Vision	182	Not able to read newspaper	26	14.3
Walking condition	190	Able to walk by using auxiliary tools	117	61.6
Frequency of going out	188	Didn’t go out > 1 week	9	4.8
Frequency of going out	188	Didn’t go out > 1 week	9	4.8
Thoughts on going out	187	Feeling burden	82	43.9
Thoughts on going out		Worried about physical condition	56	29.9
		Troublesome and dislike	16	8.6
		Transportation inconvenient	13	7.0
		No purpose	5	2.7
		Economic burden	2	1.1
Physical pain	190	Present	138	72.6
Site of pain	138	Knee joint	67	48.6
		Low back pain	59	42.8