Osong Public Health Res Perspect.  2011 Dec;2(3):192-197. 10.1016/j.phrp.2011.11.044.

Food and Nutrient Intakes According to Income in Korean Men and Women

Affiliations
  • 1Division of Health and Nutrition Survey, Centers for Disease Control and Prevention, Osong, Korea.

Abstract


Objectives
The present study investigated associations between income and intake of nutrients and food in adults (n = 11,063) from the fourth Korea National Health and Nutrition Examination Survey 2007–2009.
Methods
To examine relationships between individual dietary intake and anthropometric measures and family income, multiple linear regression models were constructed for each outcome variable. All models were adjusted for age, education, energy intake, smoking, body mass index, and physical activity.
Results
For men, intakes of protein, calcium, phosphorus, potassium, and vitamin C were lower in low-income compared to high-income groups. For women, intakes of protein and niacin were lower in low-income groups. Lowest income group ate less dairy products in men and less fruits and fishes or shellfishes in women.
Conclusion
Low-income groups had severe food insecurity and low diet quality compared to high-income groups. The study results will provide direction for public health efforts regarding dietary intakes according to economic status among Korean men and women.

Keyword

income; food; nutrient; KNHANES; adults
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