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Pediatric Asthma

Burden of asthma among children in a developing megacity: childhood asthma study, Pakistan

, MBBS, , MBBS, , MBBS, , MBBS, MPH, , MBBS, , MBBS, , MBBS, , FCPS & , FCPS show all
Pages 891-899 | Received 11 Feb 2014, Accepted 01 Jun 2014, Published online: 03 Jul 2014
 

Abstract

Objectives: Global burden of childhood asthma has increased in the past few decades, particularly in low-income countries. In Pakistan, there is a lack of community-based epidemiological studies estimating the burden of asthma among children. This study determined the prevalence and predictors of asthma among children 3–17 years of age in Karachi, Pakistan. Methods: A two-stage community-based representative cross-sectional survey was conducted in Karachi from March 2012 to April 2013 comprising 1046 children aged 3–17 years. Of 7500 clusters, 80 were randomly selected, and of these, 15 children per cluster were enrolled randomly. A translated and pre-tested version of International Study of Asthma and Allergies in Children questionnaire was administered. Results: The overall prevalence of asthma among study participants was 10.2% (95% CI: 8.4–12.0). Asthma was more likely to occur among boys (adj. OR: 2.5, 95% CI: 1.6–4.0), children in the younger age group (3–7 years) (adj. OR: 2.9, 95% CI: 1.7–4.8), those living in households with ill-ventilated kitchens (adj. OR: 1.8, 95% CI: 1.1–3.1), having family history of asthma (adj. OR: 2.3, 95% CI: 1.3–3.9) and those of the Sindhi ethnicity (adj. OR: 2.2, 95% CI: 1.1–4.4). Conclusion: This study is the first robust evidence regarding asthma among children in Pakistan, reporting a high burden in this group. Family history, male gender, Sindhi ethnicity and ill-ventilated kitchen were identified as important predictors of asthma. Targeted preventive measures and intervention studies are required to better understand and reduce the burden of asthma among children in Pakistan.

Acknowledgements

We are thankful to Dr. Muhammad Masood Kadir, Dr. Imran Naeem and Mr. Mehboob John for their assistance in the data collection process. We would like to thank Dr. Aneeta Khoso and Dr. Amin Pethani for their contribution in the ground work and operationalization of study plan. We would also like to thank Dr. Adeel Ahsan, Dr. Shama Razzaq and Dr. Nadia Parvez for data collection in the study. We greatly acknowledge our study participants and their parents for giving us their precious time and useful information.

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