{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":["metaresearch"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.3218243,0.00195321,0.003416029,0.004911212,0.001695856,0.003978374,0.006707516,0.007607943,0.003658372],"category_scores_gemma":[0.5153347,0.001448885,0.00518121,0.006330049,0.004809036,0.003762569,0.004315385,0.004188651,0.0005633386],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002301806,"about_ca_system_score_gemma":0.004948084,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005045594,"about_ca_topic_score_gemma":0.005867319,"domain_scores_codex":[0.4806923,0.455788,0.02901459,0.01390443,0.01866083,0.001939734],"domain_scores_gemma":[0.5406189,0.3843104,0.04256143,0.02215127,0.00913207,0.001226007],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.009335927,0.0005312585,0.3489171,0.05214638,0.04492512,0.002826249,0.01602023,0.007874267,0.001040333,0.1550148,0.150421,0.2109474],"study_design_scores_gemma":[0.00553071,0.006050792,0.2270942,0.06200251,0.02544172,0.002402728,0.006350253,0.0506683,0.003422625,0.3373194,0.2725275,0.001189257],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.07807989,0.1072633,0.6264642,0.08101986,0.04049305,0.04189706,0.01512477,0.0009620842,0.00869571],"genre_scores_gemma":[0.3864426,0.01806753,0.3840349,0.06060027,0.0172758,0.1256981,0.002764377,0.0005667967,0.00454961],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.6781757,"threshold_uncertainty_score":0.8363113,"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."}}