ArticleNutrients2026
Pre-Diagnosis Dietary Pattern Differences in Australian Children with Inflammatory Bowel Disease: Exposure Across Ethnicities.
Article in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
objectivesThe pre-diagnosis dietary intake in newly diagnosed multi-ethnic paediatric inflammatory bowel disease (PIBD) is not well understood. This study aimed to describe the pre-diagnosis diet and environmental factors in children with newly diagnosed PIBD attending a single Australian tertiary children's hospital.
methodsA pilot cross-sectional study was conducted from February 2022 to February 2023 involving children with newly diagnosed PIBD.
resultsOf 56 children confirmed with PIBD, 54% had Crohn's disease (CD)-mean ± SD age, 11.55 years ± 2.84-and 46% had Ulcerative Colitis (UC)-11.50 years ± 2.94 (45%, non-Caucasian). More Caucasians had an IBD family history (48.3% vs. 20%;
conclusionsThe significantly lower likelihood of IBD family history, along with relatively lower vitamin D levels, and the predominance of a Western-style dietary pattern among non-Caucasian children are compatible with the hypothesis that non-genetic factors may be important in PIBD, warranting further investigation into diet and environmental factors in this group. Further investigation of the pre-disease modifiable non-genetic factors contributing to the development of PIBD in the migrant population group is recommended. The finding across ethnicities of low pre-diagnosis plant food diversity was novel; however, due to the lack of healthy controls and the use of a novel but non-validated exposome tool, causality associations should be interpreted cautiously.
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