Table 3.

Oral Health Impact Profile (OHIP-14) scores, total and for each domain, presented as mean and standard deviation (SD), according to gender and periodontitis severity

	Women (n = 320)					Men (n = 272)					Overall (N = 592)
Stage	0	1	2	3	P-value #	0	1	2	3	P-value #	0	1	2	3	P-value #
OHIP-14. mean (SD)	9.0 (11.9)	6.3 (8.9)	8.6 (10.4)	12.8 (13.2)	0.101	4.3 (6.5)	6.3 (9.0)	5.6 (7.4)	7.0 (10.3)	0.502	7.2 (10.3)	6.3 (8.9)	7.1 (9.2)	9.9 (12.2)	0.225
OHIP-14 domain. Mean (SD)
Functional limitation	1.2 (2.2)	0.8 (1.6)	1.4 (1.9)	1.3 (2.1)	0.027	0.7 (1.4)	1.3 (2.1)	0.6 (1.2)	1.0 (1.7)	0.216	1.0 (2.0)	1.0 (1.9)	1.0 (1.6)	1.2 (1.9)	0.466
Physical pain	2.4 (2.7)	1.9 (2.5)	2.2 (2.5)	3.4 (2.9)	0.410	1.8 (2.3)	1.7 (2.3)	2.0 (2.5)	2.0 (2.5)	0.704	2.2 (2.6)	1.8 (2.4)	2.1 (2.5)	2.7 (2.7)	0.397
Psychological discomfort	1.6 (2.6)	1.1 (2.2)	1.5 (2.3)	2.3 (2.9)	0.293	0.5 (1.7)	1.0 (2.3)	1.0 (1.8)	1.0 (2.1)	0.126	1.2 (2.3)	1.0 (2.2)	1.2 (2.1)	1.6 (2.6)	0.190
Physical disability	1.6 (2.5)	1.0 (1.9)	1. 4 (2.7)	1.1 (2.1)	0.404	0.8 (1.7)	1.0 (1.8)	0.9 (1.8)	1.1 (2.2)	0.835	1.3 (2.2)	1.0 (1.9)	1.2 (2.2)	1.6 (2.5)	0.715
Psychological disability	1.1 (2.1)	1.0 (2.0)	1.1 (2.0)	1.8 (2.5)	0.765	0.3 (1.0)	0.7 (1.4)	0.5 (1.3)	0.9 (2.0)	0.266	0.8 (1.8)	0.9 (1.8)	0.8 (1.7)	1.3 (2.3)	0.725
Social disability	0.5 (1.3)	0.0 (0.2)	0.4 (1.2)	0.6 (1.6)	0.112	0.0 (0.3)	0.2 (0.8)	0.2 (0.5)	0.3 (1.0)	0.300	0.3 (1.0)	0.1 (0.6)	0.3 (1.0)	0.4 (1.3)	0.261
Handicap	0.6 (1.6)	0.5 (1.4)	0.7 (1.8)	1.4 (2.3)	0.946	0.1 (0.5)	0.5 (1.1)	0.4 (1.1)	0.8 (1.9)	0.101	0.4 (1.3)	0.3 (1.3)	0.5 (1.5)	1.1 (2.1)	0.493

0 – Healthy; 1 – Stage I, Mild Periodontitis; 2 – Stage II, Moderate Periodontitis; 3 – Stage III, Severe/Advanced Periodontitis; OHIP-14 - Oral Health Impact Profile-14; SD – standard deviation

# Kruskal-Wallis test. Significant differences identified in bold (*p < 0.05)