Abstract
Objectives: To investigate whether a modest number of food frequency questions are sufficient to describe sociodemographic differences in dietary habits, and to identify sociodemographic characteristics of subjects adhering to food-based dietary guidelines operationalised in a ‘healthy-diet index’.
Design: Cross-sectional population survey.
Subjects: A total of 480 men, 515 women, aged 15–90 y. Random sample of private telephone numbers drawn from regional telephone records, geographically stratified. Participation rate 62%.
Methods: Computer-assisted telephone interviews, including six food frequency questions, a question on type of fat spreads used on bread, questions on seven sociodemographic variables.
Results: The summary of the healthy-diet index showed that the subjects who adhered to food-based dietary guidelines (top quintile) compared to those who did not (bottom quintile) were most often women (odds ratio (OR)=6.07; confidence interval (CI): 3.91–9.43, women vs men), of older age (OR=9.72; CI: 3.02–31.31, old age vs young), highly educated (OR=3.69; CI: 1.53–8.92, high education vs low) and living in multiperson households including children (OR=4.66; CI: 2.47–8.80, multiperson household vs single household). The results also showed that gender difference in dietary habits is associated with other sociodemographic variables.
Conclusions: The selected food frequency questions proved sufficient to describe sociodemographic differences in dietary habits, and this method may be a valuable supplement to traditional quantitative dietary surveys in monitoring sociodemographic changes in eating patterns. The results also underline the influence of sociodemographic status on dietary habits.
Sponsorship: The Danish Nutrition Council funded the study.
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Dynesen, A., Haraldsdóttir, J., Holm, L. et al. Sociodemographic differences in dietary habits described by food frequency questions — results from Denmark. Eur J Clin Nutr 57, 1586–1597 (2003). https://doi.org/10.1038/sj.ejcn.1601728
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DOI: https://doi.org/10.1038/sj.ejcn.1601728
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