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Table 3 Proportions with, and adjusted odds ratios (AOR) for, severe migraine (VAS ≥8) among different BMI categories

From: Body mass index and migraine: a survey of the Chinese adult population

BMI

Severe migraine n/denominator (%)

AOR (95 % CI)

p

Normal

41/147 (27.9 %)

Reference

 

Underweight

11/23 (47.8 %)

2.32 (0.94–5.75)

0.070

Overweight

20/82 (24.4 %)

0.83 (0.44–1.57)

0.569

Obese

16/73 (21.9 %)

0.72 (0.36–1.43)

0.348

Morbidly obese

8/25 (32.0 %)

1.13 (0.45–2.86)

0.793

Total

96/350 (27.4 %)

  
  1. Overall χ2 = 6.580
  2. p = 0.160