|Meeting 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.)|
|2. Why track behaviour?|
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.