{"id":"W2130629169","doi":"10.1016/s1047-2797(00)00055-7","title":"Validity of Nutrient Estimates by Food Frequency Questionnaires Based Either on Exact Frequencies or Categories","year":2000,"lang":"en","type":"article","venue":"Annals of Epidemiology","topic":"Nutritional Studies and Diet","field":"Medicine","cited_by":18,"is_retracted":false,"has_abstract":false,"ca_institutions":"Mount Sinai Hospital; University of Toronto; Toronto Public Health","funders":"","keywords":"Medicine; Food frequency questionnaire; Nutrient; Statistics; Environmental health","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0009736631,0.0001931422,0.0008615318,0.00007068847,0.00007218717,0.000001440988,0.00009944118,0.0001450775,0.001211888],"category_scores_gemma":[0.005012525,0.0001306925,0.0001897934,0.0001369432,0.0004957251,0.0000429324,0.00001307831,0.0001233033,0.00001700658],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001897293,"about_ca_system_score_gemma":0.00007955457,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008960771,"about_ca_topic_score_gemma":0.00004033893,"domain_scores_codex":[0.998264,0.0002604378,0.0006916131,0.0002775038,0.0001508024,0.0003556037],"domain_scores_gemma":[0.9960859,0.003004855,0.0002438456,0.0002817784,0.0002637168,0.0001199147],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.003627528,0.002784885,0.4981944,0.0008909946,0.0005256449,0.00002744376,0.0001501513,0.0001521217,0.002509556,0.05683539,0.4306026,0.003699269],"study_design_scores_gemma":[0.003480872,0.02625215,0.4725226,0.001435418,0.0002514162,0.00004159141,0.0001828857,0.00020114,0.07943054,0.3476438,0.06792533,0.0006322715],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9617319,0.008034719,0.0003461612,0.02490748,0.0001232282,0.0003601398,0.0003875272,0.00005695591,0.004051916],"genre_scores_gemma":[0.9896052,0.003059982,0.002392724,0.00452415,0.00009428261,0.0000431194,0.0001191556,0.00001483918,0.0001464852],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3626773,"threshold_uncertainty_score":0.9997011,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1663834312108491,"score_gpt":0.3875751813395386,"score_spread":0.2211917501286896,"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."}}