Table 4.
Effect of age, sex and literacy on visual impairment after best correction
| Variable | Normal (%) | Visual impairment φ (%) |
Univariate | Multivariable | ||
|---|---|---|---|---|---|---|
| OR(95% CI) | P value | OR(95% CI) | P value | |||
| Age(years) | ||||||
| 40 - 49 | 1471(38.67) | 10(5.71) | 1.00 | - | 1.00 | - |
| 50 - 59 | 1075(28.26) | 14(8.00) | 1.91(0.85 - 4.33) | 0.118 | 1.93(0.85 - 4.36) | 0.114 |
| 60 - 69 | 792(20.82) | 43(24.57) | 7.99(3.99 - 15.98) | < 0.001 | 8.08 (4.04 - 16.18) | < 0.001 |
| 70 - 79 | 400(10.52) | 77(44.00) | 28.32(14.52 - 55.23) | < 0.001 | 28.56(14.64 - 55.73) | < 0.001 |
| ≥ 80 | 66(1.74) | 31(17.71) | 69.09(32.50 - 146.89) | < 0.001 | 69.32(32.59-147.45) | < 0.001 |
| Sex | ||||||
| Male | 1737(45.66) | 74(42.29) | 1.00 | - | 1.00 | |
| Female | 2067(54.34) | 101(57.71) | 1.15(0.84 - 1.56) | 0.381 | 1.20(0.87 - 1.66) | 0.260 |
| Education | ||||||
| Literate | 1781(46.82) | 79(45.14) | 1.00 | - | 1.00 | - |
| Illiterate | 2023(53.18) | 96(54.86) | 1.07(0.79 - 1.45) | 0.664 | 1.07(0.77 - 1.47) | 0.683 |
φ Low vision + blind