Use of outpatient medical care by headache patients in Germany: a population-based cross-sectional study

Table 2 Factors associated with physician consultation: Logistic regression analysis

Variable (Reference)	OR	95% CI	p value
Headache days per month (HDM) (< 1^a)			< .001
1–3	2.29	1.65–3.19	< .001
4–14	2.41	1.49–3.89	< .001
≥ 15	4.83	2.02–11.6	< .001
Adverse headache impact (HIT-6) (No or little impact^a)			< .001
Moderate impact	1.74	1.22–2.48	.002
Substantial impact	3.01	1.84–4.92	< .001
Severe impact	5.08	3.21–8.04	< .001
Sex (Male^a)
Women	1.00	0.70–1.41	.98
Age group (14–34 years^a)			.003
35–54 years	1.90	1.25–2.83	.002
55–74 years	1.96	1.19–3.24	.008
≥ 75 years	1.02	0.46–2.29	.96
Work schedule (Part-time^a)			.20
Full-time	0.71	0.46–1.10	.13
Pensioners	1.00	0.56–1.79	.99
Other	0.60	0.34–1.06	.076
Occupational group (Employed manual workers^a)			.033
Employees / Officials	0.69	0.46–1.03	.067
Self employed persons	0.48	0.24–0.92	.027
Persons who never had a job	1.40	0.65–2.99	.39

Weighted random sample; OR odds ratio, CI confidence interval
^areference; HIT-6, Headache Impact Test, range 6–78, higher score indicates a greater impact of headaches on the ability to function on the job, at school, at home and in social situations