Table 2 Standardized Pearson’s correlations among indicators in sub-Saharan Africaa
| CSR |
GDP/P (US dollars) | Cataract surgeons per million | Doctors per 1000 | Ageing Proportion | Male Proportion |
Income per capita (US dollars) | |
|---|---|---|---|---|---|---|---|
| CSR | 1 | ||||||
| GDP/P | 0.23(−0.25,0.78) | 1 | |||||
| Cataract surgeons per million | 0.74*(0.09, 0.91) | 0.29(− 0.12, 0.75) | 1 | ||||
| General Doctors per 1000 | − 0.08(− 0.41, 0.52) | 0.74*(0.30, 0.95) | 0.19(− 0.21, 0.77) | 1 | |||
| Ageing Proportion | −0.05(− 0.51, 0.77) | 0.41(− 0.23, 0.71) | − 0.20(− 0.63, 0.40) | 0.05(− 0.44, 0.53) | 1 | ||
| Male Proportion | 0.02(− 0.39, 0.43) | 0.24(− 0.05, 0.67) | 0.03(− 0.50, 0.48) | 0.52*(0.22, 0.83) | 0.04(− 0.39, 0.37) | 1 | |
| Income per capita | 0.24(− 0.25, 0.78) | 1.00*(0.95, 1.00) | 0.31(− 0.10, 0.76) | 0.72*(0.28, 0.94) | 0.41(− 0.26, 0.71) | 0.21(− 0.16, 0.64) | 1 |