1. I have an extremely large amount of work to do.						2. I can’t complete my work in the required time.						3. I have to work as hard as I can.						4. I have to pay very careful attention.
		n	Yes			No		Test	Yes			No		Test	Yes			No		Test	Yes			No		Test
			713			237			478			472			770			180			804			146
Mean age
			46.7	±8.3		49.4	±9.1	p<0.001	45.6	±8.2		49.1	±8.6	p<0.001	46.7	±8.4		50.1	±8.9	p<0.001	47.1	±8.4		48.5	±9.6	n.s.
Mean number of present teeth
			27.2	±6.7		26.7	±6.1	n.s.	27.2	±7.0		27.0	±6.0	n.s.	27.3	±6.6		26.5	±6.4	n.s.	27.2	±6.6		26.8	±6.3	n.s.
			%	n		%	n		%	n		%	n		%	n		%	n		%	n		%	n
Experience of tooth loss
			42.5	303		54.0	128	p=0.002	38.7	185		52.1	246	p<0.001	44.4	342		49.4	89	n.s.	45.4	365		45.2	66	n.s.
Presence of decayed teeth (one or more)
			20.5	146		19.0	45	n.s.	23.4	112		16.7	79	p=0.010	20.4	157		18.9	34	n.s.	20.1	162		19.9	29	n.s.
Oral problems
	Frequent stomatitis
			12.1	86		9.3	22	n.s.	13.8	66		8.9	42	p=0.017	11.7	90		10.0	18	n.s.	11.4	92		11.0	16	n.s.
	Frequent tooth or gingival pain
			8.4	60		8.0	19	n.s.	9.2	44		7.4	35	n.s.	8.8	68		6.1	11	n.s.	8.7	70		6.2	9	n.s.
	Pain when consuming something cold
			14.0	100		12.7	30	n.s.	14.9	71		12.5	59	n.s.	14.7	113		9.4	17	n.s.	13.9	112		12.3	18	n.s.
	Gingival bleeding
			13.2	94		12.2	29	n.s.	15.1	72		10.8	51	n.s.	13.6	105		10.0	18	n.s.	12.7	102		14.4	21	n.s.
	Gingival swelling
			8.7	62		8.0	19	n.s.	9.2	44		7.8	37	n.s.	8.7	67		7.8	14	n.s.	8.2	66		10.3	15	n.s.
	Gingival recession
			11.9	85		9.7	23	n.s.	13.0	62		9.7	46	n.s.	11.8	91		9.4	17	n.s.	11.8	95		8.9	13	n.s.
	Often get food stuck between teeth
			20.5	146		19.4	46	n.s.	22.4	107		18.0	85	n.s.	21.2	163		16.1	29	n.s.	20.9	168		16.4	24	n.s.
	Loose teeth
			3.2	23		3.4	8	n.s.	4.0	19		2.5	12	n.s.	3.5	27		2.2	4	n.s.	3.4	27		2.7	4	n.s.
	Cannot eat some foods
			1.1	8		1.3	3	n.s.	1.9	9		0.4	2	n.s.	1.2	9		1.1	2	n.s.	1.2	10		0.7	1	n.s.
	Dry mouth
			7.2	51		8.4	20	n.s.	8.4	40		6.6	31	n.s.	8.1	62		5.0	9	n.s.	7.5	60		7.5	11	n.s.
	Inside of mouth feels slimy
			18.0	128		11.0	26	p=0.012	18.8	90		13.6	64	p=0.028	17.7	136		10.0	18	p=0.012	16.8	135		13.0	19	n.s.
	Bad breath
			20.9	149		20.3	48	n.s.	24.7	118		16.7	79	p=0.003	22.2	171		14.4	26	p=0.021	21.0	169		19.2	28	n.s.
	Jaw makes clicking sound
			6.5	46		3.8	9	n.s.	6.9	33		4.7	22	n.s.	6.8	52		1.7	3	p=0.007	6.2	50		3.4	5	n.s.
	Jaw pain
			1.4	10		0	0	n.s.	1.5	7		0.6	3	n.s.	1.2	9		0.6	1	n.s.	1.2	10		0	0	n.s.
	Difficulty opening mouth
			2.0	14		1.3	3	n.s.	2.1	10		1.5	7	n.s.	2.2	17		0	0	n.s.	2.1	17		0	0	n.s.
	Teeth are worn down
			5.6	40		6.8	16	n.s.	5.2	25		6.6	31	n.s.	5.2	40		8.9	16	n.s.	6.0	48		5.5	8	n.s.