Comparison of growth and nutritional status of Chinese and Japanese children and adolescents

Yin, Xin; Yang, Xiaoguang; Liu, Ji; Song, Ge; Huipan, WU; Li, Yuqiang; Sun, Yani; Bi, Chen; Li, Ming; Zhang, Ting; Kato, Hironari; Suzuki, Akira; S, Haneda

doi:10.1080/03014460.2020.1766564

Cited by 3 publications

(3 citation statements)

References 26 publications

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“…For example, regarding weight, it may be difficult to understand the appropriate weight for actual age in adolescents, who have rapid physical and mental developmental trajectories. To examine this issue, we calculated the average 50th BMI percentile of participants by sex and age (Table 1 ) and confirmed that it was comparable to the corresponding average BMI values of Japanese children (7–18 years, n = 4587) (Yin et al., 2020 ). Therefore, it is unlikely that there is a bias in the subjective assessment of BMI in this study, but it would be preferable to obtain data by actual measurement in the future.…”

Section: Discussionsupporting

confidence: 58%

Potential eating disorder exhibited with daytime functional vulnerabilities associated with sleep problems in Japanese adolescents: A cross‐sectional study

et al. 2022

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Objectives: Eating disorders (ED) are serious psychiatric disorders that affect individuals, especially adolescents. It has been suggested that nonclinical ED-like characteristics are related to sleep problems. We conducted a survey of Japanese adolescents to investigate this claim. Method:In this cross-sectional study, 398 adolescents aged 12-18 years responded to a self-administered questionnaire survey. We used the Eating Attitudes Test-26 (EAT-26) and the Athens Insomnia Scale (AIS) to measure potential ED and sleep problems, respectively.Results: Adolescents with potential ED had significantly higher daytime functional vulnerability potentially associated with sleep problems than those without ED. In particular, problems with a sense of well-being and physical and mental functioning during the day were significant. In contrast, no significant associations were found between potential ED and sleep initiation, awakenings during the night, early morning awakening, total sleep duration, or overall quality of sleep. Finally, nocturnal and daytime sleep scores were significantly associated with dieting, bulimia, and oral control EAT-26 subscores.Discussion: Participants with possible ED experienced problems related to well-being and mental and physical functioning, which are indicators of daytime functional vulnerability potentially associated with sleep problems. Further, adolescents with more severe ED characteristics are more likely to have a higher degree of daytime psychological vulnerability potentially attributable to sleep problems. The study suggested that professionals treating adolescent mental health issues need an approach that comprehensively integrates both sleep problems and potential ED.

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Section: Discussionsupporting

confidence: 58%

Potential eating disorder exhibited with daytime functional vulnerabilities associated with sleep problems in Japanese adolescents: A cross‐sectional study

et al. 2022

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“…In China, urban/rural status was considered when choosing schools because of the wide gap in economic development between urban and rural areas, whereas this factor was not taken into account in Japan. The detailed sampling methods are reported elsewhere [16,21]. Individual participants without psychiatric or physical disorders were recruited from the selected schools using stratified random cluster sampling.…”

Section: Participants and Ethical Considerationsmentioning

confidence: 99%

“…Body mass index (BMI) was calculated as body weight (kg) divided by height (m 2 ). All test procedures for the seven physical fitness items were conducted using the same types of instruments suggested by the new physical fitness test guidelines developed by the Japanese Sports Bureau of the Ministry of Education, Science, and Technology in 2008 [20,21].…”

Section: Procedures and Measurementmentioning

confidence: 99%

Levels of Physical Fitness and Weight Status in Children and Adolescents: A Comparison between China and Japan

Zhang

et al. 2020

IJERPH

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This study compared the physical fitness level and weight status of children and adolescents in China and Japan. Children and adolescents aged 7–18 years were recruited (China: n = 5660; Japan: n = 5660). Physical fitness was assessed using seven core items—grip strength, 30-s sit-ups, standing long jump, sit-and-reach, 20-s repeated straddling, 20-m shuttle run test, and 50-m dash. A physical fitness index (PFI) was calculated by adding all items’ Z-scores. We conducted comparisons of PFI and its distribution, each physical fitness item, and weight status for individuals from China and Japan across all ages. The PFI was lower in China than in Japan for all age groups, with an especially large difference at age 18 years for boys (a difference of 9.05) and girls (a difference of 9.10) (p < 0.001). The same result was seen for the seven items. The PFI distribution for children and adolescents was more disperse among those in Japan than among those in China. Obesity prevalence was 2.84 times higher in China than in Japan. An inverted U-shaped relationship was observed between physical fitness and nutritional status. Children and adolescents showed markedly lower physical fitness and higher obesity prevalence in China than in Japan.

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Fad Diets Beyond the Western World

AlBuhairan¹,

Galagali²,

Areemit³

2022

Fad Diets and Adolescents

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Comparison of growth and nutritional status of Chinese and Japanese children and adolescents

Cited by 3 publications

References 26 publications

Potential eating disorder exhibited with daytime functional vulnerabilities associated with sleep problems in Japanese adolescents: A cross‐sectional study

Potential eating disorder exhibited with daytime functional vulnerabilities associated with sleep problems in Japanese adolescents: A cross‐sectional study

Levels of Physical Fitness and Weight Status in Children and Adolescents: A Comparison between China and Japan

Fad Diets Beyond the Western World

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