Table 1

Parameter	Specialists (n [%])		χ²	df	P-value
Parameter	Periodontists (n = 65)	Oral surgeons (n = 121)	χ²	df	P-value
Gender
Woman	53 (81.5%)	14 (11.6%)	89.824	1	0.000^a
Man	12 (18.5%)	107 (88.4%)	89.824	1	0.000^a
Age (years)
20 to 29	8 (4.2%)	19 (10.2%)	37.059	2	0.000^a
30 to 39	35 (16.6%)	69 (36.9%)	37.059	2	0.003^a
40 to 49	20 (10.7%)	20 (10.7%)	37.059	2	0.175
50 to 59	2 (1.1%)	13 (7%)	37.059	2	0.002^a
Workplace
Private clinic	57 (87.7%)	101 (83.5%)	2.917	2	0.233
Public health service	1 (1.5%)	0	2.917	2	0.233
Private clinic and public health service	7 (10.8%)	20 (16.5%)	2.917	2	0.233
University
Lithuanian University of Health Sciences (LSMU)	52 (80%)	96 (79.3%)	0.523	2	0.77
Vilnius University	12 (18.5%)	21 (17.4%)	0.523	2	0.77
Another University	1 (1.5%)	4 (3.3%)	0.523	2	0.77

^aStatistically significant (P < 0.05), degree of freedom for the chi-square (χ²).
n = number of respondents.