Correlation coefficient (r) | |
---|---|
Global | 0.243 |
Income levela | |
High Income | 0.617** |
Upper Middle Income | 0.539* |
Lower Middle Income | 0.067 |
Low Income | −0.396 |
Regionb | |
European Region | 0.596* |
Western Pacific Region | 0.557* |
Region of the Americas | 0.506* |
South-East Asia Region | 0.232 |
Eastern Mediterranean Region | 0.161 |
African Region | −0.414 |