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Table 2 Association between obesity and headache

From: Migraine, obesity and body fat distribution – a population-based study

  No headache N Migraine OR (95% CI) N Tension-type headache OR (95% CI) N
Obesity (BMI)a
 Underweight 121 1.17 (0.78–1.74) 38 0.83 (0.53–1.31) 24
 Normal weight 7519 1.0 (Ref.) 1455 1.0 (Ref.) 1469
 Overweight 11,289 1.19*** (1.10–1.29) 1710 1.11** (1.03–1.20) 1893
 Obese 5424 1.45*** (1.32–1.59) 1071 1.26*** (1.15–1.38) 1054
Abdominal obesity (WC)b
 Normal weight 6633 1.0 (Ref.) 1090 1.0 (Ref.) 1141
 Abdominal overweight 7638 1.16** (1.05–1.27) 1232 1.20*** (1.09–1.31) 1367
 Abdominal obesity 10,066 1.29*** (1.18–1.41) 1935 1.27*** (1.17–1.39) 1925
  1. **p < 0.01; ***p < 0.001
  2. aUnderweight (BMI < 18.5), normal weight (18.5 ≤ BMI < 25), overweight (25 ≤ BMI < 30), obese (BMI ≥ 30)
  3. bNormal weight (WC for women < 80 cm, for men < 94 cm), abdominal overweight (women 80–88 cm, men 94–102 cm), abdominal obesity (women > 88 cm, men > 102)
  4. OR odds ratio, CI confidence intervals, Ref. reference category, BMI body mass index, WC waist circumference
  5. The analyses are adjusted for age, sex, smoking, depression (HADS-D) and presence of diabetes