Table 1 Demographic characteristics of migraine and control subjects
From: Association between Chlamydia pneumoniae IgG antibodies and migraine
Control (N = 329) | Migraine (N = 329) | P value | |
|---|---|---|---|
Gender, male, N | 112 | 133 | 0.5 |
Age (years) | 29.2 ± 8.2 | 31.2 ± 9.2 | 0.000 |
Smoking, N (over 5 years, above 15 packs/month) | 91 | 96 | 0.98 |
Pickle, N (over 3 years, above 30 g/day) | 253 | 103 | 0.000 |
Body mass index (kg/m2) | 23.82 ± 1.56 | 23.81 ± 1.91 | 0.000 |