Development of the Hausa version of the Pain Catastrophizing Scale: translation, cross-cultural adaptation and psychometric evaluation in mixed urban and rural patients with chronic low back pain

Table 7 Internal consistency and test–retest reliability of the Hausa Pain Catastrophizing Scale

	Internal consistency (n = 200)	Test–retest reliability (n = 100)					SEM	MDC
	Cronbach’s α	Mean (SD) test	Mean (SD) retest	t1–t2	p value for test–retest	ICC (95% CI)	SEM	MDC
Total (0–52)	0.84	29.8 (8.46)	28.5 (8.19)	1.25	0.012*	0.90 (0.85–0.93)	3.47	9.62
Rumination (0–16)	0.69	10.0 (3.40)	9.40 (3.11)	0.67	0.028*	0.68 (0.52–0.78)	2.24	6.20
Magnification (0–12)	0.41	6.87 (2.56)	7.05 (3.54)	− 0.18	0.630	0.43 (0.16–0.62)	2.63	7.29
Helplessness (0–24)	0.78	12.9 (4.48)	12.1 (4.17)	0.76	0.005*	0.89 (0.83–0.93)	1.88	5.21

SD standard deviation, t1–t2 mean values at test subtracted from retest, ICC intraclass correlation coefficient, CI confidence interval, SEM standard error of measurement, MDC minimal detectable change
*P < 0.05

ISSN: 1477-7525