Knowledge, Attitudes, and Preventive Practices Regarding Dengue in Maracay, Venezuela

Jelte Elsinga University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, The Netherlands;

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Masja Schmidt University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, The Netherlands;

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Erley F. Lizarazo University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, The Netherlands;
Instituto de Investigaciones Biomédicas, Universidad de Carabobo, Maracay, Venezuela;

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Maria F. Vincenti-Gonzalez University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, The Netherlands;
Instituto de Investigaciones Biomédicas, Universidad de Carabobo, Maracay, Venezuela;

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Zoraida I. Velasco-Salas University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, The Netherlands;
Departamento de Biología, Facultad Experimental de Ciencia y Tecnología, Universidad de Carabobo, Valencia, Venezuela;

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Luzlexis Arias Instituto de Investigaciones Biomédicas, Universidad de Carabobo, Maracay, Venezuela;

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Johannes G. M. Burgerhof Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands;

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Adriana Tami University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, The Netherlands;
Departamento de Parasitología, Facultad de Ciencias de la Salud, Universidad de Carabobo, Valencia, Venezuela

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Dengue, a viral mosquito-borne disease currently affects more than 2.5 billion people living in endemic areas worldwide. In vector control, social mobilization and community behavioral changes are of crucial importance. Here, we identified the factors influencing community dengue preventive practices in a high-transmission urban area in Venezuela. Between September 2013 and February 2014, a cross-sectional study at the household level was carried out in Maracay city, Venezuela. A precoded questionnaire was used to obtain information on people’s knowledge, attitudes, and use of preventive practices in relation to dengue. Concomitantly, entomological data was collected from households. In 80% of the 105 included households, 1–5 preventive practices (e.g., repellents, insecticides) against mosquito bites were used. However, 57% of the examined houses had potential Aedes breeding sites indoors and/or outdoors, most of which positive for Aedes spp. larvae/pupae. Preventive practices were associated with a previous dengue infection (P = 0.030) and a better knowledge on dengue symptoms and transmission route (P = 0.020). In turn, knowledge was associated with feeling at risk (P < 0.001), a previous dengue infection (P = 0.010), and reported exposure to information sources of dengue (P = 0.011). Even though the knowledge level of the community over transmission ways was high, and most of the individuals took measures to avoid mosquito bites, potential mosquito breeding sites were present in almost two-thirds of the examined properties. Health promotion activities in Venezuela should aim at raising awareness at the community level on the importance of combining mosquito bite prevention with removal of breeding sites in and around the households.

Author Notes

Address correspondence to Adriana Tami, Department of Medical Microbiology, University Medical Center Groningen, Hanzeplein 1 (Mailcode HPC EB80), Groningen 9713, The Netherlands. E-mail: a.tami@umcg.nl

Financial support: This work was supported by the Fondo Nacional de Ciencia y Tecnología e Innovación (FONACIT) of the Ministerio del Poder Popular para Ciencia, Teconologia e Industrias Intermedias (MPPCTII, Venezuelan Ministry of Science, Technology and Intermediate Industries), Venezuela (201100129, 201300201) and by the University Medical Center Groningen (UMCG), University of Groningen, Groningen, The Netherlands. J. E. received a grant from the UMCG, University of Groningen, Groningen, The Netherlands.

Authors’ addresses: Jelte Elsinga, Masja Schmidt, Erley Lizarazo, and Maria F. Vincenti-Gonzalez, Department of Medical Microbiology, University Medical Center Groningen, Groningen, The Netherlands, E-mails: j.elsinga.research@gmail.com, schmidtmasja@gmail.com, e.f.lizarazo.forero@umcg.nl, and m.f.vincenti.gonzalez@umcg.nl. Zoraida I. Velasco-Salas, Departamento de Biología, Facultad Experimental de Ciencia y Tecnología, Universidad de Carabobo, Valencia, Venezuela, E-mail: zvelasco@hotmail.com. Luzlexis Arias, Instituto de Investigaciones Biomédicas “Dr. Francisco J. Triana Alonso”, Maracay, Venezuela, E-mail: luzdv.arias@gmail.com. Johannes G. M. Burgerhof, Department of Epidemiology, University Medical Center Groningen, Groningen, The Netherlands, E-mail: j.g.m.burgerhof@umcg.nl. Adriana Tami, Department of Medical Microbiology, University Medical Center Groningen, Groningen, The Netherlands, and Departamento de Parasitología, Facultad de Ciencias de la Salud, Universidad de Carabobo, Valencia, Venezuela, E-mail: a.tami@umcg.nl.

These authors contributed equally to this work.

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