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Table 2 Pearson’s correlation coefficients between the selected variables

From: Correlates of healthy life expectancy in low- and lower-middle-income countries

  Y X 1 X 2 X 3 X 4 X 5 X 6 X 7 X 8 X 9 X 10 X 11 X 12 X 13 X 14 X 15
Y 1                
X 1 0.58** 1               
X 2 0.65** 0.55** 1              
X 3 0.58** 0.58** 0.75** 1             
X 4 −0.75** −0.57** −0.65** −0.54** 1            
X 5 0.70** 0.71** 0.63** 0.50** −0.73** 1           
X 6 0.50** 0.59** 0.55** 0.49** − 0.59** 0.64** 1          
X 7 −0.43** 0.02 − 0.06 0.04 0.15 −0.28* − 0.11 1         
X 8 0.62** 0.44** 0.51** 0.51** −0.62** 0.56** 0.48** −0.11 1        
X 9 0.76** 0.65** 0.60** 0.53** −0.72** 0.82** 0.65** −0.21 0.65** 1       
X 10 0.16 0.08 0.28* 0.33** −0.02 −0.12 − 0.02 − 0.02 0.22* − 0.16 1      
X 11 0.31** 0.14 0.35** 0.35** −0.26* 0.05 0.11 0.13 0.51** 0.22* 0.42** 1     
X 12 0.44** 0.38** 0.42** 0.56** −0.49** 0.39** 0.28* 0.10 0.3** 0.52** 0.03 0.44** 1    
X 13 0.32** 0.18 0.25* 0.29* −0.22 0.27* 0.03 − 0.13 0.37** 0.31** 0.24* 0.60** 0.46** 1   
X 14 0.50** 0.27* 0.22 0.28* −0.50** 0.31** 0.22 −0.11 0.52** 0.43** −0.02 0.37** 0.45** 0.32** 1  
X 15 0.18 0.13 0.29* 0.29* −0.26* 0.31** 0.32** −0.25* 0.29* 0.21 0.04 0.16 0.15 0.14 0.09 1
  1. Notes: ‘*, p < 0.05, and **, p < 0.01’; ‘Y, Healthy life expectancy’; ‘X 1 , Mean years of schooling’; ‘X 2 , Gross national income per capita’; ‘X 3 , Health expenditure’; ‘X 4 , Total fertility rate’; ‘X 5 , Physician density’; ‘X 6 , Carbon dioxide emission rate’; ‘X 7 , Human immunodeficiency virus prevalence rate’; ‘X 8 , Improved drinking water sources using rate’; ‘X 9 , Improved sanitation using rate’; ‘X 10 , Freedom of the press’; ‘X 11 , Corruption perceptions index’; ‘X 12 , Prison population rate’; ‘X 13 , Economic freedom’; ‘X 14 , Achieving a level of health-related Millennium Development Goals’; ‘X 15 , Urban population (% of total)’