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Table 5 Proportions with, and adjusted odds ratios (AOR) for, disabling migraine (MIDAS grades II–IV) among different BMI categories

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

BMI Disabling migraine n/denominator (%) AOR (95 % CI) p
Normal 87/174 (50.0 %) Reference  
Underweight 17/24 (70.8 %) 2.34 (0.92–5.97) 0.075
Overweight 46/89 (51.7 %) 1.09 (0.65–1.82) 0.751
Obese 41/84 (48.8 %) 0.98 (0.57–1.67) 0.940
Morbidly obese 14/27 (51.9 %) 1.16 (0.51–2.65) 0.718
Total 205/398 (51.5 %)   
  1. Overall χ2 = 3.994;
  2. p = 0.407