Table 2 Standardized Pearson’s correlations among indicators in sub-Saharan Africa^a

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