Awareness of smoking in adolescents with inflammatory bowel disease
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Department of Paediatric Gastroenterology and Nutrition, Medical University, Warsaw, Poland
Department of Pediatrics, Gastroenterology and Nutrition, Collegium Medicum, Jagiellonian University, Kraków, Poland
Department of Paediatric Neurosurgery and Traumatology, Medical University, Warsaw, Poland
Student Research Association, Department of Paediatric Gastroenterology and Nutrition, Medical University, Warsaw, Poland
Kinga Kowalska-Duplaga   

Uniwersytet Jagielloński Collegium Medicum, Department of Pediatrics, Gastroenterology and Nut, 30-663, Kraków, Poland
Introduction and objectives:
Inflammatory bowel disease (IBD) is long life disease that results from an interaction between a polygenetic predisposition and environmental factors, including smoking. The aim of this study was to evaluate beliefs about and awareness of smoking among adolescents with IBD compared to healthy controls.

Material and methods:
Patients with IBD, Crohn’s disease (CD) and ulcerative colitis (UC), and healthy controls were asked to complete a questionnaire on demographic data and smoking status. The questionnaire also included data on beliefs and awareness of smoking-related health effects, including effects on IBD.

A total of 139 IBD patients and 108 controls were enrolled in the study. Of the IBD patients, 17/139 (12.2%) were smokers compared to 18/108 (16.7%) of controls (p=0.3). Patients with IBD were nine times more likely to be everyday smokers than occasional smokers (OR=9.2, 95% CI: 1.9- 45.1, p=0.004). No difference was found between patients with CD and UC in their answers to the question of whether “smoking increases the risk for surgery in your type of IBD” (17/28 (60.7%) vs. 10/29 (34.5%), respectively (p=0.047). More patients with CD than UC were aware of the risks of smoking on their disease: extra-intestinal manifestations and disease exacerbation, OR=11.3 (95% CI: 4.1 – 30.9; p=0.000) and OR=19.3 (95% CI: 6.7 – 55.1; p=0.000), respectively.

The data obtained demonstrated that adolescents with CD are much more aware of the role of smoking on CD than are their peers with UC; however, this awareness is still unsatisfactory. Therefore, there is an unmet need to implement better anti-smoking strategies for this group of patients.

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