Association Between Reduced Quality of Life and Dietary and Lifestyle Habits in Second-year Junior-high-school Students

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  • 中学2年生における低いQOLと食・生活習慣との関係
  • チュウガク 2ネンセイ ニ オケル ヒクイ QOL ト ショク ・ セイカツ シュウカン ト ノ カンケイ

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<p>Objective: To identify the association between reduced quality of life (QOL) and dietary and lifestyle habits in second-year junior-high-school students.</p><p>Methods: A cross-sectional survey was conducted on 325 second-year students from two public junior high schools in a city in Hyogo, Japan. QOL was measured using the Kiddo-KINDLR scale for junior-high-school students. A 12-item questionnaire and a semi-quantitative food-frequency questionnaire were used for the dietary and lifestyle survey.</p><p>Subjects were assigned to low- and high-QOL groups based on the median overall QOL score; dietary and lifestyle habits were compared between the two groups by sex. A logistic regression analysis was performed, with QOL, dietary and lifestyle habits, and sex as the objective, explanatory, and moderator variables, respectively.</p><p>Results: In the low-QOL group, the total score for the 12-item dietary and lifestyle questionnaire in both males and females and the dietary assessment score in males were lower than those in the high-QOL group. The odds of low-QOL subjects responding "No" to the following dietary and lifestyle items were high: "I wake up refreshed," "I wake up before 7 am," "I eat breakfast every day," "My family eats dinner together," "I eat three meals daily," "I enjoy mealtimes," and "I go to bed before 12 am."</p><p>Conclusion: Among second-year junior-high-school students, reduced QOL is associated with difficulty waking, waking up after 7 am, skipping breakfast, eating dinner alone or skipping dinner, not enjoying mealtimes, and going to bed after midnight in males and females, and with low dietary assessment scores in males.</p>

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