Environmental Risk Factors for Childhood Inflammatory Bowel Diseases: A Multicenter Case-Control Study

Area of Science:

• Pediatric Gastroenterology
• Environmental Health
• Epidemiology

Background:

• Inflammatory Bowel Disease (IBD) incidence is rising globally, particularly in children.
• Environmental factors are increasingly recognized as significant contributors to IBD development.
• Understanding these factors is crucial for targeted prevention and management strategies.

Purpose of the Study:

• To investigate specific environmental risk factors associated with pediatric IBD in the Saudi population.
• To analyze the correlation between lifestyle, socioeconomic status, and IBD development.
• To differentiate risk factors for Crohn's disease (CD) and Ulcerative Colitis (UC).

Main Methods:

• A retrospective multicenter case-control study involving 335 children (167 IBD patients, 168 controls) from 2009 to 2021.
• Data collected via questionnaires on socioeconomic status, demographics, lifestyle, and medical history.
• Statistical analysis included odds ratios (OR) and 95% confidence intervals (CI) to assess risk factors.

Main Results:

• Key risk factors identified for IBD include age over 10 years, low fruit intake, no antibiotic exposure, appendectomy, and frequent gastroenteritis.
• Factors like vaginal delivery and less physical activity were also associated with IBD.
• Specific associations were noted: sleep disturbance for CD and pets in the house for UC.

Conclusions:

• The study identified several environmental factors, including diet, physical activity, and medical history, as significant risk factors for pediatric IBD in Saudi Arabia.
• These findings underscore the importance of environmental exposures in IBD pathogenesis.
• Pediatricians can utilize this knowledge to identify at-risk children and implement early interventions.