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Int J Tuberc Lung Dis. 2009 Feb;13(2):171-6.

Inclusion of information on risk factors, socio-economic status and health seeking in a tuberculosis prevalence survey.

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Stop Tuberculosis Department, World Health Organization, Geneva, Switzerland.


Data on socio-economic status, exposure to risk factors for tuberculosis (TB) and previous health-seeking for TB may be included in a TB prevalence survey to gain better knowledge about the distribution of TB in the population as well as a better understanding of what factors are driving the TB epidemic in a given setting. This article provides an overview of how such additional information may be collected. The article highlights the need to carefully consider the risk of jeopardising the quality of the overall survey by overburdening it with additional data collection, and concludes that additional time and resources for planning, training, logistics and supervision are required to safeguard quality. The article also discusses special considerations regarding sampling, sample size and data interpretation when including such information in a TB prevalence survey.

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