The reliability and validity of the SF-8 with a conflict-affected population in northern Uganda

Table 3 Item-summary score and inter-instrument correlations (N = 1206)

		SF-8 item-summary score validity		Inter-instrument validity
SF-8 Items		PCS	MCS	PTSD †	Depression ±
1	General health	0.70	0.33	-0.24	-0.32
2	Physical functioning	0.82	0.19	-0.28	-0.32
3	Role – physical	0.89	0.26	-0.31	-0.35
4	Bodily pain	0.80	0.38	-0.34	-0.35
5	Vitality	0.55	0.37	-0.18	-0.24
6	Social functioning	0.41	0.63	-0.36	-0.38
7	Role – emotional	0.34	0.81	-0.41	-0.43
8	Mental health	0.19	0.94	-0.40	-0.43
	PCS summary score	-	-	-0.28	-0.32
	MCS summary score	-	-	-0.40	-0.43

Abbreviations: MCS, mental component summary; PCS, physical component summary; PTSD, post-traumatic stress disorder; SD, Standard deviation.
† PTSD=Harvard Trauma Questionnaire mean score ≥2.00.
± Depression = Hopkins Symptoms Check List-25 mean scores ≥1.75.

ISSN: 1477-7525