Table 1.

Patient characteristics (n = 3802)*

Item	Characteristic	N (Percentage)
Gender	Female	2025 (53%)
	Male	1677 (44%)
Age	Younger than 20 years	234 (6%)
	20-59 years	1776 (47%)
	60 years or older	1754 (46%)
Education	Lower level	2647 (70%)
	Higher level	1013 (27%)
Health status	Bad/moderate	843 (22%)
	Good, very good, excellent	2412 (63%)
Specialty	Surgery	612 (16%)
	Internal Medicine	474 (13%)
	Orthopaedics	437 (12%)
	Gynaecology and Obstetrics	318 (9%)
	Ophthalmology	310 (8%)
	Ear Nose Throat-surgery	287 (8%)
	Cardiology	276 (7%)
	Urology	206 (6%)
	Other (less than 5% per specialty)	830 (22%)

* Numbers do not always add up to 3802, due to missing values.