Recent Trends in HIV-Related Knowledge and ... - Measure DHS

analysis that the changes are gradual and the trends are linear, while in fact they may not. Second, the datarelated to the HIV/AIDS program were not collected during the survey and were not available for theanalysis. Therefore, it is not possible to ascertain causal effects of the changes, and whether changes inknowledge, attitudes, and behaviors are associated with the level of effort and coverage of the program.Moreover, the study does not examine the association between knowledge and behavior (i.e., anassociation between the increase observed in the level of HIV-related knowledge and the increaseobserved in the level of HIV-related behaviors). Finally, this analysis is based on reported information onsexual behavior. The results may be biased to the extent of misreported sexual behaviors (Mensch et al.2003). In a given social context, the extent of such misreporting could vary by sex, educational level,economic status, and area of residence (Hewett et al. 2004).24