Dr. Claudia Börnhorst

• German Society for Epidemiology (Deutsche Gesellschaft für Epidemiologie / DGEpi)

• Determinants of eating behaviour in European children, adolescents and their parents - I.Family study
• Growing up healthy: Obesity prevention tailored to critical transition periods in the early life-course
• Identification and prevention of dietary- and lifestyle-induced health effects in children and infants - IDEFICS study
• Lifespan AI: From longitudinal data to lifespan inference in health

Selected BIPS-Publications

• Articles with peer review

• Floegel A, Russo P, Veidebaum T, Tornaritis M, Molnár D, Lissner L, De Henauw S, Moreno LA, Ahrens W, Marron M, Börnhorst C. Transition of clinical biomarker status from childhood into adolescence - A prospective study in children from eight European countries. PLOS ONE. 2025;20(2):e0311180.
  https://doi.org/10.1371/journal.pone.0311180
• Günther K, Pflüger M, Eiben G, Iacoviello L, Lissner L, Mårild S, Molnár D, Moreno LA, Russo P, Papoutsou S, Veidebaum T, De Henauw S, Ahrens W, Wolters M, Börnhorst C, on behalf of the IDEFICS and I.Family consortia. Early life factors and later metabolic syndrome in European children and adolescents. Nutrition, Metabolism and Cardiovascular Diseases. 2025;35(4):103808.
  https://doi.org/10.1016/j.numecd.2024.103808
• Börnhorst C, Ahrens W, De Henauw S, Hunsberger M, Molnár D, Moreno LA, Russo P, Schreuder A, Sina E, Tornaritis M, Vandevijvere S, Veidebaum T, Vrijkotte T, Wijnant K, Wolters M, on behalf of the GrowH! consortium. Age-specific quantification of overweight/obesity risk factors from infancy to adolescence and differences by educational level of parents. International Journal of Public Health. 2023;68:1605798.
  https://doi.org/10.3389/ijph.2023.1605798
• Börnhorst C, Pigeot I, De Henauw S, Formisano A, Lissner L, Molnár D, Moreno LA, Tornaritis M, Veidebaum T, Vrijkotte T, Didelez V, Wolters M, on behalf of the GrowH! consortium. The effects of hypothetical behavioral interventions on the 13-year incidence of overweight/obesity in children and adolescents. International Journal of Behavioral Nutrition and Physical Activity. 2023;20:100.
  https://doi.org/10.1186/s12966-023-01501-6
• Börnhorst C, Reinders T, Rathmann W, Bongaerts B, Haug U, Didelez V, Kollhorst B. Avoiding time-related biases: A feasibility study on antidiabetic drugs and pancreatic cancer applying the parametric g-formula to a large German healthcare database. Clinical Epidemiology. 2021;(13):1027-1038.
  https://doi.org/10.2147/CLEP.S328342
• Börnhorst C, Russo P, Veidebaum T, Tornaritis M, Molnár D, Lissner L, Mårild S, De Henauw S, Moreno LA, Floegel A, Ahrens W, Wolters M. The role of lifestyle and non-modifiable risk factors in the development of metabolic disturbances from childhood to adolescence. International Journal of Obesity. 2020;44(11):2236-2245.
  https://doi.org/10.1038/s41366-020-00671-8
• Thumann B, Michels N, Felsö R, Hunsberger M, Kaprio J, Moreno LA, Siani A, Tornaritis M, Veidebaum T, De Henauw S, Ahrens W, Börnhorst C, on behalf of the IDEFICS and I.Family consortia. Associations between sleep duration and insulin resistance in European children and adolescents considering the mediating role of abdominal obesity. PLOS ONE. 2020;15(6):e0235049.
  https://dx.doi.org/10.1371/journal.pone.0235049
• Börnhorst C, Heger D, Mensen A. Associations of childhood health and financial situation with quality of life after retirement - Regional variation across Europe. PLOS ONE. 2019;14(4):e0214383.
  https://doi.org/10.1371/journal.pone.0214383
• Börnhorst C, Russo P, Veidebaum T, Tornaritis M, Molnár D, Lissner L, Mårild S, De Henauw S, Moreno LA, Intemann T, Wolters M, Ahrens W, Floegel A, on behalf of the IDEFICS and I.Family consortia. Metabolic status in children and its transitions during childhood and adolescence - The IDEFICS/I.Family study. International Journal of Epidemiology. 2019;48(5):1673-1683.
  https://doi.org/10.1093/ije/dyz097
  https://repository.publisso.de/resource/frl%3A6421458
• Thumann B, Börnhorst C, Michels N, Veidebaum T, Solea A, Reisch LA, Moreno LA, Lauria F, Kaprio J, Hunsberger M, Heidinger-Felsõ R, Gwozdz W, De Henauw S, Ahrens W, on behalf of the IDEFICS and I.Family consortia. Cross-sectional and longitudinal associations between psychosocial well-being and sleep in European children and adolescents. Journal of Sleep Research. 2019;28(2):e12783.
  https://doi.org/10.1111/jsr.12783
  https://repository.publisso.de/resource/frl%3A6424561
• Iguacel I, Fernández-Alvira JM, Ahrens W, Bammann K, Gwozdz W, Lissner L, Michels N, Reisch LA, Russo P, Szommer A, Tornaritis M, Veidebaum T, Börnhorst C, Moreno LA. Prospective associations between social vulnerabilities and children's weight status: Results from the IDEFICS study. International Journal of Obesity. 2018;42(10):1691-1703.
  https://doi.org/10.1038/s41366-018-0199-6
• Iguacel I, Michels N, Ahrens W, Bammann K, Eiben G, Fernández-Alvira JM, Mårild S, Molnár D, Reisch LA, Russo P, Tornaritis M, Veidebaum T, Wolters M, Moreno LA, Börnhorst C, on behalf of the IDEFICS consortium. Prospective associations between socioeconomically disadvantaged groups and metabolic syndrome risk in European children. Results from the IDEFICS study. International Journal of Cardiology. 2018;272:333-340.
  https://doi.org/10.1016/j.ijcard.2018.07.053
  https://hdl.handle.net/10398/dc0270b0-df54-4414-82ca-f316f8008343
• Börnhorst C, Siani A, Tornaritis M, Molnár D, Lissner L, Regber S, Reisch LA, De Decker A, Moreno LA, Ahrens W, Pigeot I, on behalf of the IDEFICS and I.Family consortia. Potential selection effects when estimating associations between the infancy peak or adiposity rebound and later body mass index in children. International Journal of Obesity. 2017;41(4):518-526.
  https://doi.org/10.1038/ijo.2016.218
  https://repository.publisso.de/resource/frl%3A6421459
• Wolters M, Dering C, Siani A, Russo P, Kaprio J, Risé P, Moreno LA, De Henauw S, Mehlig K, Veidebaum T, Molnár D, Tornaritis M, Iacoviello L, Pitsiladis Y, Galli C, Foraita R, Börnhorst C, on behalf of the IDEFICS and I.Family consortia. The role of a FADS1 polymorphism in the association of fatty acid blood levels, BMI and blood pressure in young children - Analyses based on path models. PLOS ONE. 2017;12(7):e0181485.
  https://doi.org/10.1371/journal.pone.0181485
• Börnhorst C, Siani A, Russo P, Kourides Y, Sioen I, Molnár D, Moreno LA, Rodríguez G, Ben-Shlomo Y, Howe H, Lissner L, Mehlig K, Regber S, Bammann K, Foraita R, Ahrens W, Tilling K. Early life factors and inter-country heterogeneity in BMI growth trajectories of European children: The IDEFICS study. PLOS ONE. 2016;11(2):e0149268.
  https://doi.org/10.1371/journal.pone.0149268
• Börnhorst C, Tilling K, Russo P, Kourides Y, Michels N, Molnár D, Rodríguez G, Moreno LA, Krogh V, Ben-Shlomo Y, Ahrens W, Pigeot I, on behalf of the IDEFICS consortium. Associations between early body mass index trajectories and later metabolic risk factors in European children: The IDEFICS study. European Journal of Epidemiology. 2016;31(5):513-525.
  https://doi.org/10.1007/s10654-015-0080-z
  https://repository.publisso.de/resource/frl%3A6421460
• Greve B, Pigeot I, Huybrechts I, Pala V, Börnhorst C, on behalf of the IDEFICS consortium. A comparison of heuristic and model-based clustering methods for dietary pattern analysis. Public Health Nutrition. 2016;19(2):255-264.
  https://doi.org/10.1017/S1368980014003243
  https://repository.publisso.de/resource/frl%3A6421461
• Börnhorst C, Wijnhoven TM, Kunešová M, Yngve A, Rito AI, Lissner L, Duleva V, Petrauskiene A, Breda J. WHO European Childhood Obesity Surveillance Initiative: Associations between sleep duration, screen time and food consumption frequencies. BMC Public Health. 2015;15:442.
  https://doi.org/10.1186/s12889-015-1793-3
• Börnhorst C, Bel-Serrat S, Pigeot I, Huybrechts I, Ottevaere C, Sioen I, De Henauw S, Mouratidou T, Mesana MI, Westerterp K, Bammann K, Lissner L, Eiben G, Pala V, Rayson M, Krogh V, Moreno LA, on behalf of the IDEFICS consortium. Validity of 24-h recalls in (pre-)school aged children: Comparison of proxy-reported energy intakes with measured energy expenditure. Clinical Nutrition. 2014;33(1):79-84.
  https://doi.org/10.1016/j.clnu.2013.03.018
• Börnhorst C, Huybrechts I, Hebestreit A, Krogh V, De Decker A, Barba G, Moreno LA, Lissner L, Tornaritis M, Loit H-M, Molnár D, Pigeot I, on behalf of the IDEFICS and I.Family consortia. Usual energy and macronutrient intakes in 2-9-year-old European children. International Journal of Obesity. 2014;38(S2):S115-S123.
  https://doi.org/10.1038/ijo.2014.142
• Börnhorst C, Huybrechts I, Ahrens W, Eiben G, Michels N, Pala V, Molnár D, Russo P, Barba G, Bel-Serrat S, Moreno LA, Papoutsou S, Veidebaum T, Loit H-M, Lissner L, Pigeot I, on behalf of the IDEFICS consortium. Prevalence and determinants of misreporting among European children in proxy-reported 24-hour dietary recalls. British Journal of Nutrition. 2013;109(7):1257-1265.
  https://doi.org/10.1017/S0007114512003194
• Börnhorst C, Huybrechts I, Hebestreit A, Vanaelst B, Molnár D, Bel-Serrat S, Mouratidou T, Moreno LA, Pala V, Eha M, Kourides Y, Siani A, Eiben G, Pigeot I, on behalf of the IDEFICS consortium. Diet-obesity associations in children: Approaches to counteract attenuation caused by misreporting. Public Health Nutrition. 2013;16(2):256-266.
  https://doi.org/10.1017/S1368980012004491
• Börnhorst C, Hense S, Ahrens W, Hebestreit A, Reisch LA, Barba G, von Kries R, Bayer O, on behalf of the IDEFICS consortium. From sleep duration to childhood obesity - What are the pathways. European Journal of Pediatrics. 2012;171(7):1029-1038.
  https://doi.org/10.1007/s00431-011-1670-8

• Presentations at scientific meetings/conferences

• Börnhorst C, Haug U, Kollhorst B, Viebrock J, Didelez V, Schäfer W. Breast cancer recurrence due to avoidable drug-drug interactions? Development of a protocol for emulating a target trial in women with breast cancer that concurrently use tamoxifen and antidepressants. Bremen. 2023.
• Börnhorst C, Pigeot I, De Henauw S, Formisano A, Lissner L, Molnár D, Moreno LA, Tornaritis M, Veidebaum T, Vrijkotte T, Didelez V, Wolters M, on behalf of the GrowH! consortium. Hypothetical lifestyle interventions and their effects on overweight/obesity incidence in children and adolescents from vulnerable and non-vulnerable groups. Uppsala, Sweden. 2023.
• Börnhorst C, Pigeot I, De Henauw S, Formisano A, Lissner L, Molnár D, Moreno LA, Tornaritis M, Veidebaum T, Vrijkotte T, Wolters M, Didelez V, on behalf of the GrowH! consortium. Estimating the effects of hypothetical behavioral interventions on overweight/obesity incidence using observational data: Methodological challenges and practical considerations. online presentation. 2023.
• Börnhorst C, Tilling K, Russo P, Kourides Y, Michels N, Molnár D, Rodríguez G, Moreno LA, Krogh V, Ben-Shlomo Y, Ahrens W, Pigeot I, on behalf of the IDEFICS consortium. Associations between early body mass index trajectories and later metabolic risk in European children: The IDEFICS Study. Edinburgh, United Kingdom. 2015.
• Börnhorst C, Tilling K, Russo P, Kourides Y, Michels N, Molnár D, Rodríguez G, Moreno LA, Krogh V, Ben-Shlomo Y, Ahrens W, Pigeot I. Early body mass index trajectories and later metabolic risk in European children: The IDEFICS study. Maastricht, The Netherlands. 2015.
• Börnhorst C, Greve B, Pigeot I. A comparison of heuristic and model-based clustering methods for dietary pattern analysis. Bremen. 2014.
• Börnhorst C, Huybrechts I, Eiben G, Molnár D, Moreno LA, Pala V, Eha M, Kourides Y, Siani A, Pigeot I, on behalf of the IDEFICS consortium. Diet-obesity relationships in children: Approaches to handle implausible dietary recalls. Rome, Italy. 2012.
• Börnhorst C, Bel-Serrat S, Bammann K, Moreno LA, Huybrechts I, Eiben G, Pigeot I. Validität von Ernährungsdaten bei Kleinkindern: Vergleich zwischen 24-Stunden Erinnerungsprotokollen und objektiv gemessenem Energieverbrauch. Mainz. 2011.
• Börnhorst C, Günther F, Jahn I. Wie wird geschlechtersensible Forschung in der Epidemiologie aktuell "gemacht"? Erste Ergebnisse einer Suche nach guten Beispielen im Projekt Epi goes Gender. Bremen. 2011.

• Presentations at scientific meetings/conferences (invited)

• Börnhorst C. Research in life-course epidemiology: Exemplary studies based on the IDEFICS/I.Family cohort. Potsdam. 2016.
• Börnhorst C. Statistische Methoden in der Life-Course Epidemiologie: Beispielanwendungen im Rahmen der IDEFICS/I.Family Kohorte. Berlin. 2015.
• Börnhorst C. Statistische Methoden in der Life-Course Epidemiologie: Beispielanwendungen im Rahmen der IDEFICS/I.Family Kohorte. Halle (Saale). 2015.
• Pigeot I, Börnhorst C. Herausforderungen bei der statistischen Auswertung longitudinaler Studien. Berlin. 2015.
• Pigeot I, Börnhorst C. Dietary assessment in young children: Statistical methods to assess the association between food intake and childhood obesity. Milan, Italy. 2015.
• Pigeot I, Börnhorst C. Challenges in the statistical analysis of longitudinal data. Exeter, United Kingdom. 2015.

• Posters at scientific meetings/conferences

• Börnhorst C, Siani A, Tornaritis M, Molnár D, Lissner L, Reisch LA, Moreno LA, Ahrens W, Pigeot I, on behalf of the I.Family consortium. Potential selection effects when estimating associations between the infancy peak and adiposity rebound and later BMI in children. Lyon, France. 2018.

• Further Publications

• Lilly Quality of Life Preis 2020
  Lilly Deutschland Stiftung (2020)
  Besondere Forschung im Bereich der gesundheitsbezogenen Lebensqualität
• 1st Prize in Oral Communication modality in the area of Metabolism (W. Ahrens, C. Börnh, I. Pigeot)
  European Childhood Obesity Group (ECOG) (2018)
  Vortrag "Trajectories of overweight and metabolic syndrome in the IDEFICS/I.Family cohort"
• Aufnahme in das Leibniz-Mentoring Programm
  Leibniz-Gemeinschaft (2015)
  Strategische Förderung hochqualifizierter Nachwuchsforscherinnen

• SoSe 2010: Stochastics (Tutorial), University of Bremen
• WiSe 2010/2011: Nonparametric methods (Seminar), University of Bremen
• SoSe 2011: Stochastics (Tutorial), University of Bremen
• SoSe 2012: Stochastics (Tutorial), University of Bremen
• SoSe 2013: Statistical modelling 2 (Tutorial), University of Bremen