Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Reliability study (ICC)
| ICC | CI%95 | |
|---|---|---|
| Pain intensity | 0.90 | (0.87-0.93) |
| Personal care | 0.87 | (0.85-0.91) |
| Lifting | 0.88 | (0.85-0.92) |
| Reading | 0.91 | (0.88-0.94) |
| Headaches | 0.87 | (0.85-0.91) |
| Concentration | 0.93 | (0.89-0.98) |
| Work | 0.89 | (0.86-0.92) |
| Driving | 1 | |
| Sleeping | 0.89 | (0.86-0.92) |
| Leisure activity | 0.93 | (0.89-0.97) |
