Table 2.
Patient characteristics, comorbid diseases, and preventive medications for adult patients with migraine who visited primary or specialty care physicians, from the National Ambulatory Medical Care Survey (2006–2009).
| Total |
Primary care physicians |
Specialty care physicians |
Rao Scott χ2 tests |
|
|---|---|---|---|---|
| Weighted % (S.E.) |
Weighted % (S.E.) |
Weighted % (S.E.) |
P-value | |
| Physician specialty | 100.0 | 72.6 (3.4) | 27.4 (3.4) | |
| Age (years) | ||||
| 18–29 | 19.2 (2.0) | 19.8 (2.5) | 17.4 (2.2) | 0.613 |
| 30–39 | 24.5 (1.8) | 24.7 (2.3) | 23.8 (2.2) | |
| 40–49 | 25.5 (2.2) | 24.0 (2.9) | 29.5 (2.1) | |
| 50–59 | 20.3 (2.2) | 21.1 (2.9) | 18.4 (1.9) | |
| ≥ 60 | 10.5(2.0) | 10.4 (2.7) | 10.8 (1.4) | |
| Sex | ||||
| Male | 16.3 (2.0) | 16.0 (2.7) | 17.0 (1.5) | 0.758 |
| Female | 83.7 (2.0) | 84.0 (2.7) | 83.0 (1.5) | |
| Race | ||||
| White | 85.9 (2.1) | 86.6 (2.6) | 83.9 (2.4) | 0.439 |
| Others | 14.1 (2.1) | 13.4 (2.6) | 16.1 (2.4) | |
| Insurance | ||||
| Private | 70.5 (2.3) | 69.2 (2.9) | 73.8 (3.1) | 0.277 |
| Others | 29.5 (2.3) | 30.8 (2.9) | 26.2 (3.1) | |
| Comorbid diseases | ||||
| Epilepsy | 0.7 (0.2) | − a | 2.6 (0.6) | < 0.001 |
| Hypertension | 17.4 (1.9) | 18.3 (2.5) | 14.8 (2.0) | 0.255 |
| Depression | 23.7 (2.0) | 24.7 (2.6) | 21.0 (2.5) | 0.336 |
| Arthritis | 11.2 (1.5) | 10.9 (2.0) | 11.8 (1.8) | 0.749 |
| Asthma | 8.1 (1.4) | 9.4 (1.9) | 4.7 (0.9) | 0.013 |
| Hyperlipidemia | 14.5 (1.9) | 17.3 (2.5) | 7.1 (2.1) | 0.006 |
| Preventive medications | ||||
| Anticonvulsants | 18.4 (2.5) | 12.5 (3.5) | 34.0 (3.1) | < 0.001 |
| Beta-blockers | 10.2 (1.9) | 9.9 (2.4) | 10.8 (1.5) | 0.757 |
| Antidepressants | 8.4 (1.7) | 7.4 (2.2) | 11.0 (2.0) | 0.232 |
| Triptans for MM | 5.5 (1.0) | 4.5 (1.2) | 8.3 (1.4) | 0.318 |
| Other triptans | 29.8 (3.2) | 29.2 (4.2) | 31.4 (3.6) | 0.698 |
MM, menstrual migraine; S.E., standard error.
a
Fewer than 30 records or > 30% of relative standard error.