Seasonal prevalence of malaria in West Sumba district, Indonesia
2009

Malaria Prevalence in West Sumba, Indonesia

Sample size: 8870 publication Evidence: moderate

Author Information

Author(s): Syafruddin Din, Krisin, Asih Puji, Sekartuti, Dewi Rita M, Coutrier Farah, Rozy Ismail E, Susanti Augustina I, Elyazar Iqbal RF, Sutamihardja Awalludin, Rahmat Agus, Kinzer Michael, Rogers William O

Primary Institution: Eijkman Institute for Molecular Biology

Hypothesis

What is the seasonal prevalence of malaria in West Sumba district, Indonesia?

Conclusion

Malaria is hypoendemic to mesoendemic in West Sumba, Indonesia, with significant variations in prevalence across the district.

Supporting Evidence

  • The overall prevalence of malaria infection was 6.83% in the wet season and 4.95% in the dry season.
  • Malaria prevalence varied significantly across the district, with some sub-villages showing up to 34% prevalence.
  • Children and teenagers had the highest rates of malaria infection.
  • Malaria infection was associated with lower haemoglobin concentrations in children under 10 years.

Takeaway

This study looked at how many people in West Sumba have malaria during different seasons, finding that some areas have a lot more malaria than others.

Methodology

Two stage cluster sampling surveys were conducted in the wet and dry seasons.

Potential Biases

Potential bias from the selection of households and the missing subjects, particularly working-age males.

Limitations

The study may have biases due to the non-random selection of households and the inability to contact all members of selected households.

Participant Demographics

The population of West Sumba is approximately 400,000, mostly subsistence farmers, with a significant number of children and teenagers in the sample.

Statistical Information

P-Value

0.0053

Confidence Interval

95% CI, 4.40, 9.26

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2875-8-8

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