Table 1.
Characteristics of respondents at baseline
| Participant | Age | Gender | Employment | Headache frequency (per month baseline year) | Time between baseline & interview (no. weeks) |
|---|---|---|---|---|---|
| P1 | 30 | F | Unemployed (Ill health) | 23 | 23 |
| P2 | 19 | M | Unemployed | 4 | 20 |
| P3 | 56 | F | Employed (Part time) | 5 | 17 |
| P4 | 45 | M | Employed (Full time) | 4 | 23 |
| P5 | 51 | F | Employed (Part time) | 25 | 21 |
| P6 | 22 | F | Employed (Full time) | 4 | 17 |
| P7 | 43 | M | Employed (Part time) | 6 | 26 |
| P8 | 48 | F | Employed (Part time) | 7 | 15 |
| P9 | 27 | F | Employed (Part time) | 6 | 14 |
| P10 | 54 | F | Employed (Part time) | 7 | 32 |
| P11 | 28 | F | Employed (Full time) | 8 | 22 |
| P12 | 70 | M | Retired (Ill health) | 24 | 37 |
| P13 | 49 | F | Employed (Full time) | 7 | 41 |
| P14 | 40 | F | Employed (Full time) | 8 | 50 |
| P15 | 27 | F | Employed (Full time) | 6 | 22 |
| P16 | 44 | F | Self-employed | 8 | 17 |
| P17 | 47 | F | Employed (Part time) | 9 | 52 |
| P18 | 63 | F | Retired (Age) | 5 | 15 |
| P19 | 64 | M | Retired (Age) | 4 | 23 |
| P20 | 25 | M | Unemployed | 28 | 15 |