Translation, cultural adaptation and validation of the English “Short form SF 12v2” into Bengali in rheumatoid arthritis patients

Table 3 Reliability of Bengali SF 12v2 (n = 119)

SF 12v2 summery	Domain	Test retest reliability			Cronbach’s alpha
SF 12v2 summery	Domain	Spearman’s correlation	ICC	95% CI	Cronbach’s alpha
PCS	General health	1	0.992	(.989, .994)
	Physical functioning	0.999	0.996	(.994, .997)
	Role-physical				0.906
	Bodily pain	0.993	0.991	(.988, .994)
	Role-emotional	0.995	0.994	(.991, .996)
MCS	Mental health
	Vitality	0.995	0.995	(.993, .997)
	Social functioning	0.997	0.998	(.998, .999)	0.908
		0.997	0.997	(.996, .998)
		0.992	0.994	(.992, .996)

Note: PCS physical component summery, MCS mental component summary, ICC intraclass correlation coefficient

ISSN: 1477-7525