Table 3.

Physical function and daily life discomfort.

Characteristics		Driving						X2 3/H 4	p-Value
		Current Drivers		Past But Not Current Drivers		No Driver’s License
		N 1	% 2	N/M	%	N/M	%
Assisted with eyesight	Yes	1142	52.7	890	57.3	3247	51.8	15.459	<0.001
	No	1026	47.3	662	42.7	3023	48.2
Assisted with hearing	Yes	167	7.7	199	12.8	747	11.9	34.099	<0.001
	No	2001	92.3	1353	87.2	5523	88.1
Assisted with chewing	Yes	530	24.4	558	36.0	2546	40.6	181.906	<0.001
	No	1638	75.6	994	64.0	3724	59.4
Discomfort of eyesight	Not uncomfortable	1602	74.1	1015	66.6	3981	64.8	68.161	<0.001
	Uncomfortable	524	24.2	465	30.5	2039	33.2
	Very uncomfortable	36	1.7	43	2.8	126	2.1
Discomfort of hearing	Not uncomfortable	1835	84.9	1140	74.9	4612	75.0	97.336	<0.001
	Uncomfortable	308	14.2	343	22.5	1400	22.8
	Very uncomfortable	19	0.9	40	2.6	134	2.2
Discomfort of chewing	Not uncomfortable	1611	74.5	934	61.3	3608	58.7	173.696	<0.001
	Uncomfortable	501	23.2	522	34.3	2252	36.6
	Very uncomfortable	50	2.3	67	4.4	286	4.7
Muscle strength when sitting in a chair or bed and then getting up 5 times	Performed	2008	92.6	1126	72.6	4174	66.6	586.185	<0.001
	Tried but failed to perform (5 times not successful)	82	3.8	302	19.5	1594	25.4
	Inability to even attempt to perform (elderly people with a vortex, or other disabilities that make it impossible to stand up)	10	0.5	43	2.8	174	2.8
	Want to do it now	68	3.1	81	5.2	328	5.2
Difficulty in performing movements such as jumping one lap (400 m) on the playground	Not difficult at all	576	26.6	189	12.2	454	7.2	1193.227	<0.001
	Slightly difficult	882	40.7	437	28.2	1371	21.9
	Very difficult	508	23.4	580	37.4	2414	38.5
	Cannot do it at all	163	7.5	304	19.6	1920	30.6
	Do now	39	1.8	42	2.7	111	1.8
Difficulty performing movements such as walking one lap (400 m) on the playground	Not difficult at all	1606	74.1	807	52.0	2493	39.8	826.431	<0.001
	Slightly difficult	414	19.1	477	30.7	2107	33.6
	Very difficult	124	5.7	187	12.0	1157	18.5
	Cannot do it at all	16	0.7	72	4.6	469	7.5
	Do now	8	0.4	9	0.6	44	0.7
Difficulty in climbing 10 steps without a break	Not difficult at all	1465	67.6	639	41.2	2030	32.4	907.291	<0.001
	Slightly difficult	550	25.4	567	36.5	2391	38.1
	Very difficult	129	6.0	271	17.5	1415	22.6
	Cannot do it at all	20	0.9	70	4.5	394	6.3
	Do now	4	0.2	5	0.3	40	0.6
Difficulty performing movements such as bending, squatting, or kneeling	Not difficult at all	1535	70.8	722	46.5	2449	39.1	682.021	<0.001
	Slightly difficult	482	22.2	551	35.5	2410	38.4
	Very difficult	126	5.8	219	14.1	1096	17.5
	Cannot do it at all	22	1.0	58	3.7	293	4.7
	Do now	3	0.1	2	0.1	22	0.4
Difficulty performing movements such as reaching out for something above the head	Not difficult at all	1729	79.8	895	57.7	3139	50.1	590.074	<0.001
	Slightly difficult	330	15.2	474	30.5	2162	34.5
	Very difficult	93	4.3	142	9.1	749	11.9
	Cannot do it at all	13	0.6	38	2.4	197	3.1
	Do now	3	0.1	3	0.2	23	0.4
Difficulty in performing operations such as lifting or moving about 8 kg of rice	Not difficult at all	1478	68.2	694	44.7	2097	33.4	855.233	<0.001
	Slightly difficult	496	22.9	519	33.4	2316	36.9
	Very difficult	166	7.7	254	16.4	1304	20.8
	Cannot do it at all	25	1.2	79	5.1	521	8.3
	Do now	3	0.1	6	0.4	32	0.5

¹ N: frequency, ² %: percentage, ³ X²: Chi-square test, ⁴ H: Kruskal-Wallis test, p-value < 0.05.