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Table 2 Reliability of Igbo-CSQ

From: Only two subscales of the Coping Strategies Questionnaire are culturally relevant for people with chronic low back pain in Nigerian Igbo populations: a cross-cultural adaptation and validation study

Igbo-CSQ (diverting attention)
Number of items: 6; Cronbach’s alpha global score: 0.73; ICC (95% CI): 0.89 (0.79, 0.94)
Cronbach’s alpha if item deleted
3 9 12 26 27 38   
0.64 0.67 0.71 0.68 0.70 0.71   
SEM: 2.43 MDC: 6.73
Igbo-CSQ (reinterpreting pain sensation)
Number of items: 6; Cronbach’s alpha global score: 0.81; ICC (95% CI): 0.93 (0.88, 0.96)
Cronbach’s alpha If Item Deleted
1 4 10 16 29 41   
0.80 0.81 0.76 0.79 0.74 0.76   
SEM: 3.58 MDC: 9.92
Igbo-CSQ (catastrophising)
Number of items: 6; Cronbach’s alpha global score: 0.85; ICC (95% CI): 0.77 (0.60, 0.87)
Cronbach’s alpha If Item Deleted
5 11 13 25 33 37   
0.81 0.83 0.82 0.85 0.80 0.82   
SEM: 2.51 MDC: 6.96
Igbo-CSQ (ignoring pain sensations)
Number of items: 6; Cronbach’s alpha global score: 0.66; ICC (95% CI): 0.80 (0.64, 0.89)
Cronbach’s alpha if item deleted
17 19 21 24 30 35   
0.69 0.61 0.60 0.54 0.66 0.55   
SEM: 2.96 MDC: 8.20
Igbo-CSQ (praying or hoping)
Number of items: 6; Cronbach’s alpha global score: 0.86; ICC (95% CI): 0.90 (0.82, 0.94)
Cronbach’s alpha if item deleted
14 15 18 22 28 36   
0.83 0.82 0.86 0.84 0.83 0.86   
SEM: 2.09 MDC: 5.79
Igbo-CSQ (coping self-statements)
Number of items: 6; Cronbach’s alpha global score: 0.79; ICC (95% CI): 0.91 (0.84, 0.95)
Cronbach’s alpha If Item Deleted
6 8 20 23 31 32   
0.76 0.72 0.79 0.76 0.78 0.74   
SEM: 2.18 MDC: 6.04
Igbo-CSQ (increased behavioural activities)
Number of items: 6; Cronbach’s alpha global score: 0.77; ICC (95% CI): 0.91 (0.84, 0.95)
Cronbach’s alpha If Item Deleted
2 7 34 39 40 42   
0.76 0.78 0.75 0.67 0.70 0.71   
SEM: 2.52 MDC: 6.98