Background
Methods
Two steps of the incidence study
Pre-study validation
Telephone survey
Post-study validation
Secondary aims
Statistical analysis
Results
Migraine incidence | Migraine prevalence | OR (95 % CI) | |||||
---|---|---|---|---|---|---|---|
(excluding old migraineurs) | (including old migraineurs) | ||||||
per year (%) n = 2563 | (%) n = 3001 | ||||||
Women | Men | Total | Women | Men | Total | ||
Age groups (years) 18–24 | 2.49 | 1.13 | 1.85 | 15.7 | 8.3 | 12.4 | 0.487 (0.177–1.340) |
25–29 | 3.03 | 1.91 | 2.38 | 20.9 | 10.4 | 15.3 | 0.436 (0.251–0.760) |
30–34 | 4.12 | 2.02 | 2.90 | 26.6 | 12.5 | 18.7 | 0.392 (0.258–0.618) |
35–39 | 3.35 | 2.10 | 2.61 | 22.6 | 15.2 | 18.4 | 0.612 (0.370–1.012) |
40–44 | 3.70 | 2.81 | 3.14 | 25.5 | 16.7 | 20.7 | 0.585 (0.345–0.991) |
45–49 | 2.68 | 2.07 | 2.35 | 25.5 | 15.5 | 20.7 | 0.535 (0.316–0.907) |
50–54 | 2.87 | 1.67 | 2.24 | 20.0 | 9.3 | 14.7 | 0.409 (0.203–0.825) |
55–59 | 1.60 | 1.40 | 1.49 | 16.8 | 10.7 | 13.7 | 0.596 (0.279–1.270) |
60–65 | 1.83 | 0.90 | 1.26 | 13.8 | 6.7 | 9.7 | 0.444 (0.150–1.318) |
65+ | 1.17 | 2.06 | 1.67 | 10.0 | 10.6 | 10.3 | 1.068 (0.338–3.376) |
18–70 | 2.98 | 1.93 | 2.38 | 21.6 | 12.4 | 16.7 | 0.512 (0.421–0.623) |
Age groups (years) | CM incidence | CM prevalence | OR (95 % CI) | ||||
---|---|---|---|---|---|---|---|
(%) n = 2928 | (%) n = 502 | ||||||
Women | Men | Total | Women | Men | Total | ||
18–24 | 0.000 | 0.000 | 0.000 | 0.0 | 0.0 | 0.0 | |
25–29 | 0.000 | 0.000 | 0.000 | 0.0 | 4.3 | 1.6 | 1.045 (0.958–1.141) |
30–34 | 0.085 | 0.000 | 0.038 | 1.6 | 1.0 | 1.0 | 0.984 (0.952–1.016) |
35–39 | 0.114 | 0.000 | 0.049 | 2.5 | 0.0 | 1.3 | 0.975 (0.928–1.025) |
40–44 | 0.131 | 0.106 | 0.117 | 2.5 | 6.5 | 4.2 | 2.690 (0.233–31.109) |
45–49 | 0.222 | 0.114 | 0.169 | 4.3 | 7.4 | 5.4 | 1.800 (0.239–13.569) |
50–54 | 0.140 | 0.0000 | 0.070 | 3.4 | 0.0 | 2.4 | 0.966 (0.901–1.034) |
55–59 | 0.000 | 0.971 | 0.085 | 0.0 | 7.7 | 3.1 | 1.083 (0.926–1.267) |
60–65 | 0.000 | 0.000 | 0.000 | 0.0 | 0.0 | 0.0 | |
65+ | 0.329 | 0.000 | 0.157 | 16.7 | 14.3 | 15.4 | 0.833 (0.041–16.994) |
Age groups (years) | MOH incidence | MOH prevalence | OR (95 % CI) | ||||
---|---|---|---|---|---|---|---|
(%) n = 2928 | (%) n = 502 | ||||||
Women | Men | Total | Women | Men | Total | ||
18–24 | 0.452 | 0.000 | 0.246 | 14.3 | 0.0 | 10.0 | 0.857 (0.692–1.062) |
25–29 | 0.313 | 0.177 | 0.239 | 5.0 | 4.3 | 4.8 | 0.864 (0.074–10.081) |
30–34 | 0.511 | 0.000 | 0.227 | 6.6 | 0.0 | 4.1 | 0.934 (0.874–0.999) |
35–39 | 0.454 | 0.260 | 0.344 | 5.0 | 8.6 | 6.7 | 1.781 (0.280–11.328) |
40–44 | 0.656 | 0.106 | 0.352 | 10.0 | 6.5 | 8.5 | 0.621 (0.106–3.631) |
45–49 | 0.111 | 0.114 | 0.113 | 4.3 | 3.7 | 4.1 | 0.865 (0.075–10.014) |
50–54 | 0.279 | 0.142 | 0.211 | 6.9 | 7.7 | 7.1 | 1.125 (0.093–13.636) |
55–59 | 0.890 | 0.162 | 0.509 | 26.3 | 0.0 | 15.6 | 0.737 (0.563–0.064) |
60–65 | 0.000 | 0.000 | 0.000 | 0.0 | 0.0 | 0.0 | |
65+ | 0.000 | 0.597 | 0.313 | 0.0 | 14.3 | 7.7 | 1.167 (0.862–1.579) |
Women | Men | Total | |
---|---|---|---|
n = 168 |
n = 146 |
n = 314 | |
Headache frequency per month mean (± SD) | 5.5 ± 5 | 5.2 ± 5 | 5.3 ± 5 |
Headache days per month mean (± SD) | 5.9 ± 5 | 5.4 ± 6 | 5.7 ± 6 |
Headache duration (hours) without medication mean (± SD) | 27.0 ± 95 | 20.9 ± 84 | 24.2 ± 90 |
Headache severity (0–3 scale) mean (± SD) | 2.06 ± 0.7 | 2.03 ± 0.6 | 2.05 ± 0.6 |
Self Assessment of Poor Quality of Life (%) | |||
Usually | 34 | 32 | 33 |
Sometimes | 45 | 47 | 46 |
Never | 21 | 21 | 21 |
Economic loss due to migraine (%) | |||
Usually | 20 | 15 | 18 |
Sometimes | 33 | 38 | 35 |
Never | 47 | 47 | 47 |
Poor relations with family (%) | |||
Usually | 32 | 22 | 28 |
Sometimes | 35 | 40 | 37 |
Never | 33 | 38 | 35 |
Poor relations with friends (%) | |||
Usually | 32 | 24 | 28 |
Sometimes | 31 | 36 | 33 |
Never | 37 | 40 | 39 |
Loss of work time (workers) (%) | (n = 65) | (n = 119) | (n = 184) |
Yes | 34 | 27 | 29 |
No | 66 | 73 | 71 |
Loss of school time (students) (%) | (n = 12) | (n = 8) | (n = 20) |
Yes | 42 | 50 | 45 |
No | 58 | 50 | 55 |
Assessed factor | New-onset migraineurs | Migraine-free individuals |
P
| Odd Ratio (95 % CI) |
---|---|---|---|---|
(n:314) | (n: 2249) | |||
Monthly income | ||||
more than 1300USD | 95 (30.3 %) | 621 (27.6 %) | NS | 1.137 (0.878–1.471) |
less than 1300USD | 219 (69.7 %) | 1628 (72.3 %) | ||
Diagnosis and treatment for depression** | 0.010 | |||
yes | 58 (18.8 %) | 296 (13.4 %) | 1.503 (1.102–2.051) | |
no | 250 (81.2 %) | 1918 (86.6 %) | ||
Headache in family | ||||
yes | 172 (54.8 %) | 1069 (47.5 %) | 0.016 | 1.337 (1.055–1.695) |
no | 142 (45.2 %) | 1180 (52.5 %) | ||
Mother with headache | ||||
yes | 93 (29.6 %) | 631 (28.1 %) | NS | 1.079 (0.833–1.398) |
no | 221 (70.4 %) | 1618 (71.9 %) | ||
Father with headache | ||||
yes | 54 (17.2 %) | 243 (10.8 %) | 0.001 | 1.715 (1.243–2.366) |
no | 260 (82.8 %) | 2006 (89.2 %) | ||
Education | ||||
more than 8 years | 228 (72.6 %) | 1598 (71.1 %) | NS | 1.080 (0.829–1.407) |
8 years or less | 86 (27.4 %) | 651 (28.9 %) |