Prevalence of chronic bronchitis against a background of abdominal obesity in young people aged 25–44 in Novosibirsk

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Aim . To study the prevalence of chronic bronchitis (CB) against the background of abdominal obesity (AO) in young people aged 25–44 in Novosibirsk. Materials and methods . A simultaneous population survey of the population of 25–44 year-olds in Novosibirsk was carried out. The study included 906 people (414 men and 492 women). AO was recorded with a waist circumference of more than 94 cm in men and more than 80 cm in women. CB was recorded according to standardized epidemiological (questionnaire, pulmonary questionnaire) and functional (spirometry) criteria. Results. The prevalence of AO and CB in the population was 42.9% and 8.7%, respectively; in men 43.2% and 7.7%; in women 42.7% and 9.6%. The prevalence of CB against the background of AO in the population was 1.95 times higher ( p = 0.003) compared with individuals with CB without AO (OR = 2.08 [CI 1.302–3.333]). In women, the prevalence of CB against the background of AO was 2.15 times higher ( p = 0.005) compared with women with CB without AO (OR = 2.35 [CI 1.267–4.359]). The prevalence of CB in smokers in the population was 1.65 times higher ( p = 0.015) compared with non-smokers (OR = 1.72 [CI 1.081–2.739]). In male smokers, the prevalence of CB was 2.02 times higher ( p = 0.031) compared with non-smoking men (OR = 2.15 [CI 1.020–4.514]). The multivariate logistic regression analysis showed that in people aged 25–44, the presence of CB is associated with smoking [Exp(B) = 1.966, p = 0.006] and the presence of AO [Exp(B) = 2.091, p = 0.003]. Conclusion . Significant effects of AO and smoking on the development of CB in the population of 25–44 year-olds as a whole were revealed. At the same time, in men aged 25–44, the relative risk of developing CB is significantly affected by smoking, and in women aged 25–44, by the presence of AO.