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Food Literacy and Dietary Intake in German Office Workers: A Longitudinal Intervention Study

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  • Svenja Meyn

    (Department of Sport and Health Sciences, Technical University of Munich, 80992 Munich, Germany
    These authors contributed equally to this work.)

  • Simon Blaschke

    (Department of Sport and Health Sciences, Technical University of Munich, 80992 Munich, Germany
    These authors contributed equally to this work.)

  • Filip Mess

    (Department of Sport and Health Sciences, Technical University of Munich, 80992 Munich, Germany)

Abstract

Widespread patterns of poor dietary behavior are a key factor causing the increasing prevalence of chronic diseases around the world. Research has provided initial insights into the potential of food literacy (FL) to empower individuals to improve their dietary behavior. However, studies on FL interventions in working adults are scarce. The intervention delivered in this study was a comprehensive 3-week full time education-based workplace health promotion program (WHPP) that provided the participants with in-depth knowledge and skills regarding nutrition and health. We aimed to investigate the short- and long-term effects of the WHPP on FL and dietary intake (DI) and to examine the association between FL and DI in a sample of 144 German office workers (30.0% female). Using two random intercept mixed linear regression models, we found significant strong improvements for both FL (β = 0.52, p < 0.0001) and DI (β = 0.63, p < 0.0001) after the WHPP when compared to baseline. Significant long-term improvements at 18 months were strong for FL (β = 0.55, p < 0.0001) and weak for DI (β = 0.10, p < 0.0001). FL showed a significant moderate effect on DI across all measurement time points (β = 0.24, p < 0.0001). We conclude that well-designed WHPPs can induce long-term improvements in FL and DI, and that FL can be viewed as an asset to further expand food-related knowledge and skills and to enhance dietary behavior. Our study fills a gap of long-term findings regarding the role of FL in WHPPs and supports the idea of implementing FL in the development of comprehensive WHPPs to improve DI.

Suggested Citation

  • Svenja Meyn & Simon Blaschke & Filip Mess, 2022. "Food Literacy and Dietary Intake in German Office Workers: A Longitudinal Intervention Study," IJERPH, MDPI, vol. 19(24), pages 1-17, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:24:p:16534-:d:998188
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    References listed on IDEAS

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    1. van Buuren, Stef & Groothuis-Oudshoorn, Karin, 2011. "mice: Multivariate Imputation by Chained Equations in R," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 45(i03).
    2. Virginia Vettori & Chiara Lorini & Chiara Milani & Guglielmo Bonaccorsi, 2019. "Towards the Implementation of a Conceptual Framework of Food and Nutrition Literacy: Providing Healthy Eating for the Population," IJERPH, MDPI, vol. 16(24), pages 1-21, December.
    3. Cristina González-Monroy & Irene Gómez-Gómez & Cristian M. Olarte-Sánchez & Emma Motrico, 2021. "Eating Behaviour Changes during the COVID-19 Pandemic: A Systematic Review of Longitudinal Studies," IJERPH, MDPI, vol. 18(21), pages 1-24, October.
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    1. Hande Mortaş & Semra Navruz-Varlı & Merve Esra Çıtar-Dazıroğlu & Saniye Bilici, 2023. "Can Unveiling the Relationship between Nutritional Literacy and Sustainable Eating Behaviors Survive Our Future?," Sustainability, MDPI, vol. 15(18), pages 1-12, September.

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