Table 2.

Characteristics of the research sample

The form of ownership
Public	49.31%
Private	50.69%
Type of services provided (due to reimbursement)
Under a contract with the NFZ (payer)	23.51%
Commercial only	11.52%
Both forms	64.97%
Number of employees
Up to 9	17.51%
10–50	34.10%
51–250	27.19%
251–500	13.36%
501–1000	5.53%
Over 1000	2.30%
Voivodeship
Dolnośląskie	3.2%
Kujawsko pomorskie	0.9%
Lubelskie	9.2%
Lubuskie	2.8%
Łódzkie	32.3%
Małopolskie	4.1%
Mazowieckie	18.4%
Opolskie	1.4%
Podkarpackie	1.4%
Podlaskie	1.4%
Pomorskie	1.4%
Śląskie	18.4%
Świętokrzyskie	1.4%
Warmińsko pomorskie	1.4%
Wielkopolskie	0.9%
Zachodniopomorskie	1.4%