Table 3. Multivariable Analysis of Association Between Participant Characteristics and Prevalence of Moderate to Severe Vision Impairment (MSVI), Blindness, and Combined MSVI and Blindness.
| Characteristic | MSVI | Blindness | Combined MSVI and blindness | |||
|---|---|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |
| Age, y | 1.19 (1.11-1.28) | <.001 | 1.17 (1.04-1.31) | .01 | 1.20 (1.11-1.29) | <.001 |
| Mean blood pressure, mm Hg | 1.01 (1.00-1.02) | .03 | NA | NA | 1.02 (1.00-1.03) | .01 |
| Mini Mental Test score | 0.95 (0.92-0.98) | <.001 | 0.92 (0.87-0.97) | .001 | 0.93 (0.90-0.96) | <.001 |
| Previous cataract surgery | 0.48 (0.33-0.68) | <.001 | NA | NA | 0.49 (0.34-0.71) | <.001 |
| Refractive error (spherical equivalent), diopter | 0.91 (0.85-0.97) | .006 | NA | NA | NA | NA |
| Cylindrical refractive error, negative dioptera | 0.63 (0.54-0.73) | <.001 | NA | NA | 0.63 (0.54-0.73) | <.001 |
| Dynamometric hand grip, daN | 0.88 (0.83-0.95) | <.001 | NA | NA | NA | NA |
| Prothrombin index, % | 0.93 (0.89-0.97) | <.001 | NA | NA | NA | NA |
Abbreviations: NA, not applicable (not included in the final model of this multivariable analysis); OR, odds ratio.
a
Cylindrical refractive error was used in lieu of spherical equivalent.