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Table 2 Reliability of Igbo-MSPSS

From: Adaptation and validation of the Nigerian Igbo Multidimensional Scale of Perceived Social Support in patients with chronic low back pain

  Cronbach’s alpha McDonald’s ω
All items: 12 (total score) = 0.88 All items: 12 (total score) = 0.87
Factor structures
 Three-factor structure Factor 1 (friends) = 0.84 Factor 1 (friends) = 0.84
Factor 2 (significant other) = 0.87 Factor 2 (significant other) = 0.87
Factor 3 (family) = 0.89 Factor 3 (family) = 0.89
 Two-factor structure Factor 1 (family and significant other) = 0.91 Factor 1 (family and significant other) = 0.91
Factor 2 (friends) = 0.84 Factor 2 (friends) = 0.84
Item Cronbach’s alpha when item is removed  
 1 0.87  
2 0.87  
3 0.87  
4 0.87  
5 0.86  
6 0.87  
7 0.88  
8 0.88  
9 0.87  
10 0.86  
11 0.86  
12 0.88  
ICC (95% CI): 0.82 (0.68, 0.90)
SEM: 5.90
MDC: 16.34