| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
A total of 135 male Japanese students were analyzed in this study. Sleep quality, dietary intake, and psychological symptoms were assessed using the PSQI, BDHQ, GHQ12, and A-Trait of STAI. Of the participants, 40% exhibited a PSQI total score of 6 or more, indicating poor sleep quality. Poor sleep quality was associated with poor mental health status and higher levels of anxiety. Poor sleep quality was also associated with low intakes of fat, energy-adjusted fat-soluble vitamins except for vitamin D, and iron, as well as a high intake of sucrose. In addition, poor sleep quality was associated with low intake of pulses, daidzein, and genistein, as well as high intakes of sugar and sweeteners and sugar-sweetened beverages. Our findings demonstrated that the sleep quality of Japanese male was associated with specific features of dietary intake, independently of psychological status, which may help to elucidate the mechanisms underlying the link between sleep and sleep-related diseases.
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