Health and Quality of Life Outcomes

Table 2 Factor structure and item-component correlations of the SF-12

From: Validity of SF-12 summary scores in a Greek general population

		Factor structure		correlations
Item description	SF-12 domain	Factor 1	Factor 2	PCS-12	MCS-12
Moderate activities	Physical Functioning	0.84	0.17	0.83	0.31
Climb several flights	Physical Functioning	0.82	0.17	0.81	0.32
Accomplished less	Role Physical	0.81	0.29	0.83	0.41
Limited in kind of work	Role Physical	0.80	0.28	0.83	0.39
Pain interferes	Bodily Pain	0.72	0.35	0.80	0.45
Health in general	General Health	0.68	0.29	0.72	0.43
Energy	Vitality	0.56	0.39	0.57	0.53
Social time	Social Functioning	0.47	0.56	0.52	0.68
Accomplished less	Role Emotional	0.30	0.77	0.37	0.75
Note careful	Role Emotional	0.24	0.76	0.32	0.70
Peaceful	Mental Health	0.11	0.62	0.19	0.64
Blue/sad	Mental Health	0.27	0.67	0.33	0.75

Higher loadings of each item on a factor and higher correlations with a SF-12 component are indicated in bold
¹ P < 0.01 for all correlations

Back to article page

ISSN: 1477-7525

Contact us

Submission enquiries: journalsubmissions@springernature.com