Skip to main content

Table 4 Mental-Emotional Domain (5 items) - Overview of final SF-HDQ item level and domain model fit statistics

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

Item # Final SF-HDQ items Item level statistics
Mental-emotional domain Location SE Residual ChiSq χ 2 p value
24 Feel anxious 0.128 0.044 0.385 11.297 0.256
25 Feel sad, down, or depressed 0.092 0.044 − 1.798 20.480 0.015
26 Afraid for my future − 0.232 0.041 0.088 5.906 0.749
27 Lack confidence around others 0.216 0.042 0.610 9.372 0.404
32 Feel lonely − 0.203 0.04 1.256 6.858 0.652
Final model: mental-emotional domain—5 items (raw score range: 0–20)
 Mean -0.694
 Standard deviation 1.335
 Sample size 903
 Chi-square statistic (df) p value 53.9124 (df: 45) p = 0.170297a
 Cronbach’s alpha 0.84935
 Person Separation Index 0.79154
 Unidimensionality t-test (% significant) 1.14%
 Differential Item Functioning (DIF) None
  1. aChi-square statistic not significant (ideal outcome)