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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

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

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