Diet and nutrition in psoriasis: Analysis of the National Health and Nutrition Examination Survey (NHANES) in the United States

J. A. Johnson, C. Ma, K. N. Kanada, A. W. Armstrong

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Background There is limited research examining the association between psoriasis, dietary intake and nutritional status in the general U.S. population. Objective This study aimed to compare levels of vitamins and carotenoids as well as intake of protein, fats, sugar, carbohydrates and total calories between individuals with and without psoriasis. Methods We used data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) in the U.S. Demographic information, physical examination, serum laboratory values and questionnaires on past medical history and dietary intake were used to determine the relationship between psoriasis and nutritional status and diet. Results The cohort consisted of 6260 participants who provided responses to their psoriasis status. Prior psoriasis diagnosis was reported in 156 (2.49%) of the respondents. Based on multivariate regression analysis, psoriasis was significantly associated with increased vitamin A level (OR: 1.01; CI: 1.00-1.02; P = 0.03), increased α-carotene level (OR: 1.02; CI: 1.01-1.04; P = 0.01), lower sugar intake (OR: 0.998; CI: 0.996-1; P = 0.04), increased body mass index (OR: 1.04; 95% CI: 1.02-1.07; P = 0.0003) and arthritis (OR: 2.31; CI: 1.37-3.90; P = 0.002). Non-Hispanic black (OR: 0.56; CI: 0.34-0.96; P = 0.03) and Hispanic race (OR: 0.37; CI: 0.19-0.75; P = 0.005) were inversely associated with a diagnosis of psoriasis compared with non-Hispanic white race. Conclusion Psoriasis is significantly associated with elevated serum levels of vitamin A and α-carotene and reduced intake of sugar. Longitudinal monitoring of nutritional status in psoriasis patients is necessary to determine the effect of nutrition on psoriasis progression and the modifying role of treatments.

Original languageEnglish (US)
Pages (from-to)327-332
Number of pages6
JournalJournal of the European Academy of Dermatology and Venereology
Volume28
Issue number3
DOIs
StatePublished - Mar 2014

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Nutrition Surveys
Psoriasis
Diet
Carotenoids
Nutritional Status
Vitamin A
Serum
Hispanic Americans
Vitamins
Physical Examination
Arthritis
Body Mass Index
Multivariate Analysis
Fats
Regression Analysis
Carbohydrates
Demography

ASJC Scopus subject areas

  • Dermatology
  • Infectious Diseases

Cite this

Diet and nutrition in psoriasis : Analysis of the National Health and Nutrition Examination Survey (NHANES) in the United States. / Johnson, J. A.; Ma, C.; Kanada, K. N.; Armstrong, A. W.

In: Journal of the European Academy of Dermatology and Venereology, Vol. 28, No. 3, 03.2014, p. 327-332.

Research output: Contribution to journalArticle

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abstract = "Background There is limited research examining the association between psoriasis, dietary intake and nutritional status in the general U.S. population. Objective This study aimed to compare levels of vitamins and carotenoids as well as intake of protein, fats, sugar, carbohydrates and total calories between individuals with and without psoriasis. Methods We used data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) in the U.S. Demographic information, physical examination, serum laboratory values and questionnaires on past medical history and dietary intake were used to determine the relationship between psoriasis and nutritional status and diet. Results The cohort consisted of 6260 participants who provided responses to their psoriasis status. Prior psoriasis diagnosis was reported in 156 (2.49{\%}) of the respondents. Based on multivariate regression analysis, psoriasis was significantly associated with increased vitamin A level (OR: 1.01; CI: 1.00-1.02; P = 0.03), increased α-carotene level (OR: 1.02; CI: 1.01-1.04; P = 0.01), lower sugar intake (OR: 0.998; CI: 0.996-1; P = 0.04), increased body mass index (OR: 1.04; 95{\%} CI: 1.02-1.07; P = 0.0003) and arthritis (OR: 2.31; CI: 1.37-3.90; P = 0.002). Non-Hispanic black (OR: 0.56; CI: 0.34-0.96; P = 0.03) and Hispanic race (OR: 0.37; CI: 0.19-0.75; P = 0.005) were inversely associated with a diagnosis of psoriasis compared with non-Hispanic white race. Conclusion Psoriasis is significantly associated with elevated serum levels of vitamin A and α-carotene and reduced intake of sugar. Longitudinal monitoring of nutritional status in psoriasis patients is necessary to determine the effect of nutrition on psoriasis progression and the modifying role of treatments.",
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AB - Background There is limited research examining the association between psoriasis, dietary intake and nutritional status in the general U.S. population. Objective This study aimed to compare levels of vitamins and carotenoids as well as intake of protein, fats, sugar, carbohydrates and total calories between individuals with and without psoriasis. Methods We used data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) in the U.S. Demographic information, physical examination, serum laboratory values and questionnaires on past medical history and dietary intake were used to determine the relationship between psoriasis and nutritional status and diet. Results The cohort consisted of 6260 participants who provided responses to their psoriasis status. Prior psoriasis diagnosis was reported in 156 (2.49%) of the respondents. Based on multivariate regression analysis, psoriasis was significantly associated with increased vitamin A level (OR: 1.01; CI: 1.00-1.02; P = 0.03), increased α-carotene level (OR: 1.02; CI: 1.01-1.04; P = 0.01), lower sugar intake (OR: 0.998; CI: 0.996-1; P = 0.04), increased body mass index (OR: 1.04; 95% CI: 1.02-1.07; P = 0.0003) and arthritis (OR: 2.31; CI: 1.37-3.90; P = 0.002). Non-Hispanic black (OR: 0.56; CI: 0.34-0.96; P = 0.03) and Hispanic race (OR: 0.37; CI: 0.19-0.75; P = 0.005) were inversely associated with a diagnosis of psoriasis compared with non-Hispanic white race. Conclusion Psoriasis is significantly associated with elevated serum levels of vitamin A and α-carotene and reduced intake of sugar. Longitudinal monitoring of nutritional status in psoriasis patients is necessary to determine the effect of nutrition on psoriasis progression and the modifying role of treatments.

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