516a What was the main reason you used a condom on that occasion?
Respondent wanted to prevent STD/HIV 01 (Go to 517)
Respondent wanted to prevent pregnancy 02 (Go to 517)
Respondent wanted to prevent both STD/HIV and pregnancy 03 (Go to 517)
Did not trust partners/feels partner has other partners 04 (Go to 517)
Partner insisted 05 (Go to 517)
Other (specify) __________ 96 (Go to 517)
Don't know 98