Skip to main content

Table 4 Reliability of Igbo-HADS [obtained from participants from rural and urban Nigerian communities involved in the test-retest reliability testing on 11 August 2014]

From: Detecting anxiety and depression among people with limited literacy living with chronic low back pain in Nigeria: adaptation and validation of the hospital anxiety and depression scale

Igbo-HADS anxiety subscale
Number of items: 7; Cronbach’s alpha global score: 0.78; ICC (95% CI): 0.76 (0.58, 0.86)
Cronbach’s alpha If Item Deleted
A1 A3 A5 A7 A9 A11 A13  
0.78 0.75 0.75 0.79 0.72 0.75 0.72  
SEM: 2.25 MDC: 6.23
Igbo-HADS depression subscale
Number of items: 7; Cronbach’s alpha global score: 0.67; ICC (95% CI): 0.75 (0.55, 0.86)
Cronbach’s alpha If Item Deleted
D2 D4 D6 D8 D10 D12 D14  
0.62 0.63 0.60 0.68 0.64 0.59 0.68  
SEM: 1.82 MDC: 5.06
  1. ICC Intraclass correlation coefficient, SEM Standard error of measurement, MDC Minimal detectable change