Can follow-up study questions about correct and consistent condom use reduce respondent over-reporting among groups at high risk? An analysis of datasets from six countries

Table 1 Description of study samples

Country	Year	Target population	Type of sample	Sample size
Dominican Republic	2008	Female commercial sex workers	Multi-stage cluster sampling	790
El Salvador	2007	Female commercial sex workers	Multi-stage cluster sampling	588
	2007	Men who have sex with men	Respondent-driven sampling	592
Guatemala	2007	Female commercial sex workers	Multi-stage cluster sampling	520
	2007	Men who have sex with men	Respondent-driven sampling	591
Honduras	2007	Female commercial sex workers	Multi-stage cluster sampling	509
	2007	Men who have sex with men	Respondent-driven sampling	565
Nicaragua	2007	Female commercial sex workers	Multi-stage cluster sampling	511
	2007	Men who have sex with men	Respondent-driven sampling	297
Panama	2007	Female commercial sex workers	Multi-stage cluster sampling	510
	2007	Men who have sex with men	Respondent-driven sampling	596

ISSN: 1742-4755