Table 1.

Sample characteristics (N = 4,049, weighted).

	Total sample	Residents with dental visits (N = 2,817)		Residents with no dental visits (N = 1,232)
	N = 4,049	Urban (N = 2,037)	Rural (N = 780)	Urban (N = 637)	Rural (N = 595)
	%/Mean (SD)	%/Mean (SD)	%/Mean (SD)	%/Mean (SD)	%/Mean (SD)
PREDISPOSING VARIABLES
Gender
Male	46.6	44.1	46.0	51.8	50.3
Age
18–25	6.3	5.2	8.6	4.4	9.1
26–30	10.7	9.6	14.3	8.3	12.3
31–35	11.8	10.9	12.9	12.4	12.9
36–40	10.8	11.3	11.0	10.6	8.8
41–45	10.3	10.3	10.1	9.0	12.4
46–50	12.0	11.9	12.0	10.7	13.8
51–55	9.7	8.3	10.9	10.6	11.8
56–60	10.8	11.9	7.1	12.5	9.7
61–65	17.6	20.6	13.1	21.5	9.2
Marital status
Married/living with partner	80.1	79.6	79.7	79.4	83.3
Education
Illiterate/elementary school	8.7	3.7	14.3	6.4	20.6
Middle/high/vocational school	50.6	43.9	56.1	54.6	62.1
3 years college or more	40.7	52.4	29.6	39.0	17.3
ENABLING VARIABLES
Father's occupational status (ISEI)
High (≥54)	31.1	40.3	16.8	36.3	13.1
Individual's occupational status (ISEI)
High (≥54)	33.3	44.2	24.2	28.4	13.4
Income
High (≥78,000)	32.2	37.9	31.6	29.7	16.1
Insurance
No health insurance	8.5	5.6	10.2	10.4	14.0
New Cooperative Medical Scheme	11.1	1.2	25.4	2.2	35.4
Urban Resident Basic Medical Insurance	22.0	23.9	18.9	24.6	16.8
Urban Employee Basic Medical Insurance	51.7	60.6	40.7	56.2	30.8
Other medical insurance	6.7	8.7	4.8	6.6	3.0
Regular physical exam
Yes	60.7	72.5	54.5	55.0	34.4
Care about eating a healthy diet
Yes	56.9	64.5	54.9	50.9	40.0
NEED VARIABLES
Self-rated health
SRHMS (range:0–90)	61.5 (12.7)	61.0 (12.4)	61.2 (12.4)	61.8 (13.2)	63.1 (13.2)
Tooth loss
Number of missing teeth (range:0-28)	1.5 (3.3)	1.7 (3.4)	1.5 (2.8)	1.3 (3.4)	1.0 (3.0)
Gum bleeding
Yes (occasionally/frequently/always)	50.9	56.1	59.1	37.4	36.6

SD, standard deviation; ISEI, international socio-economic index of occupational status; SRHMS, self-rated health measurement scale.