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Abstract
Objective. Dyspepsia, a common condition in the community, affects quality of life and imposes costs on both the individual and the community. Several factors including Helicobacter pylori, acetylic salicylic acid (ASA)/non-steroidal anti-inflammatory drugs (NSAIDs) use, low-dose ASA use, alcohol consumption, cigarette smoking and social status might be responsible. Material and methods. A cross-sectional study from the inclusion (intervention group) of a general population study evaluating rates of dyspepsia after H. pylori screening and eradication was carried out. A total of 10,007 individuals aged 40–64 years received questionnaires and an invitation to take part in H. pylori screening. Information on dyspepsia (the gastrointestinal symptom rating scale (GSRS) and “most bothersome symptom”), use of ASA/NSAIDs, use of low-dose ASA, lifestyle factors and level of education and employment status was obtained from the questionnaire. Dyspepsia was defined as a score of ≥2 in the GSRS dimension abdominal pain syndrome (aps), allowing for a maximum of one light problem score in any of the 3 items in the dimension to be overlooked. Results. In all, 5749/10,007 individuals participated in the study; 24.9% reported dyspepsia. In a multiple logistic regression analysis H. pylori infection was found to be a risk factor for dyspepsia, odds ratio (OR) 1.21 (CI; 1.03–1.42). However, the highest ORs for dyspepsia were: for daily use of ASA/NSAIDs 2.33 (CI; 1.72–3.15), unemployment 2.18 (CI; 2.86–2.56) and cigarette smoking ≥20 g/day 1.55 (CI; 1.29–1.86). Conclusions. H. pylori infection is a significant risk factor for dyspepsia although of less importance than ASA/NSAIDs use, unemployment and heavy smoking.