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Risk factors for Indian kala-azar
Alok Ranjan1, Dipika Sur, Vijay P Singh
1Rajendra Memorial Research Institute of Medical Sciences, Indian Council of Medical Research, Agamkuan, Patna, India.
The American Journal of Tropical Medicine and Hygiene
|July 15, 2005
Summary
Identifying risk factors for kala-azar (visceral leishmaniasis) in Bihar, India, revealed that housing conditions, family history, and lack of insecticide spraying are significant. These findings aid in developing targeted control programs to reduce disease transmission.
Area of Science:
- Epidemiology
- Public Health
- Infectious Diseases
Background:
- Kala-azar, also known as visceral leishmaniasis, is a serious parasitic disease prevalent in endemic regions.
- Understanding risk factors is crucial for effective control strategies in disease-endemic areas like Bihar, India.
Purpose of the Study:
- To identify and analyze the risk factors associated with kala-azar in disease-endemic areas of Bihar, India.
- To provide data for the development of targeted kala-azar control programs.
Main Methods:
- A case-control study was conducted with 134 kala-azar cases and 406 healthy controls in Bihar, India.
- Univariate and multivariate analyses were performed to identify significant risk factors.
Main Results:
- Significant risk factors identified include a history of other diseases, family history of kala-azar, mud-plastered walls, granaries inside houses, bamboo trees near houses, and irregular DDT spraying.
- Multivariate analysis indicated specific odds ratios for each significant risk factor, highlighting their impact on kala-azar incidence.
Conclusions:
- Intervention strategies such as improved housing, regular insecticide spraying (DDT), and community health awareness are essential for reducing kala-azar transmission and incidence.
- The study provides valuable insights for public health initiatives aimed at controlling kala-azar in endemic populations.