Repeat prevalence surveys, when conducted at least five years apart, are an opportunity to study changes in TB prevalence during the time between surveys. Standardization of survey tools and sampling design across surveys is necessary, to make surveys comparable and to ensure that if a change is detected between surveys it is a real change in TB disease burden. This chapter discusses when it is recommended to plan for repeat surveys, standardization of sampling design and survey tools, sample size determination and finally inference based on repeat surveys. For the last two topics, both the traditional (also referred to as frequentist) and Bayesian approaches are presented, as well as their advantages and disadvantages.
Mecatti, F., Glaziou, P., Sismanidis, C., Floyd, S. (2011). Repeat Surveys. In World Health Organization (a cura di), Tuberculosis Prevalence Surveys: a handbook (pp. 135-152). Geneva : World Health Organization.
Repeat Surveys
MECATTI, FULVIA;
2011
Abstract
Repeat prevalence surveys, when conducted at least five years apart, are an opportunity to study changes in TB prevalence during the time between surveys. Standardization of survey tools and sampling design across surveys is necessary, to make surveys comparable and to ensure that if a change is detected between surveys it is a real change in TB disease burden. This chapter discusses when it is recommended to plan for repeat surveys, standardization of sampling design and survey tools, sample size determination and finally inference based on repeat surveys. For the last two topics, both the traditional (also referred to as frequentist) and Bayesian approaches are presented, as well as their advantages and disadvantages.
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