Prevalence and Risk Factors of Dengue Infection in Khanh Hoa Province, Viet Nam: A Stratified Cluster Sampling Survey

Journal of Epidemiology
Vien Quang MaiHitoshi Murakami

Abstract

Dengue is a clinically important arthropod-borne viral disease with increasing global incidence. Here we aimed to estimate the prevalence of dengue infections in Khanh Hoa Province, central Viet Nam, and to identify risk factors for infection. We performed a stratified cluster sampling survey including residents of 3-60 years of age in Nha Trang City, Ninh Hoa District and Dien Khanh District, Khanh Hoa Province, in October 2011. Immunoglobulin G (IgG) and immunoglobulin M (IgM) against dengue were analyzed using a rapid test kit. Participants completed a questionnaire exploring clinical dengue incidence, socio-economic status, and individual behavior. A household checklist was used to examine environment, mosquito larvae presence, and exposure to public health interventions. IgG positivity was 20.5% (urban, 16.3%; rural, 23.0%), IgM positivity was 6.7% (urban, 6.4%; rural, 6.9%), and incidence of clinically compatible dengue during the prior 3 months was 2.8 per 1,000 persons (urban, 1.7; rural, 3.4). For IgG positivity, the adjusted odds ratio (AOR) was 2.68 (95% confidence interval [CI], 1.24-5.81) for mosquito larvae presence in water pooled in old tires and was 3.09 (95% CI, 1.75-5.46) for proximity to a densely inhabited ...Continue Reading

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Citations

Apr 9, 2020·International Journal of Environmental Research and Public Health·Luong Thi NguyenTing-Wu Chuang
Jun 14, 2020·BMC Public Health·Iasmyn Dayanne Santos do NascimentoJosé Valter Joaquim Silva Júnior
Dec 10, 2020·PLoS Neglected Tropical Diseases·Arwa ElaagipMuzamil Mahdi Abdel Hamid

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Methods Mentioned

BETA
enzyme-linked immunosorbent assay

Software Mentioned

STATA12

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