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KMID : 1134820180470020176
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Journal of the Korean Society of Food Science and Nutrition
2018 Volume.47 No. 2 p.176 ~ p.185
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Correlation between Caffeine Intake Level and Perceived Stress in High School Students in Yongin Region
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Kim Seong-Yeong
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Abstract
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This study investigated the correlation between daily caffeine intake level (<30 mg, 30∼60 mg, 60∼90 mg, and >90 mg) and perceived stress in high school students (n=310) in the Yongin region. Stress score of the above 90 mg group was the lowest (2.73 score) for the item ‘I feel easily tired’ (P<0.05), whereas it was the highest (3.07 score) for the item ‘I am not interested in school class’ (P<0.05) compared to the other groups. Caffeine intake by stress level was greatly increased in the above 90 mg group (26.7%) (P<0.001) and awareness of the stress reduction effect of caffeinated food was higher in the 30∼60 mg (23.1%) and above 90 mg groups (20.0%) compared to the other groups (P<0.001). Consumption of caffeine for stress reduction was higher in the 60∼90 mg (75.0%) and above 90 mg groups (76.7%) than the other groups (P<0.001). Pearson’s coefficients for the correlation between caffeine intake level and stress were analyzed. The results show that the number of participants who consumed high levels of caffeine due to stress was strongly positively correlated with awareness of the stress reduction effect by caffeinated food (r=0.731) (P<0.01). Therefore, we suggest diverse resting places and programs for controlling emotion and stress reduction in high school students. There needs to be improved nutritional education and national guidelines for eating caffeinated foods safely.
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KEYWORD
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caffeine intake level, stress, awareness, high school student, school region
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