Table 2 Multivariable adjusted odds ratios (95% confidence interval) for total headache, migraine, tension-type headache (TTH), and chronic daily headache (CDH)

Age

20-29

Reference

Reference

Reference

Reference

30-39

1.166(0.751-1.809)

1.070(0.585-1.959)

1.242(0.742-2.078)

1.464(0.371-5.780)

≥40

1.401(0.667-2.944)

1.732(0.617-4.857)

1.043(0.438-2.482)

8.455(1.138-62.848)*

Seniority (years)(≥5 VS <5)

1.468(1.013-2.126)*

2.280(1.323-3.929)**

1.122(0.718-1.752)

3.724(0.890-15.579)

Nursing specialty

Internal Medicine

Reference

Reference

Reference

Reference

Surgical Department

0.989(0.741-1.320)

1.121(0.740-1.699)

0.914(0.649-1.289)

0.464(0.187-1.152)

Others

0.848(0.605-1.188)

0.766(0.459-1.279)

0.998(0.676--1.474)

0.136(0.027-0.673)*

BMI

Normal weight (18.5 to <23)

Reference

Reference

Reference

Reference

Underweight (<18.5)

0.804(0.557-1.160)

0.982(0.582-1.659)

0.704(0.447-1.110)

1.685(0.507-5.603)

Overweight (23 to <25)

1.082(0.719-1.626)

0.959(0.525-1.752)

1.177(0.736-1.883)

0.509(0.105-2.473)

Obese (≥25)

1.814(1.165-2.823)**

1.515(0.802-2.863)

1.684(1.011-2.806)*

3.184(1.116-9.089)*