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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.