A bivariate measurement error model for nitrogen and potassium intakes to evaluate the performance of regression calibration in the European Prospective Investigation into Cancer and Nutrition study

被引：19

作者：

Ferrari, P. ^{[1
]}

Roddam, A. ^{[2
]}

Fahey, M. T. ^{[3
,4
]}

Jenab, M. ^{[5
]}

Bamia, C. ^{[6
]}

Ocke, M. ^{[7
]}

Amiano, P. ^{[8
]}

Hjartaker, A. ^{[9
]}

Biessy, C.

Rinaldi, S.

Huybrechts, I.

Tjonneland, A. ^{[10
]}

Dethlefsen, C. ^{[11
]}

Niravong, M. ^{[12
]}

Clavel-Chapelon, F. ^{[12
]}

Linseisen, J. ^{[13
]}

Boeing, H. ^{[14
]}

Oikonomou, E. ^{[6
]}

Orfanos, P. ^{[6
]}

Palli, D. ^{[15
]}

de Magistris, M. Santucci ^{[16
]}

Bueno-de-Mesquita, H. B. ^{[7
]}

Peeters, P. H. M. ^{[17
]}

Parr, C. L. ^{[18
]}

Braaten, T. ^{[19
]}

Dorronsoro, M. ^{[8
]}

Berenguer, T. ^{[20
]}

Gullberg, B. ^{[21
]}

Johansson, I. ^{[22
]}

Welch, A. A. ^{[23
]}

Riboli, E. ^{[24
]}

Bingham, S. ^{[23
,25
]}

Slimani, N.

机构：

[1] Int Agcy Res Canc, WHO, Dietary Exposure Assessment Grp, F-69372 Lyon, France

[2] Univ Oxford, Canc Epidemiol Unit, Oxford, England

[3] MRC, Biostat Unit, Cambridge CB2 2BW, England

[4] Univ Cambridge, Cambridge, England

[5] Int Agcy Res Canc, Lifestyle & Canc Grp, F-69372 Lyon, France

[6] Univ Athens, Sch Med, Dept Hyg Epidemiol & Med Stat, GR-11527 Athens, Greece

[7] Natl Inst Publ Hlth & Environm RIVM, Bilthoven, Netherlands

[8] Basque Govt, Publ Hlth Div Gipuzkoa, San Sebastian, Spain

[9] Canc Registry Norway, Oslo, Norway

[10] Danish Canc Soc, Inst Canc Epidemiol, Copenhagen, Denmark

[11] Aarhus Univ Hosp, Dept Cardiol, Aalborg Hosp, Cardiovasc Res Ctr, Aalborg, Denmark

[12] Inst Gustave Roussy, INSERM, ERI 20, F-94805 Villejuif, France

[13] German Canc Res Ctr, Div Canc Epidemiol, Heidelberg, Germany

[14] German Inst Human Nutr, Dept Epidemiol, Potsdam, Germany

[15] ISPO, Mol & Nutr Epidemiol Unit, Florence, Italy

[16] Univ Naples Federico II, Dept Clin & Expt Med, Naples, Italy

[17] Univ Med Ctr, Julius Ctr Hlth Sci & Primary Care, Utrecht, Netherlands

[18] Univ Oslo, Inst Basic Med Sci, Dept Biostat, Oslo, Norway

[19] Univ Tromso, Inst Community Med, Tromso, Norway

[20] Catalan Inst Oncol, Unit Nutr Environm & Canc, Canc Epidemiol Res Programme, Barcelona, Spain

[21] Lund Univ, Dept Clin Sci, Malmo, Sweden

[22] Umea Univ, Fac Med, Dept Odontol, Umea, Sweden

[23] Univ Cambridge, Dept Publ Hlth & Primary Care, MRC Ctr Nutr Epidemiol Canc Prevent & Survival, Cambridge, England

[24] Univ London Imperial Coll Sci Technol & Med, Dept Epidemiol, London, England

[25] MRC, Mitochondrial Biol Unit, Diet & Canc Grp, Cambridge, England

来源：

EUROPEAN JOURNAL OF CLINICAL NUTRITION | 2009年 / 63卷

基金：

英国惠康基金; 英国医学研究理事会; 瑞典研究理事会;

关键词：

measurement errors; urinary measurements; EPIC; 24-h dietary recall; EPIC-SOFT; FOOD FREQUENCY QUESTIONNAIRE; DIETARY MEASUREMENT ERROR; 24-HOUR URINARY NITROGEN; CONFIDENCE-INTERVALS; MULTICENTER COHORT; VALIDATION; RECALL; COLLECTIONS; ADJUSTMENT; BIOMARKER;

D O I：

10.1038/ejcn.2009.80

中图分类号：

R15 [营养卫生、食品卫生]; TS201 [基础科学];

学科分类号：

100403 ;

摘要：

Objectives: Within the European Prospective Investigation into Cancer and Nutrition (EPIC) study, the performance of 24-h dietary recall (24-HDR) measurements as reference measurements in a linear regression calibration model is evaluated critically at the individual (within-centre) and aggregate (between-centre) levels by using unbiased estimates of urinary measurements of nitrogen and potassium intakes. Methods: Between 1995 and 1999, 1072 study subjects (59% women) from 12 EPIC centres volunteered to collect 24-h urine samples. Log-transformed questionnaire, 24-HDR and urinary measurements of nitrogen and potassium intakes were analysed in a multivariate measurement error model to estimate the validity of coefficients and error correlations in self-reported dietary measurements. In parallel, correlations between means of 24-HDR and urinary measurements were computed. Linear regression calibration models were used to estimate the regression dilution (attenuation) factors. Results: After adjustment for sex, centre, age, body mass index and height, the validity coefficients for 24-HDRs were 0.285 (95% confidence interval: 0.194, 0.367) and 0.371 (0.291, 0.446) for nitrogen and potassium intakes, respectively. The attenuation factors estimated in a linear regression calibration model were 0.368 (0.228, 0.508) for nitrogen and 0.500 (0.361, 0.639) for potassium intakes; only the former was different from the estimate obtained using urinary measurements in the measurement error model. The aggregate-level correlation coefficients between means of urinary and 24-HDR measurements were 0.838 (0.637, 0.932) and 0.756 (0.481, 0.895) for nitrogen and potassium intakes, respectively. Conclusions: This study suggests that 24-HDRs can be used as reference measurements at the individual and aggregate levels for potassium intake, whereas, for nitrogen intake, good performance is observed for between-centre calibration, but some limitations are apparent at the individual level. European Journal of Clinical Nutrition (2009) 63, S179-S187; doi: 10.1038/ejcn.2009.80

引用

页码：S179 / S187

页数：9

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