Oral Health Impact Profile Scale Applied to Periodontal Disease: Relationship with Sociodemographic Variables in General Population and Clinic Samples from Monterrey, Mexico

Table 3: Correlation between OHIP-14-PD and sociodemographic variables.

Variables	GPS (n = 256)			DCS (n = 249)			Interaction with Samples
Variables	η²	r	r_S	η²	r	r_S	η	η²
Sex	-	0.076	-	-	0.052	-	0.009	< 0.001
Age	-	-	0.051^ns	-	-	0.168**	0.122	0.015
Education level	-	-	-0.111^ns	-	-	-0.115^ns	0.109	0.012
SES	-	-	-0.186**	-	-	-0.117^ns	0.088	0.008
Occupation	0.063	-	-	0.070	-	-	0.033	0.001
Marital Status	0.004	-	-	0.036	-	-	0.153	0.023

SES = Subjective Socioeconomic Status. η = Partial eta, η² = Partial eta squared, r = Transformation of the standardized U-value in a linear correlation, r_s= Spearman's rank correlation coefficient. Two-tailed p-value: ns (not significant) p > 0.05, *p < 0.05, **p < 0.01, ***p < 0.001.