Table 3 The impact of number of night shifts per month on the prevalence of different types of primary headache
Total headache | Migraine | Tension-type headache | ||||
|---|---|---|---|---|---|---|
Prevalence (%) | OR (95% CI) | Prevalence (%) | OR (95% CI) | Prevalence (%) | OR (95% CI) | |
Night shift number | 1.59(1.13-2.23) | 1.79(1.12-2.85) | 1.41(0.93-2.12) | |||
≤8 | 40.5 | 18.9 | 28.1 | |||
>8 | 51.9 | 29.4 | 35.5 | |||