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Seong Yeong Kim 1 Article
Health Related Nutritional Knowledge and Dietary Behavior Regarding Caffeine Intake among High School Students in Yongin Region
Seong Yeong Kim
Osong Public Health Res Perspect. 2018;9(6):299-308.   Published online December 31, 2018
DOI: https://doi.org/10.24171/j.phrp.2018.9.6.03
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AbstractAbstract PDF
Objectives

We aimed to examine health-related nutritional knowledge and dietary behavior related to caffeine intake among high school students (n = 310) in the Yongin region of Korea.

Methods

Data were collected using a face-to-face survey, and analyzed using chi-square test, t- test, and logistic regression analysis.

Results

The level of caffeine intake in respondents was divided into low (< 30 mg/d; n = 208) and high caffeine intake groups (> 30 mg/d; n = 102). Total nutritional knowledge related to bone disease was higher in the low intake group (score 2.75) than the high intake group (score 2.39; p < 0.05). The high intake group had lower scores for nutritional knowledge (score 0.70; p < 0.05) related to how caffeinated beverages affect sleep and for dietary behavior (score 3.25; p < 0.001), based on “I avoid caffeinated foods before sleep,” than the low intake group (nutritional knowledge score, 0.80; dietary behavior score, 3.76).

Conclusion

In the overall analysis, the low caffeine intake group had better nutritional knowledge related to bone and sleep health, and healthier dietary behavior related to sleep health compared with the high intake group.


PHRP : Osong Public Health and Research Perspectives