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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Food avoidance in irritable bowel syndrome leads to a nutrition-deficient diet
South African Journal of Clinical Nutrition, Volume 27, No. 1, Year 2014
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Description
Objective: The objective was to assess the dietary intake of subjects with irritable bowel syndrome (IBS) and to compare it to that of international recommendations. The hypothesising assumption of this study was that a situation in which subjects insist that diet or trigger foods play a part in symptom generation may lead to an unbalanced dietary intake. Design: This was a descriptive observational study, with an analytical component. Setting: A private, secondary care-level clinic in South Africa. Subjects: The study population comprised 122 participants. Each subject completed an estimated, three-day dietary record. The data were analysed using a computerised food analysis programme. The fructose intake was analysed semi-quantitatively. IBS subjects' protein and carbohydrate intake were significantly higher than the recommended dietary allowance for protein and carbohydrate (p-values < 0.000 and < 0.000, respectively). Outcome measures: The identification of dietary risk factors that affect IBS. Results: The IBS subjects' daily total dietary fibre (15.13 g ± 13.11) was significantly lower (p-value < 0.000) than the dietary reference intake (DRI) target intake of 24.76 g/day, and the intake of micronutrients,(calcium, iron and folate) was significantly less than the DRI. There was no significant difference in macronutrient intake between the diarrhoea-predominant IBS (D-IBS), constipation-predominant IBS (C-IBS) and the control groups. The total number of fructose serves per day was not statistically significant between the three groups (C-IBS 2.68 ± 1.68, D-IBS 2.15 ± 1.86, and controls 3.17 ± 2.39, p-value = 0.157). Conclusion: The IBS subjects in this study consumed diets that were deficient in key micronutrients and total fibre when judged against the recommended DRIs. Dietary adjustments may have been tailored by subjects to minimise symptom development and this led to nutritionally deficient diets. © SAJCN.
Authors & Co-Authors
Stevenson, Cheryl
South Africa, Stellenbosch
Stellenbosch University
Blaauw, Reneé
South Africa, Stellenbosch
Stellenbosch University
Fredericks, Ernst
South Africa, Gqeberha
Nelson Mandela University
Visser, Janicke
South Africa, Stellenbosch
Stellenbosch University
Roux, Saartjie
South Africa, Stellenbosch
Stellenbosch University
Statistics
Citations: 5
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1080/16070658.2014.11734481
ISSN:
16070658
Research Areas
Food Security
Health System And Policy
Infectious Diseases
Study Design
Cross Sectional Study
Study Locations
South Africa