Developing a short-form version of the HIV Disability Questionnaire (SF-HDQ) for use in clinical practice: a Rasch analysis

Table 12 Conversation table - Day-to-Day Activities domain (5 items)—raw summed scores to predicted Rasch person scores for SF-HDQ day-to-day activities domain

Day domain (5 items)
Raw summed score—total Range: 0–20	Model predicted person score (location)	Model predicted person score (0–100 scale)
0	− 3.973	0
1	− 3.103	8
2	− 2.484	15
3	− 2.043	21
4	− 1.690	26
5	− 1.388	30
6	− 1.117	33
7	− 0.867	36
8	− 0.627	38
9	− 0.394	40
10	− 0.160	42
11	0.079	45
12	0.327	47
13	0.591	50
14	0.879	54
15	1.205	59
16	1.596	64
17	2.102	71
18	2.810	79
19	3.769	89
20	5.066	100

ISSN: 1477-7525