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Abstract: Background: To evaluate the prevalence and associated factors of childhood constipation in Taiwan. Methods: Healthy children between 7 and 12 years of age were interviewed to determine the prevalence of constipation and associated demographic and dietary factors. A nationwide sample of 2,375 children was selected with complex multistaged sampling throughout Taiwan. Results: In total, 2,375 individuals (1,282 boys and 1,093 girls, mean age=9.3±2.2 years) were interviewed, with a response rate of 95.1%. The prevalence of constipation was 32.2%, and girls were more likely to have constipation than boys (36.1% vs. 29.2%, p =0.0012) in this study. The prevalence of constipation was inversely related to age (24.4% for children aged 11 and 12, 34.0% for children aged 9 and 10, and 39.6% for children aged 7 and 8, p <0.001). Constipated children were more likely to report irregular bowl movements (37.2% vs. 29.3%, p =0.003), and constipated children had a significantly lower body mass index (17.5kg/m2 vs. 18.3kg/m2, p <0.001). The dietary intake for children with constipation was associated with lower intake of vegetables (4.2 servings/week vs. 5.8 servings/week, p <0.05), fruits (5.6 servings/week vs. 7.0 servings/week, p <0.05), soybean products (2.2 servings/week vs. 2.9 serving/week, p <0.05), and eggs (3.9 servings/week vs. 4.6 servings/week, p <0.05). Conclusion: Constipation is common in Taiwanese school-aged children, especially in girls. Less frequent consumption of vegetables, fruits, soybean products, and eggs is associated with childhood constipation. Establishing a regular bowel habit is encouraged to decrease the risk of constipation, and allowing the children a relaxed and sufficient time to defecate after school is essential. [Copyright &y& Elsevier]

Background and Objectives: Fast-food consumption has greatly increased in Taiwan. Frequent fast food intake is associated with both allergy and obesity. The aim of this study was to describe fast food habit changes, and to assess the relationship between fast food intake and the risk of functional gastrointestinal disorders (FGIDs) among Taiwanese adolescents.Methods and Study Design: This analysis used data from the Nutrition and Health Survey in Taiwan (NAHSIT) of high school students conducted in 2011. A total of 2,042 adolescents (12-19 years) completed the questionnaire. The survey included the Rome III criteria for FGIDs, translated into Chinese for adolescents. Respondents with previously diagnosed chronic organic gastrointestinal diseases were excluded from the study.Results: In total, 2,034 children were enrolled. 545 subjects (26.8%) had history of at least one FGID. 88.1% of the subjects reported fast foods consumption. A significantly higher prevalence of FGIDs was noted in adolescents with a history of fast foods consumption, compared with those reported not to have ingested fast foods in the past 30 days (27.6% vs 20.6%, p=0.024). An increased risk of FGIDs in children and adolescents was associated with fast food intake (OR 1.8, 95% CI: 1.78-1.83).Conclusions: FGIDs were common among Taiwanese adolescents. Fast-food consumption may contribute to a positive association with the development of functional gastrointestinal disorders. Lower fiber intake and more frozen desserts in the diet may be complicit in FGIDs. The findings have public health relevance in regard to the global increase in fast food consumption. [ABSTRACT FROM AUTHOR]

Functional gastrointestinal disorders (FGID) are a group of disorders of the digestive system in which the chronic or recurrent symptoms cannot be explained by the presence of structural or tissue abnormality. This survey used a modified Rome III questionnaire on the health and nutrition status of a general population in Taiwan during 2005-2008. A total of 4,275 responders completed the questionnaire. The sample was evenly distributed for men (n=2,137) and women (n=2,138). The prevalence of FGID was 26.2%. Unspecified functional bowel disorder was the most prevalent (8.9%). The second was functional dyspepsia (5.3%), and the third were irritable bowel syndrome (4.4%) and functional constipation (4.4%). Women had a greater prevalence than males (33.2% compared to 22.4%, p<0.05) with regards to total FGID. Most categories of FGID were significantly prominent in women, except functional diarrhea. The FGID groups took fewer servings of vegetables and fruits than the non-FGID group each day (vegetables 2.51 vs 2.70, p<0.001; fruits 0.82 vs 0.91, p<0.001). Smoking, alcohol consumption, and betel nut chewing had no significant impaction on prevalence of FGID. The mean BSRS (brief-symptom rating scale) for screening depression and suicide ideation was higher in the FGID group (2.86 vs 1.63, p<0.001). In conclusion, FGID diagnosed with Rome III criteria are not uncommon in Taiwan's general population. Subjects who met the Rome In criteria for FGID in Taiwan were younger, had less vegetables and fruits intake, higher BSRS scores and were of greater female predominance. [ABSTRACT FROM AUTHOR]