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Table 2 2-factor principal component analysis for the SF12 items and SF12 US weights

From: Validation of the SF12 mental and physical health measure for the population from a low-income country in sub-Saharan Africa

SF12 components

Component 1 Malawi weights 1st health dimension

US Physical health weight

Component 2 Malawi weights 2nd health dimension

US Mental health weight

Physical Functioning

0.3578

0.42402

−0.2863

−0.22999

Role Physical

0.3717

0.35119

−0.1832

−0.12329

Body Pain

0.4003

0.31754

−0.1601

− 0.09731

General Health

0.2689

0.24954

−0.3022

−0.01571

Vitality

0.3813

0.02877

−0.0982

0.23534

Social Functioning

0.3822

−0.00753

0.0708

0.26876

Role Emotional

0.2614

−0.19206

0.8134

0.43407

Mental Health

0.3761

−0.22069

0.3022

0.48581

Eigenvalue

4.7543

 

0.8293

 

Proportion

0.5943

 

0.1037

 

Observations

2838

 

2838