Table 1 Pearson-Product Moment Correlation Matrix for Functional and Psychological Variables at Baseline Statistically Associated with the Physical or Emotional Burden of Headache at One Year
Mean | 95% CI | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
1. HDI-E at 12 months (0–52) | 16.1 | 13.1–19.1 | |||||||||
2. HDI-P at 12 months (0–48) | 20.5 | 17.7–23.3 | .783** | ||||||||
3. Headache Intensity (0–10) | 5.7 | 5.4–6.0 | n.s | 228* | |||||||
4. Headache Duration (hours/day) | 7.7 | 6.9–8.5 | n.s | .376** | .335** | ||||||
5. Headache Frequency (days/month) | 19.1 | 17.3–20.9 | .281* | .306** | .247* | .245* | |||||
6. Pittsburg Questionnaire (0–21) | 8.8 | 7.9–9.7 | .326** | .291* | .284** | n.s | .193* | ||||
7. HADS-D (0–21) | 9.5 | 8.6–10.4 | .408** | .330** | .199* | n.s | .209* | .451** | |||
8. Bodily Pain (SF-36, 0–100) | 47.3 | 42.3–52.3 | −.508** | −.556** | −.190** | n.s | −.222** | −.362** | −.447** | ||
9. Vitality (SF-36, 0–100) | 46.3 | 41.6–51.0 | −.374** | −.453** | n.s | n.s | n.s | −.418** | −.615** | .608** | |
10. Mental Health (SF-36, 0–100) | 51.1 | 46.4–55.8 | −.343** | −.254* | −.206* | n.s | n.s | −.386** | −.730** | .447** | .647** |