{"id":"W4402557924","doi":"10.1111/ppe.13120","title":"Conception cohorts, birth cohorts and gestational age–period–cohort effects: Study design and interpretation","year":2024,"lang":"en","type":"article","venue":"Paediatric and Perinatal Epidemiology","topic":"Health disparities and outcomes","field":"Social Sciences","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Children's & Women's Health Centre of British Columbia; University of British Columbia","funders":"","keywords":"Medicine; Gestational age; Cohort study; Demography; Cohort effect; Cohort; Period (music); Obstetrics; Pediatrics; Pregnancy; Internal medicine","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003389857,0.0001497841,0.0004246604,0.0001106091,0.0004198994,0.00007539914,0.00005349466,0.0001484085,0.00005403819],"category_scores_gemma":[0.002086349,0.0001298697,0.0000330359,0.0001526855,0.0004285803,0.0002232891,0.00005639445,0.0001929493,0.000005890028],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005458149,"about_ca_system_score_gemma":0.0001137222,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002203254,"about_ca_topic_score_gemma":0.0002148028,"domain_scores_codex":[0.9973919,0.001335818,0.000358885,0.0004275557,0.0001281406,0.0003577073],"domain_scores_gemma":[0.9936805,0.005932559,0.00006765925,0.00006641346,0.00003374192,0.0002190818],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000035067,0.00001415355,0.9202338,0.0003518086,0.0000408497,0.00005417072,0.007500115,0.00001430849,5.420546e-7,0.01477955,0.0004795163,0.05649614],"study_design_scores_gemma":[0.0002501316,0.0002568779,0.9784423,0.00003190431,0.00006252795,0.00002139638,0.002203318,0.003717832,1.637139e-7,0.003367311,0.01147684,0.0001694004],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9594499,0.02859993,0.007106233,0.002605692,0.0007819316,0.001060667,0.00001768509,0.00009972118,0.0002782101],"genre_scores_gemma":[0.9871617,0.01038468,0.0009184739,0.0008005896,0.0003443574,0.0001321736,0.00001434004,0.00001093,0.0002327467],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05820852,"threshold_uncertainty_score":0.5295933,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02933253736604141,"score_gpt":0.3556921670627927,"score_spread":0.3263596296967513,"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."}}