Epidemiological Determinants of Dengue Infection in Dhaka:A Cross-Sectional Study

Abstract

Background: In Dhaka, Bangladesh, dengue outbreaks are influenced by demographic, geographic, and housingfactors, which presents valuable insights for improving preventive measures and reducing public health hazards.Objectives: The main objective of this study was to identify the prevalence of dengue infection in Dhaka and thefactors that contribute to it.Study designs: This study used secondary data from a publicly available Kaggle dataset and included 1,000respondents.Methods: To examine relationships between dengue positivity and contributing factors, chi-square tests wereconducted using SPSS version 26.Results: The study found that 53.3% of participants had dengue, with 52.7% of cases occurring in females and47.3% in males. The age group <21 years old had the highest percentage of dengue cases (22.3%), followed bythose aged 41 to 50 (18.7%) and those aged 31 to 40 (17.4%), while the age group over 60 years old had the lowestpercentage (7.4%). Geographically, the most significant percentage was recorded in Western Dhaka (27.1%),followed by Southern Dhaka (22.1%) and Northern Dhaka (10.7%). Regarding area type, the percentage ofundeveloped areas was marginally higher (51.8%) than that of developed areas (48.2%). Among the respondents,35.5% lived in buildings, 31.7% in tin-shed homes, and 32.9% in other types of houses.Conclusions: The results focused on interventions to strengthen dengue prevention and control efforts by offeringpractical insights into high-risk populations and geographic areas.