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Unhealthy dietary patterns are related to low ceruloplasmin in female nurses

Abstract

Background and objective Few studies have examined the relationship between dietary patterns and antioxidant status. We aimed to explore the association between major dietary patterns and oxidative stress biomarkers including serum protein carbonyl (PC), ceruloplasmin and total antioxidant capacity (TAC).

Method In this cross-sectional study, we randomly selected 320 female nurses aged 20–45 years. General information of participants was collected by trained interviewers. Their weight and height were measured and dietary intakes were determined by the 147-food-item semiquantitative food frequency questionnaire. Dietary patterns were derived by principal component analysis of yielding 25 food groups. In this study, 90 subjects were randomly selected from all participants with serum levels of PC, ceruloplasmin and TAC measured further. To determine the association between dietary patterns’ score and oxidative stress biomarkers, multiple linear regression analysis was conducted.

Results Three dietary patterns were derived: healthy, unhealthy and traditional. After adjusting for several confounding factors, the unhealthy dietary pattern was inversely related to the serum concentration of ceruloplasmin and PC (p<0.05). The relationship between other dietary patterns and antioxidant biomarkers was not significant.

Conclusions According to the results of this study, unhealthy dietary patterns may have an adverse effect on serum ceruloplasmin.

  • dietary pattern
  • nurses
  • oxidative stress
  • ceruloplasmin

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