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Factors Associated With Adherence to a Low Fermentable Carbohydrate Diet in Children With Functional Gastrointestinal
Background:
The low-fermentable oligosaccharides, disaccharides, monosaccharides and polyols (FODMAP) diet (LFD) has been associated with reduced symptomology in pediatric functional gastrointestinal disorders (FGIDs). The LFD is a complex dietary intervention that may be difficult to follow; thus, there is great interest in determining factors that contribute to adherence.
Objective:
To examine whether baseline abdominal pain, emotional/behavioral problems, or quality of life predict adherence to the LFD in children with FGIDs.
Design:
This was a single-group pre-post intervention design within a larger randomized controlled trial.
Participants/Setting:
Thirty 7- to 12-year-old children with FGIDs were recruited from pediatric gastrointestinal and primary care settings throughout Texas from 2019 to 2021. Evaluated participants were randomized to an LFD intervention as part of a larger randomized controlled trial.
Intervention:
Participants received dietary counseling and followed the LFD for 3 weeks.
Measures:
Emotional or behavioral problems and quality of life were obtained via parent report, and abdominal pain was measured via child report. Adherence was assessed by using diet records and computed by a decrease in consumption of overall FODMAP intake.
Statistical Analyses Performed:
A hierarchical generalized linear mixed regression model examined factors associated with adherence.
Results:
Greater baseline quality of life was associated with better adherence to the LFD (beta coefficient β = -.02, P = 0.03), and baseline emotional/behavioral problems and abdominal pain complaints were not significantly associated with adherence (all Ps > 0.28).
Conclusions:
Higher child quality of life as reported by parents was related to increased adherence to this complex dietary intervention.
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