Periodontal Disease in the Brazilian Population: A Retrospective Analysis on the 2013 National Health Survey to Identifying Risk Profiles

Table 2

Variables used in ordinal regression.

Variable	Description	Categorization
Dependent variable
Periodontal risk	Construct (risk for periodontal disease)	1. Low risk; 2. Medium risk; 3. High risk
Sociodemographic characteristics
C006	Sex	0. Female
		1. Male
C008	Age (years)	1. 18 to 24
		2. 25 to 39
		3. 40 to 59
		4. More than 60
C009	Ethnicity	1. White
		2. Brown
		3. Others
		4. Black
VDD004	Educational level	1. Middle school degree or incomplete high school degree
		2. High school degree or incomplete higher education degree
		3. Higher education degree
		4. Up to incomplete middle school degree
V001	Country regions	1. North
		2. Southeast
		3. South
		4. Midwest
		5. Northeast