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Asia Pac J Clin Nutr. 2017 Jan;26(1):118-129. doi: 10.6133/apjcn.112015.02.

Dietary intake, physical activity, and time management are associated with constipation in preschool children in Japan.

Author information

1
Interfaculty Initiative in Information Studies, the University of Tokyo, Tokyo, Japan.
2
Department of Social and Preventive Epidemiology, School of Public Health, the University of Tokyo, Tokyo, Japan.
3
Ikurien-naka, Ibaraki, Japan.
4
Department of Social and Preventive Epidemiology, School of Public Health, the University of Tokyo, Tokyo, Japan. Email: stssasak@m.u-tokyo.ac.jp.

Abstract

BACKGROUND AND OBJECTIVES:

Constipation is a common complaint in children, which is not fatal but can affect quality of life. Several lifestyle-related risk factors for constipation have been reported, particularly dietary factors, but results have been inconsistent. Here, we examined the relationship of dietary and lifestyle factors with constipation in Japanese preschool children using data of a nationwide study.

METHODS AND STUDY DESIGN:

Subjects were 5,309 children aged 5 to 6 years at 380 nursery schools in 44 of 47 prefectures in Japan. Children having three or fewer bowel movements per week were considered constipated. Dietary intake data was collected using a validated brief-type self-administered diet history questionnaire for Japanese preschool children, and information about general lifestyle was collected using a 4-page questionnaire designed for this study. Multivariateadjusted odds ratios for constipation were calculated by logistic regression.

RESULTS:

Higher dietary fiber intake was significantly associated with a lower prevalence of constipation (adjusted odds ratio: 0.62, p for trend: 0.005), but higher carbohydrate intake was marginally associated with a higher prevalence of constipation. Intake of potatoes, pulses, vegetables, and fruits intake decreased constipation prevalence, whereas higher rice intake was significantly and independently associated with higher prevalence of constipation. Regarding lifestyle factors, high physical activity and sufficient preparation time for breakfast and dinner for guardians were significantly associated with lower prevalence. Prevalence tended to be negatively associated with a higher educational background of the mother.

CONCLUSIONS:

Several lifestyle factors were associated with a lower prevalence of constipation among Japanese preschool children, including dietary fiber intake.

PMID:
28049271
DOI:
10.6133/apjcn.112015.02
[Indexed for MEDLINE]
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