Table 3 Factors associating with RLS prevalence

Migraine frequency

 Control (reference)

-

-

 1–8 days

1.32 (0.45–3.89)

0.612

1.03 (0.29–3.71)

0.963

 9–14 days

1.81 (0.54–6.11)

0.341

1.21 (0.30–4.88)

0.791

  ≥ 15 days

3.58 (1.09–11.82)

0.036

2.34 (0.56–9.83)

0.246

Female gender

0.94 (0.43–2.05)

0.874

0.87 (0.35–2.18)

0.763

Age (years)

1.01 (0.98–1.04)

0.547

1.02 (0.98–1.06)

0.374

Body mass index (kg/m²)

1.02 (0.93–1.13)

0.663

1.00 (0.90–1.11)

0.946

Education level (years)

0.96 (0.84–1.10)

0.568

1.02 (0.88–1.19)

0.762

Current or former smoker

1.23 (0.49–3.10)

0.663

0.98 (0.33–2.96)

0.973

Current or former alcohol

1.86 (0.89–3.92)

0.100

1.55 (0.63–3.84)

0.340

Coffee consumption

 Never (reference)

-

-

  < once a month

0.71 (0.24–2.04)

0.518

0.59 (0.17–2.03)

0.402

  ≥ 1 day a week

0.96 (0.41–2.25)

0.923

0.97 (0.36–2.61)

0.947

HADS-anxiety

1.20 (1.09–1.31)

<0.001

1.18 (1.03–1.36)

0.019

HADS-depression

1.08 (0.99–1.18)

0.083

0.89 (0.78–1.02)

0.094

PSQI total score

1.26 (1.13–1.39)

<0.001

1.17 (1.02–1.33)

0.023