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Risk factors of dengue fever in an urban area in Vietnam: a case-control study

Nguyen-Tien, Thang and Do, Duy Cuong and Xuan Luat, Le and Thi Hai, Dinh and Lindeborg, Mats and Nguyen-Viet, Hung and Lundkvist, Ake and Grace, Delia and Lindahl, Johanna (2021). Risk factors of dengue fever in an urban area in Vietnam: a case-control study. BMC Public Health. 21 , 664
[Research article]

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Abstract

BackgroundDengue is a mosquito-borne flavivirus present in many metropolitan cities of tropical countries.MethodsDuring and after the dengue season (September 2018 to January 2019), we conducted a case-control study in order to determine the risk factors for dengue fever in Hanoi city, Vietnam. 98 dengue patients and 99 patients with other acute infections, such as Hepatitis B virus infection, were recruited at Department of Infectious Disease of Bach Mai national hospital in Hanoi. Patients were interviewed using a structured questionnaire covering demographic, housing, environmental factors and knowledge, attitude, and practice on dengue prevention and control. Univariate analysis and multivariable logistic regression were used to determine the risk factors of dengue status.ResultsThe mean score of knowledge items and practice items was only 7.9 out of total 19 points and 3.9 out of total 17 points, respectively. While the mean score of attitude items was 4.8 out of total 6 points. Multivariable logistic regression indicated that older patients had lesser risk of getting dengue infection as compared to younger adults aged 16-30, and patients living in peri-urban districts were less likely to suffer of dengue fever than patients living in central urban districts (OR=0.31; 95% CI 0.13-0.75). This study could not find any association with occupation, water storage habit, knowledge, attitude, or practice on dengue prevention.ConclusionsAll patients had a relatively low level of knowledge and practice on dengue prevention and control. However, the attitude of the participants was good. We found that age group and living district were the risk factors correlated with the dengue status. Communication programs on raising dengue awareness should be repeated all year round and target particular groups of adolescents, younger adults, landlords and migrants from other provinces to improve their knowledge and encourage them to implement preventive measures against dengue fever.

Authors/Creators:Nguyen-Tien, Thang and Do, Duy Cuong and Xuan Luat, Le and Thi Hai, Dinh and Lindeborg, Mats and Nguyen-Viet, Hung and Lundkvist, Ake and Grace, Delia and Lindahl, Johanna
Title:Risk factors of dengue fever in an urban area in Vietnam: a case-control study
Series Name/Journal:BMC Public Health
Year of publishing :2021
Volume:21
Article number:664
Number of Pages:13
Publisher:BMC
ISSN:1471-2458
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 3 Medical and Health Sciences > 303 Health Sciences > Public Health, Global Health, Social Medicine and Epidemiology
Keywords:Dengue fever, Dengue risk factors, Case-control, Urban setting, Vector-borne disease, Re-emerging diseas
URN:NBN:urn:nbn:se:slu:epsilon-p-112050
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-112050
Additional ID:
Type of IDID
DOI10.1186/s12889-021-10687-y
Web of Science (WoS)000637993200002
ID Code:24429
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Dept. of Clinical Sciences
Deposited By: SLUpub Connector
Deposited On:08 Jun 2021 14:04
Metadata Last Modified:08 Jun 2021 14:11

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