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

Table 4 Obesity by headache frequency

		Non-obese (BMI) A	Obesity (BMI) B	Non-obese (WC) C	Abdominal obesity (WC)D
Headache status	Headache frequency	N	OR (95% CI) N	N	OR (95% CI)
No headache		18,929	1.0 (Ref.) 5424	14,271	1.0 (Ref.) 10,066
Tension-type headache	Episodic (≤14 days/month)	3141	1.15** (1.06–1.25) 964	2320	1.15*** (1.07–1.24) 1778
	Chronic (> 14 days/month)	245	1.27 (0.99–1.62) 90	188	1.03 (0.82–1.30) 147
Migraine	Episodic (≤14 days/month)	3015	1.25*** (1.16–1.36) 995	2191	1.15*** (1.07–1.24) 1805
	Chronic (> 14 days/month)	174	1.53** (1.16–2.02) 74	120	1.36* (1.04–1.76) S125

OR odds ratio, CI confidence intervals, Ref. reference category, BMI body mass index
ABody-mass index < 30. BBody-mass index ≥30. CWaist circumference ≤ 88 cm for women, ≤102 cm for men. DWaist circumference > 88 cm for women, > 102 cm for men. *p < 0.05; **p < 0.01; ***p < 0.001. Analyses are adjusted for age, sex, smoking, depression (HADS-D) and presence of diabetes

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