58
|
Find hard to meet the needs of those I care for
|
0.808
|
0.040
|
− 0.302
|
11.066
|
0.271
|
62
|
Feel work performance limited (0 = not at all or not applicable)
|
0.046
|
0.035
|
0.455
|
5.823
|
0.757
|
63
|
Struggle to maintain safe and stable housing - DIF(country)a
|
0.570
|
0.060
|
− 0.297
|
22.579
|
0.007
|
65
|
Find it hard to ask others for help when go through an episode of illness - DIF(country)
|
− 0.310
|
0.034
|
− 0.442
|
7.370
|
0.599
|
67
|
Find it hard to start new intimate, sexual relationships living with HIV (0 = not at all or not applicable)a
|
− 0.609
|
0.058
|
2.426
|
8.228
|
0.511
|
68
|
Tend to isolate myself from others because I am HIV positive
|
− 0.172
|
0.034
|
− 3.142
|
24.214
|
0.003*
|
69
|
Find it hard to take part in leisure or recreational things because can’t afford it - DIF(country)
|
− 0.333
|
0.033
|
0.134
|
6.398
|
0.700
|
Final model: social domain—7 items (raw score range: 0–24)
|
Mean
|
− 0.724
|
Standard deviation
|
1.002
|
Sample size
|
943
|
Chi-square statistic (df) p value
|
86.6772 df: 54; p = 0.025679
|
Cronbach’s alpha
|
0.79355
|
Person Separation Index
|
0.74478
|
Unidimensionality t-test (% significant)
|
1.27%
|
Differential Item Functioniong (DIF)
|
Significant DIF for country (defined as F value significant and > 1.0 logit difference between groups)—3 items (HDQ63; HDQ65; HDQ69)b
|