Table 2.
Multivariable linear regression model for glaucoma/OHT prescription rate per 100 000 population aged ≥40 years in 2008/2009
| Variable | Β (95% CI) | β | p Value | R2 change | Tolerance | VIF |
|---|---|---|---|---|---|---|
| Proportion of population aged ≥60 years per 100 000 aged ≥40 years | 0.931 (0.609 to 1.254) | 0.776 | <0.001 | 0.143 | 0.275 | 3.639 |
| Income deprivation | 0.047 (0.010 to 0.084) | 0.186 | 0.013 | 0.059 | 0.929 | 1.076 |
| WAD ethnicity per 100 000 | 0.297 (0.088 to 0.507) | 0.349 | 0.006 | 0.028 | 0.329 | 3.037 |
| Males per 100 000 | 1.691 (0.233 to 3.148) | 0.197 | 0.023 | 0.027 | 0.690 | 1.449 |
R2=0.257, adjusted R2=0.236.
OHT, ocular hypertension; VIF, variance inflation factor; WAD, West African Diaspora.