Multivariate analysis: effect of age, sex, occupation, and literacy
| Number of subjects | Number of blind subjects | Adjusted odds | 95% CI | |
|---|---|---|---|---|
| Age (years) | ||||
| 40–49 | 1585 | 14 | 1.00 | |
| 50–59 | 985 | 17 | 1.98 | 0.97 to 4.04 |
| 60–69 | 892 | 47 | 6.26 | 3.43 to 11.44 |
| 70–79 | 404 | 43 | 13.63 | 7.37 to 25.21 |
| >80 | 58 | 11 | 28.24 | 12.1 to 65.94 |
| Sex | ||||
| Male | 1761 | 58 | 1.00 | |
| Female | 2163 | 74 | 0.82 | 0.57 to 1.17 |
| Occupation | ||||
| Manual | 2947 | 111 | 1.00 | |
| Non-manual | 977 | 21 | 1.58 | 0.94 to 2.64 |
| Literacy | ||||
| Literate | 2245 | 48 | 1.00 | |
| Illiterate | 1679 | 84 | 1.08 | 0.73 to 1.58 |