The Incidence of Enterobiasis in Children Attending Educational Institutions of the Tyumen Region

Abstract

Introduction: Enterobiasis remains a predominant invasion in the structure of parasitic diseases. At the same time, judging by the incidence rates of enterobiasis, the activity of the epidemic process differs significantly from one region to another and even between cities of one and the same region. The purpose of our study was to assess the intensity of the epidemic process of enterobiasis based on incidence rates and pinworm testing coverage in children aged 3 to 6 years attending preschools and schoolchildren aged 7 to 14 years in the Tyumen Region. Materials and methods: We analyzed data on the incidence of enterobiasis (per 100 thousand population) and pinworm testing coverage (%) per 100 children of two age groups (3 to 6 and 7 to 14 years old) by municipalities of the Tyumen Region in 2013–2017. The interval data were analyzed using methods of variation statistics. To test the hypothesis that the differences between samples were random, a univariate analysis of variance was used. Additionally, the mean difference was calculated and its 95 % confidence interval was determined. The strength of the relationship between two variables was measured using the coefficient of determination, i.e. the square of the Pearson correlation coefficient. Results: We gave a comparative characteristic of the intensity of the epidemic process of enterobiasis based on the incidence and pinworm testing coverage data in 3 to 14-year-old children attending educational institutions of the Tyumen Region in 2013–2017 and assessed the deterministic relationship between the incidence rates of enterobiasis and the commitment of healthcare workers to pinworm detection testing in organized groups of children. Conclusions: We established that the incidence of pinworm infection in the child population of the Tyumen Region differed significantly between the administrative territories. It should be noted, however, that a relatively high incidence of enterobiasis in some areas was mainly attributed to a high pinworm testing coverage of children while in other areas a low coverage underestimated the incidence rate of enterobiasis and created a false impression of epidemiological welfare.