Abstract
Dietary control plays an important role in the treatment of irritable bowel syndrome (IBS). However, few studies have examined the relationship between dietary intake and symptoms of IBS in Koreans. The current cross-sectional study aimed to examine the diet in food consumption and nutrient intake in Korean adults aged 20 to 40 with IBS. The data collected were completed by 857 subjects using a community-based web survey. The questionnaire covered functional bowel disorders based on Rome III, the semi-quantitative Food Frequency Questionnaire (SQ-FFQ), and the food items causing symptoms. In total, 186 of 857 subjects (21.7%) were diagnosed with IBS. The non-IBS group had a fat intake of 76.9 ± 47.9 g/day, while the IBS group had a fat intake of 86.6 ± 55.1 g/day (p = 0.014). The non-IBS group had a total fermentable oligosaccharide, disaccharide, monosaccharide, and polyol (FODMAP) intake of 12.6 ± 9.7 g/day, whereas the IBS group had a total FODMAP intake of 13.9 ± 9.9 g/day (p = 0.030). Foods that contributed to the onset of symptoms in the IBS group were instant noodles (70.8%), Chinese noodles with vegetables and seafood (68.7%), pizza (67.2%), and black bean sauce noodles (66.3%) which are mostly classified as high fat and high gluten foods. The dietary intake of IBS patients differs from that of non-IBS subjects. Increased intake of gluten-containing or high-fat foods due to the westernized diet caused more IBS symptoms than high FODMAPs and dairy products in Korean adults in their 20 s to 40 s.
Highlights
Irritable bowel syndrome (IBS) is a chronic disease characterized by repeated symptoms such as abdominal discomfort, abdominal pain, diarrhea, and constipation, without an underlying disease that affects the gastrointestinal area [1]
The dietary status of Korean adults in their 20 s to 40 s with IBS was examined, and their intake of FODMAPs and other types of food components that contribute to IBS symptoms was analyzed, to provide baseline data for establishing dietary guidelines for Korean patients with IBS
The control group had 350 male participants (52.2%); the IBS group had 78 male participants (41.9%), which was significantly lower than the number of male participants in the control group (p = 0.016)
Summary
Irritable bowel syndrome (IBS) is a chronic disease characterized by repeated symptoms such as abdominal discomfort, abdominal pain, diarrhea, and constipation, without an underlying disease that affects the gastrointestinal area [1]. Such symptoms reduce the quality of life as they interfere with day-to-day living and result in reduced work productivity, activity intolerance, and increased medical expenses [2,3]. In Korea, the prevalence rate of IBS exceeds the global average and the occurrence of IBS is closely related to individuals’ dietary intake, not many studies on its relationship with food intake have yet been conducted, and baseline data for nutritional treatment are still insufficient. The dietary status of Korean adults in their 20 s to 40 s with IBS was examined, and their intake of FODMAPs and other types of food components that contribute to IBS symptoms was analyzed, to provide baseline data for establishing dietary guidelines for Korean patients with IBS
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