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Table 4 Correlation matrix of items and domains of the WHOQOL-BREF a

From: Development, reliability and validity of the Chichewa WHOQOL-BREF in adults in lilongwe, Malawi

  Physical Psychological Social Environment Cronbach’s alpha
Physical (item no.)      0.823
Physical Pain (3) 0.67 0.17 0.08 0.17  
Dependence on medical treatment (4) 0.68 0.25 0.09 0.23  
Energy (10) 0.60 0.27 0.06 0.18  
Mobility (15) 0.72 0.44 0.30 0.54  
Sleep (16) 0.63 0.56 0.46 0.57  
Activities of daily living (17) 0.75 0.31 0.17 0.32  
Work capacity (18) 0.77 0.31 0.20 0.27  
Psychological (item no.)      0.783
Enjoyment of life (5) 0.30 0.72 0.38 0.52  
Personal belief (6) 0.20 0.74 0.30 0.36  
Concentration (7) 0.28 0.64 0.33 0.44  
Bodily image (11) 0.36 0.71 0.29 0.39  
Self-esteem (19) 0.43 0.73 0.43 0.54  
Negative feeling (26) 0.36 0.63 0.43 0.53  
Social Relationships (item no.)      0.694
Personal relationships (20) 0.23 0.50 0.80 0.50  
Sexual activity (21) 0.42 0.48 0.79 0.37  
Support from friends (22) 0.09 0.30 0.79 0.43  
Environment (item no.)      0.828
Security (8) 0.38 0.50 0.30 0.66  
Physical environment (9) 0.20 0.53 0.32 0.67  
Financial secuity (12) 0.32 0.53 0.35 0.71  
Information availability (13) 0.40 0.51 0.36 0.75  
Leisure activity (14) 0.43 0.49 0.37 0.70  
Living conditions (23) 0.18 0.33 0.47 0.63  
Health care accessibility (24) 0.21 0.28 0.42 0.60  
Transport (25) 0.33 0.42 0.36 0.68  
Enough food (27) 0.29 0.53 0.30 0.61  
  1. aCorrelation of > 0.45 was considered satisfactory.