development and Digital Technology","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Sherbrooke","funders":"Social Sciences and Humanities Research Council; Canadian Institutes of Health Research; Research Nova Scotia","keywords":"Screen time; Physical activity; Early childhood; Pandemic; Longitudinal study; Limiting; Cohort study; Cohort; Prospective cohort study; Injury prevention","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001273948,0.00009619235,0.0003635409,0.0001315838,0.0008943665,0.00008413009,0.0001830705,0.00004833477,0.000003174716],"category_scores_gemma":[0.0006458868,0.00007490256,0.00006061671,0.0006617801,0.0004556733,0.0003189729,0.00003830708,0.0003387832,0.000001215629],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006579756,"about_ca_system_score_gemma":0.0007385837,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00112653,"about_ca_topic_score_gemma":0.0001296444,"domain_scores_codex":[0.9984871,0.0005134772,0.0002654185,0.0001504205,0.0003234492,0.0002601138],"domain_scores_gemma":[0.9988213,0.000271167,0.0006243243,0.00007379058,0.0000810136,0.0001283899],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002233917,0.0002386515,0.8801625,0.000007568922,0.0001151816,0.000001030849,0.01638404,2.647033e-7,0.0001525098,0.0002742285,0.0002786499,0.102363],"study_design_scores_gemma":[0.0003625352,0.0003458795,0.9953619,0.00001956186,0.00001606006,0.000002424935,0.0005850433,3.142062e-7,0.0000372947,0.00293465,0.0002662139,0.00006814115],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9870967,0.00004633099,0.0004462018,0.01161571,0.00004321407,0.0003759034,0.00003615262,0.00005790644,0.0002818618],"genre_scores_gemma":[0.999521,0.00005724424,0.00005757807,0.000121416,0.0001009816,0.000005514742,0.000004451083,0.000005658373,0.0001262074],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1151994,"threshold_uncertainty_score":0.6878834,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03880636957625952,"score_gpt":0.3517840854041262,"score_spread":0.3129777158278667,"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."}}