Table 3.

Means and standard deviation (SD) of items and corrected item-total correlation.

DHI		Abbreviation	Mean	SD	CI-TC
					Total	Physical	Emotional	Functional
1	P	Look up	1.14	1.4	0.57	0.63
2	E	Feel frustrated	1.83	1.6	0.73		0.64
3	F	Restrict travel	1.74	1.7	0.71			0.74
4	P	Walk down supermarket aisle	0.72	1.3	0.65	0.62
5	F	Get into or out of bed	1.03	1.5	0.65			0.65
6	F	Restrict participation in social activities	1.32	1.7	0.74			0.80
7	F	Hard to read	1.46	1.6	0.63			0.66
8	P	Perform more ambitious activities	1.61	1.6	0.64	0.68
9	E	Afraid to leave home alone	1.04	1.6	0.70		0.71
10	E	Embarrassed in front of other	0.55	1.2	0.51		0.49
11	P	Quick head movements	2.43	1.7	0.62	0.67
12	F	Avoid heights	1.34	1.7	0.62			0.59
13	P	Turning over in bed	0.92	1.5	0.56	0.58
14	F	Strenuous homework or yard work	1.38	1.7	0.71			0.75
15	E	Afraid people think you are intoxicated	0.58	1.3	0.42		0.52
16	F	Go for a walk by yourself	0.69	1.3	0.60			0.61
17	P	Walk down a sidewalk	0.74	1.3	0.61	0.64
18	E	Hard to concentrate	1.75	1.6	0.62		0.57
19	F	Walk around house in the dark	0.72	1.4	0.62			0.60
20	E	Afraid to stay home alone	0.55	1.3	0.51		0.65
21	E	Feel handicapped	0.38	1.0	0.48		0.58
22	E	Stressed relationship	0.53	1.2	0.53		0.68
23	E	Depression	1.35	1.6	0.64		0.68
24	F	Household responsibility	1.45	1.7	0.70			0.70
25	P	Bend over	1.75	1.6	0.65	0.73

P: physical; E: emotional; F: functional.