The Journal of Headache and Pain

Table 3 Linear regression analysis with variables associated with neuroticism in secondary chronic headache

From: Psychological distress, neuroticism and disability associated with secondary chronic headache in the general population – the Akershus study of chronic headache

	Neuroticism Eysenck N-scale
	Bivariate (n = 79)				Multivariable (n = 72)
	N	Unstandarized coefficient	95% CI	p-value	N	Unstandarized coefficient	95% CI	p-value
Age	79	0.14	−0.15; 0.43	0.3	72	0.10	−0.23; 0.42	0.6
Gender
Male*	16	0			15	0
Female	63	1.34	−1.62; 4.30	0.4	57	0.88	−2.53; 4.30	0.6
Headache days last 3 months
< 80 days*	41	0			40	0
≥ 80 days	33	−0.77	−3.29; 1.76	0.5	32	−0.34	−3.43; 2.76	0.8
Co-occurrence of migraine
No*	49	0			43	0
Yes	30	0.09	−2.39; 2.55	0.9	29	−0.34	−3.10; 2.43	0.8
Type of headache
HACRS*	32	0			30	0
CPTH/CEH	44	−2.23	−4.65; 0.19	0.07	42	−2.10	−5.27; 1.07	0.2
Medication overuse
No*	42	0			37	0
Yes	37	1.73	−0.64; 4.09	0.2	35	1.72	−0.96; 4.39	0.2

*denotes reference group

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ISSN: 1129-2377

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