Table 2.

Prevalence of difficulty chewing in men and women according to socioeconomic and demographic characteristics, access to dental services and self-reported oral health condition. Florianopolis, SC, Southern Brazil, 2009. (N = 1,720)

Variable		Men			Women
		%	95%CI	pa	%	95%CI	pa
Age (years)				< 0.001			0.049
	20 to 29	7.3	3.8;10.9		12.7	8.5;17.0
	30 to 39	15.4	9.9;20.9		18.2	12.6;23.8
	40 to 49	12.4	7.5;17.3		20.1	14.1;26.0
	50 to 59	21.6	14.9;28.3		23.1	15.4;30.8
Self-reported skin color				0.191			0.082
	White	13.5	10.3;16.7		17.2	13.6;20.9
	Parda/Black	10.0	6.1;13.9		23.6	16.8;30.5
Per capita income in terciles (reais)				0.008			0.006
	3rd tercile (highest income)	8.5	4.6;12.4		12.6	17.5;28.2
	2nd tercile	13.2	8.7;17.7		17.8	12.5;23.2
	1st tercile (lowest income)	18.9	13.7;24.1		22.9	8.7;16.6
Schooling (years of study)				< 0.001			0.004
	≥ 12	8.7	5.6;11.9		13.2	9.9;16.5
	9 to 11	12.0	7.6;16.5		20.6	14.9;26.3
	5 to 8	18.0	9.4;26.6		21.1	14.5;27.7
	≤ 4	31.0	19.5;42.5		27.9	17.3;38.6
Most recent dental visit (years)				0.102			0.061
	< 1	12.2	8.8;15.6		19.5	15.4;23.6
	1 to 2	11.4	5.7;17.0		10.2	5.1;15.4
	≥ 3	20.1	13.1;27.0		19.4	8.1;30.7
Type of service				0.011			0.599
	Private	12.4	9.4;15.3		17.0	13.6;20.4
	Public	19.2	12.3;26.0		20.4	12.7;28.1
	Other	2.2	0.0;6.7		18.4	7.1;29.6
Dry mouth				0.512			0.010
	Never/Sometimes	13.3	10.4;16.2		16.6	13.6;19.7
	Often/Always	10.1	2.0;18.2		30.0	17.3;42.8
Wearing full dentures				0.013			0.006
	No	12.4	9.7;15.1		17.1	14.0;20.2
	Yes	26.5	11.8;41.3		29.4	17.7;41.1
Number of natural teeth				< 0.001			< 0.001
	≥ 10 in both dental arches	9.1	6.7;11.5		14.6	11.9;17.3
	< 10 in at least one arch	31.8	21.7;41.8		30.7	21.7;39.7
	None	37.6	15.2;60.1		42.1	22.4;61.8
Toothache				0.002			< 0.001
	No	11.6	8.8;14.3		12.3	9.7;14.8
	Yes	23.3	15.0;31.7		47.0	35.6;58.4

^aRao-Scott test