Table 1 Correlations between test and retest responses 4-6 weeks apart to HURT questions 1-8 (n = 40)
HURT question | Intra-class correlation coefficient | P-value |
|---|---|---|
1. On how many days in the last month did you have a headache? | 0.74 | <0.0001 |
2. On how many days in the last three months did your headaches make it hard to work, study or carry out household work? | 0.66 | 0.001 |
3. On how many days in the last three months did your headaches spoil or prevent your family, social or leisure activities? | 0.78 | <0.0001 |
4. On how many days in the last month did you take medication to relieve a headache? | 0.67 | <0.0001 |
5. When you take your headache medication, does one dose get rid of your headache and keep it away? | 0.92 | <0.0001 |
6. Do you feel in control of your headaches? | 0.90 | <0.0001 |
7. Do you avoid or delay taking your headache medication because you do not like its side-effects? | 0.93 | <0.0001 |
8. Do you feel you understand [your headache] diagnosis? | Kappa = 1.00 | <0.0001 |