6. Collecting data
This new sexual network module in the questionnaire is relevant
for researchers and managers who want to have a better understanding of the
dynamics of the HIV epidemic in a context where heterosexual transmission is
predominant. For evaluation purposes, though, the standard questionnaire [1] is
still recommended. Note that the general design of the population survey is
still the same and that all the sections in the methods package on sampling,
sample size and other issues remain quite useful.
Five teams of investigators have already applied this new module
in Dakar, Senegal; Cotonou, Benin; Lusaka, Zambia; Kisumu, Kenya and Yaounde,
Cameroon, with technical support from UNAIDS. Biological information on HIV
infection and on STDs has also been collected at these sites.
It should be noted that although the makeup of the teams
collecting behavioural data is essentially the same as for the earlier
questionnaire, more training will be needed for the application of this new
network module, and data analysis is also more complex. The average budget of
US$ 30,000 for the survey should be increased by 15% to take into account
increased efforts in training, a longer average time for interviews and more
time spent on data analysis and report writing. UNAIDS and its partners stand
ready to provide technical assistance in, for example, identifying consultants
to help with training in both the administration of the survey and subsequent
analysis of
data.