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The MSM program: web-based statistics package for estimating usual dietary intake using the Multiple Source Method.
Harttig U, Haubrock J, Knüppel S, Boeing H; EFCOVAL Consortium. Harttig U, et al. Among authors: knuppel s. Eur J Clin Nutr. 2011 Jul;65 Suppl 1:S87-91. doi: 10.1038/ejcn.2011.92. Eur J Clin Nutr. 2011. PMID: 21731011
Estimating usual food intake distributions by using the multiple source method in the EPIC-Potsdam Calibration Study.
Haubrock J, Nöthlings U, Volatier JL, Dekkers A, Ocké M, Harttig U, Illner AK, Knüppel S, Andersen LF, Boeing H; European Food Consumption Validation Consortium. Haubrock J, et al. Among authors: knuppel s. J Nutr. 2011 May;141(5):914-20. doi: 10.3945/jn.109.120394. Epub 2011 Mar 23. J Nutr. 2011. PMID: 21430241
[Basics of using the DAG programs].
Knüppel S. Knüppel S. Gesundheitswesen. 2011 Dec;73(12):893-6. doi: 10.1055/s-0031-1291189. Epub 2011 Dec 22. Gesundheitswesen. 2011. PMID: 22193899 German.
Challenges in estimating the validity of dietary acrylamide measurements.
Ferrari P, Freisling H, Duell EJ, Kaaks R, Lujan-Barroso L, Clavel-Chapelon F, Boutron-Ruault MC, Nailler L, Polidoro S, Mattiello A, Palli D, Tumino R, Grioni S, Knüppel S, Tjønneland A, Olsen A, Overvad K, Orfanos P, Katsoulis M, Trichopoulou A, Quirós JR, Ardanaz E, Huerta JM, Etxezarreta PA, Sánchez MJ, Crowe F, Khaw KT, Wareham NJ, Ocke M, Bueno-de-Mesquita B, Peeters PH, Ericson U, Wirfält E, Hallmans G, Johansson I, Engeset D, Nicolas G, Gallo V, Norat T, Riboli E, Slimani N. Ferrari P, et al. Among authors: knuppel s. Eur J Nutr. 2013 Aug;52(5):1503-12. doi: 10.1007/s00394-012-0457-7. Epub 2012 Nov 1. Eur J Nutr. 2013. PMID: 23114503
Evaluating the effect of measurement error when using one or two 24 h dietary recalls to assess eating out: a study in the context of the HECTOR project.
Orfanos P, Knüppel S, Naska A, Haubrock J, Trichopoulou A, Boeing H. Orfanos P, et al. Among authors: knuppel s. Br J Nutr. 2013 Sep 28;110(6):1107-17. doi: 10.1017/S0007114513000159. Epub 2013 Feb 25. Br J Nutr. 2013. PMID: 23433469
Use of two-part regression calibration model to correct for measurement error in episodically consumed foods in a single-replicate study design: EPIC case study.
Agogo GO, van der Voet H, van't Veer P, Ferrari P, Leenders M, Muller DC, Sánchez-Cantalejo E, Bamia C, Braaten T, Knüppel S, Johansson I, van Eeuwijk FA, Boshuizen H. Agogo GO, et al. Among authors: knuppel s. PLoS One. 2014 Nov 17;9(11):e113160. doi: 10.1371/journal.pone.0113160. eCollection 2014. PLoS One. 2014. PMID: 25402487 Free PMC article.
Eating out is different from eating at home among individuals who occasionally eat out. A cross-sectional study among middle-aged adults from eleven European countries.
Naska A, Katsoulis M, Orfanos P, Lachat C, Gedrich K, Rodrigues SS, Freisling H, Kolsteren P, Engeset D, Lopes C, Elmadfa I, Wendt A, Knüppel S, Turrini A, Tumino R, Ocké MC, Sekula W, Nilsson LM, Key T, Trichopoulou A; HECTOR Consortium. Naska A, et al. Among authors: knuppel s. Br J Nutr. 2015 Jun 28;113(12):1951-64. doi: 10.1017/S0007114515000963. Epub 2015 Apr 24. Br J Nutr. 2015. PMID: 25907775
The influence of adjustment for energy misreporting on relations of cake and cookie intake with cardiometabolic disease risk factors.
Gottschald M, Knüppel S, Boeing H, Buijsse B. Gottschald M, et al. Among authors: knuppel s. Eur J Clin Nutr. 2016 Nov;70(11):1318-1324. doi: 10.1038/ejcn.2016.131. Epub 2016 Jul 27. Eur J Clin Nutr. 2016. PMID: 27460264
Random Survival Forest in practice: a method for modelling complex metabolomics data in time to event analysis.
Dietrich S, Floegel A, Troll M, Kühn T, Rathmann W, Peters A, Sookthai D, von Bergen M, Kaaks R, Adamski J, Prehn C, Boeing H, Schulze MB, Illig T, Pischon T, Knüppel S, Wang-Sattler R, Drogan D. Dietrich S, et al. Among authors: knuppel s. Int J Epidemiol. 2016 Oct;45(5):1406-1420. doi: 10.1093/ije/dyw145. Epub 2016 Sep 1. Int J Epidemiol. 2016. PMID: 27591264
A method for sensitivity analysis to assess the effects of measurement error in multiple exposure variables using external validation data.
Agogo GO, van der Voet H, van 't Veer P, Ferrari P, Muller DC, Sánchez-Cantalejo E, Bamia C, Braaten T, Knüppel S, Johansson I, van Eeuwijk FA, Boshuizen HC. Agogo GO, et al. Among authors: knuppel s. BMC Med Res Methodol. 2016 Oct 13;16(1):139. doi: 10.1186/s12874-016-0240-1. BMC Med Res Methodol. 2016. PMID: 27737637 Free PMC article.
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