Bioprevention. Think of the sex you have had with other men since your last visit. Which of the following safer sex methods have you used? (Check all that apply)
N/A: Me
Longitudinal Variable
SSM_NA_1
Cross Sectional Variable(s)
SSM_NA_1_70
SSM_NA_1_69
SSM_NA_1_67
Coding
0 = No | 1 = Yes
Scale
Domain