Objective: To clarify the association of a well-balanced diet with lifestyle, knowledge, health consciousness, and health status.
Methods: As a cross-sectional study, self-administered questionnaires and health checkup data were collected at a university in Hyogo prefecture in 2019. Female participants’ data were divided into two groups based on their weekly consumption of a well-balanced diet (i.e., staple food, main, and side dishes) at least twice a day. Data on lifestyle, knowledge, health consciousness, and health status were compared between the two groups using the chi-squared test. Additionally, using each as independent variables and well-balanced diet as the dependent variable, logistic regression analyses were conducted after adjusting for age and resident status.
Results: Respectively, 90 and 63 students were classified into the high and low frequency of well-balanced diet groups (HFWBD: 4 ≤ per week, LFWBD: ≤ 3 per week). The logistic regression analysis showed a significantly higher odds ratio for HFWBD among students who frequently cooked for themselves (odds ratio [95% CI]: 2.96 [1.15, 7.64]), had nutritional knowledge (3.33 [1.30, 8.48]), and cared about their health (7.29 [3.13, 16.98]). Higher BMI and body fat percentage were associated with lower odds ratios for HFWBD (0.84 [0.72, 0.98] and 0.90 [0.83, 0.98], respectively). Compared to students with normal weight (BMI 18.5 to less than 25 kg/m2), those who were underweight (<18.5 kg/m2) had a significantly higher odds ratio for HFWBD (3.49 [1.19, 10.22]).
Conclusion: Lifestyle, knowledge, health consciousness, and health status were associated with the frequency of consuming a well-balanced diet.
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