What to know
- Find data files and documentation for Rapid Surveys System Round 4 on this page.
- Round 4 health topics include technology-facilitated sexual violence, coercive control, psychological aggression, and more.

Round 4 topics
- Technology-facilitated sexual violence
- Coercive control
- Psychological aggression
- Sexual violence
- Traumatic brain injury
Data files
Restricted-use data
Access restricted data from the National Center for Health Statistics (NCHS) Rapid Surveys Round 4 in the NCHS Research Data Center.