서울지역 일부 고등학생의 카페인 함유 식품에 대한 인식 및 섭취 실태
저자
발행사항
공주: 공주대학교 교육대학원, 2020
학위논문사항
학위논문(석사)-- 공주대학교 교육대학원: 영양교육전공 2020. 2
발행연도
2020
작성언어
한국어
DDC
641.1 판사항(22)
발행국(도시)
충청남도
기타서명
Awareness and Intake of Caffeine-containing Foods in High School Students in Seoul
형태사항
44p; 26cm
일반주기명
지도교수:김명희
참고문헌 :33-35 p.
UCI식별코드
I804:44004-000000029496
소장기관
A survey of 443 male and female first-year and second-year high school students in Seoul was carried out to find out their perceptions about caffeine-containing foods and the status of their consumption of caffeine-containing foods, and the results thereof can be summarized as follows.
As for BMI, while 58.8% was ‘normal’ and 16.8% was ‘obesity’ among male students, 59.9% was ‘normal’ and 23.5% was ‘underweight’ among female students, showing significant differences (p<0.001). As for the cost of purchasing caffeine-containing favorite foods out of weekly allowances, it was found that while 70.4% of the male students spent ‘less than KRW 5,000,’ 50.7% and 32.3% of the female students spent ‘less than KRW 5,000’ and ‘KRW5,000 – less than KRW 10,000,’ respectively, showing significant differences (p<0.001).
As a result of examining the level of awareness for caffeine-containing foods, it was found that 25.2% of the students are well aware of them, while 74.8% of the students do not have high awareness for caffeine. It was found that 13.8% of the students were interested in caffeine ingredient in food and that there is no significant difference between male and female students.
As for perceptions about the intake of caffeine-containing foods, it was found that generally the students (38.4%) perceived that they ate them moderately. however, there was no significant difference. 42.2% of the subjects thought that the intake of caffeine-containing foods did not help them very much in improving concentration or relieving fatigue, and there was no significant difference between the male students and the female students.
As for the scores of cognizance about whether favorite foods contain caffeine or not, they scored average 6.98 points out of 11, and the female students (7.27 points) showed relatively higher cognizance than the male students (6.69 points) (p<0.01). It was found that the ratios of correct answers about all favorite foods such as ‘coffee, green tea, black tea, and fruit juice’ were higher among the female students than the male students female (p<0.05), showing significant differences. Favorite foods of the lowest ratios of correct answers by gender were ‘black tea’ among the male students and ‘chocolate-flavored confections’ among the female students.
It was found that 262 students (59.1%) regarded the intake of caffeine-containing foods as harmful, and there was no significant difference between the male students and the female students. The reason why they regarded it as harmful was found to be mostly ‘insomnia (50.0%).’ As for experiences of side effects, there were differences by gender in ‘Hands and feet shake (p<0.01),’ ‘Get a headache or dizziness (p<0.001),’ ‘Get heartburn (p<0.001),’ and ‘Feel irregular heartbeat (p<0.05)’; it was found that the female students experienced relatively more tremors in hands and feet, headache or dizziness, heartburn, and irregular heartbeat than the male students.
The primary location to purchase caffeine-containing foods was ‘convenient store (62.1%).’ The most important consideration when purchasing caffeine-containing foods was ‘taste (72.2%),’ and it was found that the male students (77.4%) attached more importance to taste than the female students (66.8%) (p<0.05). As for food labels, it was found that both male and female students (71.8%) did not check them properly.
Male students and female students showed significant differences in black coffee and coffeehouse coffee among ‘coffees,’ green tea bag among ‘teas,’ Mountain Dew and black iced tea among ‘beverages,’ Monster Energy among ‘energy drinks,’ coffee milk and chocolate milk among ‘processed milk,’ and chocolate and chocolate bar among ‘confections’ (p<0.05, p<0.01, p<0.001).
As for foods consumed once or twice a week by male and female students, respectively; cola in the ‘beverages’ category showed 46.9% and 46.1%; chocolate milk in the ‘processed milk’ 38.9% and 50.2%; chocolate in the ‘confections’ 44.7% and 51.2%; chocolate ice cream in the ‘ice cream’ 41.2% and 49.8%. There was a significant difference between male and female students in chocolate milk (p<0.01) and chocolate (p<0.001). Both male and female students showed higher intakes for beverages, chocolate or chocolate products.
As for reasons for consuming caffeine-containing foods, both male and female students replied that they consumed them, except ‘energy drinks,’ ‘because they taste good.’ As for ‘coffees’ and ‘beverages,’ the male students showed higher ratios of drinking them ‘because of good taste’ than the female students, while as for ‘teas,’ ‘processed milk,’ ‘confections,’ and ‘ice cream,’ female students showed higher ratios of consuming them ‘because of good taste.’ As for ‘energy drinks,’ it was found that both male and female students drank them mostly because they felt ‘sleepy.’
As a result of surveying foods eaten with caffeine-containing foods, it was found that mostly they ate all of the caffeine-containing foods except ‘beverages (cola, Mountain Dew, iced tea, etc.)’ ‘without any other accompanying food.’ As for ‘beverages,’ it was found that mostly they were drunk with fast food, and there was no difference by gender.
From the above findings, it can be seen that high school students in Seoul show the low cognizance of and attention to caffeine, and also have a very low level of knowledge considering the low ratios of correct answers to questions about the cognizance of caffeine content in favorite foods. Although a number of students experienced side effects after consuming caffeine and felt that caffeine is harmful, their first consideration in the actual purchase of foods was taste, which shows the possibility for the indiscreet consumption of caffeine without regard for health. Attempts have been made to protect students’ health by prohibiting the sale of highly caffeine-containing foods in schools and outstanding food sales stores; however, the effectiveness of such attempts is limited because students buy them mostly at convenience stores outside school. And students' checking food labels on packages is also unsatisfactory. A wide variety of favorite foods often wanted by adolescents contain caffeine. Particularly, adolescents show high preferences for carbonate drinks, chocolate, and processed chocolate products, and so it is presumed that the recommended maximum daily intake of caffeine may be easily exceeded due to the overconsumption of the foods. It is necessary to conduct nutritional education about caffeine at school and home to prevent caffeine dependence caused by excessive caffeine intake, and it is required to make educational efforts to enable students to choose right foods for themselves. In addition, the current standard for marking caffeine levels applies only to liquid foods containing caffeine of 0.15mg/mL or more, and thus it is required to improve the system so that favorite foods of children and adolescents, such as chocolate products and confections, should be obligatorily marked with the caffeine content.
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