. Author manuscript; available in PMC: 2016 Nov 10.

Published in final edited form as: Ethics Behav. 2014 Aug 14;25(2):97–114. doi: 10.1080/10508422.2014.950270

Table 2. Participant experiences with HIV-related research studies, among female sex workers (N=33), Tecun Uman, Guatemala, 2013-2014.

Variable	n (%)
Ever participated in a research study	20 (61.0%)
Time since research participation, in months (mean, range)^**	5.0 (0.1 - 12.0)
Types of previous research participation^**
Biological testing for HIV/STIs	19 (95.0%)
Survey or questionnaire	10 (50.0%)
In-depth interview	14 (70.0%)
Focus group	5 (25.0%)

All variables represent n (%) of participants unless otherwise stated.

^**

Among research-exposed women only (i.e., those who had previously participated in a research study) (n=20)