Table 4 Factor structured of the SF-12 scale
Factor 1 | Factor 2 | |
|---|---|---|
Role emotional (RE) | ||
Accomplished less due to emotional problems (RE) | 0.920 | |
Not careful in work or activities due to emotional problems (RE) | 0.837 | |
Mental health (MH) | ||
Feel calm and peaceful (MH1) | -0.729 | |
Feel downhearted and blue (MH2) | 0.606 | |
Vitality (VT) | ||
Having a lot of energy (VT1) | -0.693 | |
Social functioning (SF) | ||
Interference of physical health or emotional problems with social activities (SF1) | 0.517 | |
Physical functioning (PF) | ||
Limitations in moderate physical activities (PF1) | 0.915 | |
Limitations in climbing several flights of stairs (PF2) | 0.823 | |
Role physical (RP) | ||
Accomplished less due to physical health (RP1) | 0.473 | |
Limited in kind of work or activities due to physical health (RP2) | 0.452 | |
Bodily pain (BP) | ||
Pain interference with work inside or outside home (BP) | -0.678 | |
General health (GH) | ||
Health rating in general (GH1) | -0.690 | |
Variance explained (%) | 42.92 | 12.83 |
Cronbach’s alpha | 0.707 | 0.743 |