borderline significantp=0.055
There seems to be support for a higher risk for headache after three night shifts than after three morning shifts, although the association was borderline significant (p=0.055).
There seems to be support for a higher risk for headache after three night shifts than after three morning shifts, although the association was borderline significant (p=0.055).
For headache, a strong trend indicated that the risk was higher on workday 3 compared with workday 2 for night shifts (OR 1.13, 95% CI 0.99 to 1.28).