# The association between fecal incontinence and asthma among adult Americans: evidence from NHANES 2005–2010

## TL;DR

This study finds a link between fecal incontinence and asthma in adult Americans, especially in women and older individuals.

## Contribution

The study identifies a novel association between fecal incontinence and asthma using a large national health survey.

## Key findings

- Fecal incontinence is associated with a 33% increased risk of asthma after adjusting for various factors.
- The association is stronger in females and individuals over 45 years old.
- Subgroup analyses confirm the robustness of the observed correlation.

## Abstract

There is a paucity of research exploring the relationship between fecal incontinence (FI) and asthma. This study seeks to evaluate the potential correlation between FI and asthma among adult Americans.

Utilizing a cross-sectional design, this study comprised a sample of 11,128 adults aged 20 years and older sourced from the National Health and Nutrition Examination Survey (NHANES) conducted between 2005 and 2010. FI is characterized by the involuntary excretion of solid, liquid, or mucus stool occurring at least once a month. Adjusted odds ratios (OR) were calculated using logistic regression models. Subgroup analyses were performed to validate the robustness of the findings.

After adjusting for baseline characteristics, lifestyle habits, and comorbidities, a significant association was observed between FI and an increased risk of asthma (OR: 1.33, 95% CI: 1.1–1.61, P = 0.003). Subgroup analysis revealed a significant correlation between FI in females and asthma (OR: 1.36, 95% CI: 1.06–1.73), and this correlation is particularly pronounced in middle-aged and elderly individuals, further supporting the association between FI and asthma.

We found a significant positive correlation between FI and asthma. Females and individuals aged over 45 demonstrate an increased vulnerability to developing asthma. Prompt intervention for individuals experiencing fecal incontinence may mitigate the risk of asthma onset.