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Table 1 Number of items, means scores, rotated principal components associations between the eight SF-36 scales and among women in Accra, 2008

From: Women’s health status in urban Ghana: dimensions and differentials using short form 36

Scale Transformed scores (0 - 100) for the eight SF-36 sub-scales
PF RP BP GH SF VT RE MH
Items 10 4 2 5 2 4 3 5
Mean 85.2 78.3 72.9 71.8 87.7 70.7 82.2 77.4
Standard Deviation (SD) 21.0 37.9 23.9 19.7 20.4 15.3 35.8 14.8
Median 95.0 100.0 74.0 75.0 100.0 70.0 100.0 80.0
Skewness −1.9 −1.4 −0.5 −0.6 −1.9 −0.7 −1.7 −0.8
% floor 0.9 15.8 0.2 0.0 0.6 0.0 14.0 0.0
% ceiling 46.7 71.5 25.7 5.8 58.8 1.9 77.8 5.5
  Inter scale correlation matrix and reliability coefficients (SF-36)
Physical Functioning (PF)         
Role Physical (RP) .51        
Bodily Pain (BP) .46 .46       
General Health (GH) .57 .43 .53      
Social Functioning (SF) .54 .49 .46 .45     
Vitality (VT) .52 .42 .56 .57 .46    
Role Emotional (RE) .25 .40 .28 .27 .45 .33   
Mental Health (MH) .26 .25 .34 .38 .37 .56 .41  
Cronbach alpha (α) .93 .94 .73 .81 .76 .69 .93 .71
Split-half reliability test
 Split A .76
 Split B .79
Observed cases (N) 2809