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.
Convergent/discriminant validity: correlations between Migraine-Specific Questionnaire scale scores and scores on the Headache Impact Test-6
| Scale | Study 1 | Study 2 | |||
|---|---|---|---|---|---|
| Pearson | N | Pearson | N | ||
| Baseline | RR | −0.75 | 670 | −0.78 | 701 |
| RP | −0.67 | 670 | −0.66 | 702 | |
| EF | −0.62 | 671 | −0.59 | 703 | |
| Week 24 | RR | −0.86 | 585 | −0.84 | 646 |
| RP | −0.74 | 584 | −0.74 | 647 | |
| EF | −0.78 | 583 | −0.74 | 647 | |
RR role restrictive, RP role preventive, EF emotional function
