Box 1 Qualities of the short survey module of sexual-health related practices, behaviours and outcomes

This survey was meant to capture priority sexual health related measures and have the following qualities:

• ~ 10 min (average) completion time

• Appropriate for general population (age 15+)

• Consist of stand-alone measures (scales or indices are discouraged)

• Included questions have been implemented in existing surveys (measure creation is discouraged)