Table 3.
Demographics and disease characteristics of the study population irrespective of the presence of headache.
| Total (n = 21,480) | |
|---|---|
| Age, years | |
| Mean ± SD | 48.8 ± 10.5 |
| 19–29 years | 1,151 (5.4) |
| 30–39 years | 2,944 (13.7) |
| 40–49 years | 6,095 (28.4) |
| 50–59 years | 8,265 (38.5) |
| ≥60 years | 3,025 (14.1) |
| Sex | |
| Men | 15,802 (73.6) |
| Women | 5,678 (26.4) |
| Headache | 7,311 (34.0) |
| Number of headache days in the past 30 days a | |
| Mean ± SD | 3.6 ± 4.7 |
| 0–3 days | 5,387 (73.7) |
| 4–7 days | 1,082 (14.8) |
| 8–14 days | 488 (6.7) |
| ≥15 days | 354 (4.8) |
| Physician visita | 735 (10.1) |
| Use only OTC drugs for headachesa | 2,859 (39.1) |
| Migraine based on survey responses (ICHD-3) b | |
| Total | 691 (100.0) |
| Episodic migraine | 672 (97.3) |
| Chronic migraine | 19 (2.7) |
| Diagnosis records c | |
| Migraine | 250 (1.2) |
| Tension-type headache | 89 (0.4) |
| Premenstrual migraine | 0 (0.0) |
| Comorbidity c | |
| Hypertension | 3,461 (16.1) |
| Cardiovascular disorders | 1,321 (6.1) |
| Cerebrovascular disorders | 534 (2.5) |
| Epilepsy | 149 (0.7) |
| Gastrointestinal disorders | 6,099 (28.4) |
| Constipation | 1,055 (4.9) |
| Mood disorders | 906 (4.2) |
| Anxiety disorders | 479 (2.2) |
| Asthma | 1,046 (4.9) |
| Prescriptions c | |
| Acute medications (triptans, acetaminophen, and NSAIDs) | 5,609 (26.1) |
| Prophylactic medications (valproic acid, topiramate, propranolol, lomerizine, and candesartan) | 1,598 (7.4) |
Data are n (%) unless otherwise stipulated.
a
Proportions were calculated using 7,311 people with headache as the denominator.
b
Proportions were calculated using 691 people with migraine according to the ICHD-3 criteria as the denominator.
c
Data were obtained from medical claims. ICHD-3, International Classification of Headache Disorders, version 3; NSAIDs, non-steroidal anti-inflammatory drugs; OTC, over the counter; SD, standard deviation.