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close this bookMeeting the Behavioural Data Collection Needs of National HIV/AIDS and STD Programmes (Implementing AIDS Prevention and Care Project - Joint United Nations Programme on HIV/AIDS - United States Agency for International Development, 1998, 41 p.)
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View the document1. Introduction
close this folder2. Why track behaviour?
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View the document2.1 Behavioural data serves as an early warning system for HIV and STDs
View the document2.2 Behavioural data informs effective programme design and direction
View the document2.3 Tracking behaviour improves programme evaluation
View the document2.4 Changes in behaviour help explain changes in HIV prevalence
View the document2.5 Behavioural data can help explain variations in prevalence
View the document3. Linking behavioural data with HIV serosurveillance
close this folder4. What is needed to understand and track behaviour?
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View the document4.1 The role of national programmes in behavioural data collection
View the document4.2 Key components of behavioural data collection systems
View the document4.3 Rapid assessments, mapping and qualitative studies
View the document4.4 Behavioural surveys in the general population
View the document4.5 Repeated behavioural surveys in selected population groups
View the document5. Do people tell the truth about their sexual and drug-taking behaviour?
close this folder6. Recommended mix of data collection methods
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View the document6.1 Stages of the HIV epidemic
View the document6.2 Behavioural data collection in a low-level epidemic
View the document6.3 Behavioural data collection in a concentrated epidemic
View the document6.4 Behavioural data collection in a generalised epidemic
View the document7. What next?
View the document8. Sustaining behavioural data collection over time
View the documentBibliography
View the documentAnnex

2.5 Behavioural data can help explain variations in prevalence

Although comparisons across regions, cultures, and countries must be made with extreme caution, behavioural data can also help explain differences in levels of infection between one region and another. This is particularly true when indicators of risk behaviour are standardised across all studies and surveys, with the same wording and reference periods.