Condition | Chronic migraine | Episodic migraine | OR (95% CI), p value* |
N (%) | N (%) | ||
Allergies or hay fever | 392 (59.85) | 5374 (50.66) | OR (95% CI)=1.47 (1.25 to 1.73, p≤0.001) |
Anxiety | 198 (30.23) | 1993 (18.79) | OR (95% CI)=1.80 (1.51 to 2.15, p≤0.001) |
Arthritis | 220 (33.59) | 2354 (22.19) | OR (95% CI)=1.71 (1.43 to 2.05, p≤0.001) |
Asthma | 160 (24.43) | 1827 (17.22) | OR (95% CI)=1.53 (1.27 to 1.84, p≤0.001) |
Bipolar disorder | 30 (4.58) | 298 (2.81) | OR (95% CI)=1.56 (1.06 to 2.31, p=0.024) |
Bronchitis | 126 (19.24) | 1370 (12.91) | OR (95% CI)=1.54 (1.25 to 1.89, p≤0.001) |
Chronic bronchitis | 60 (9.16) | 477 (4.50) | OR (95% CI)=1.99 (1.49 to 2.65, p≤0.001) |
Chronic pain | 206 (31.45) | 1599 (15.07) | OR (95% CI)=2.49 (2.08 to 2.97, p≤0.001) |
Circulation problems | 113 (17.25) | 1212 (11.42) | OR (95% CI)=1.51 (1.21 to 1.87, p≤0.001) |
Depression (Patient Health Questionnaire-9) | 192 (30.19) | 1767 (17.24) | OR (95% CI)=2.00 (1.67 to 2.40, p≤0.001) |
Depression (self-report of a physician diagnosis) | 270 (41.22) | 2718 (25.62) | OR (95% CI)=1.99 (1.68 to 2.34, p≤0.001) |
Emphysema or chronic obstructive pulmonary disease | 32 (4.89) | 276 (2.60) | OR (95% CI)=1.73 (1.18 to 2.54, p=0.005) |
Heart disease or angina | 63 (9.62) | 673 (6.34) | OR (95% CI)=1.43 (1.08 to 1.90, p=0.012) |
High blood pressure | 221 (33.74) | 2951 (27.82) | OR (95% CI)=1.23 (1.03 to 1.47, p=0.021) |
High cholesterol | 224 (34.20) | 2713 (25.57) | OR (95% CI)=1.46 (1.23 to 1.73, p≤0.001) |
Obesity | 167 (25.50) | 2223 (20.95) | OR (95% CI)=1.24 (1.03 to 1.50, p=0.020) |
Sinusitis | 296(45.19) | 3926 (37.01) | OR (95% CI)=1.39 (1.18 to 1.63, p≤0.001) |
Stroke | 26 (3.97) | 234 (2.21) | OR (95% CI)=1.65 (1.09 to 2.52, p=0.019) |
Ulcers | 99 (15.11) | 860 (8.11) | OR (95% CI)=1.91 (1.52 to 2.40, p≤0.001) |
↵* ORs and 95% Wald CIs adjusted for age, gender and income.