Relation of age, sex, and literacy to cataract blindness and surgery for people from urban and rural areas*
| Never operated cataract blindness | All cataract operated | Surgical coverage | |||||
|---|---|---|---|---|---|---|---|
| Urban residence | Rural residence | Urban residence | Rural residence | Cataract blindness burden§ | Urban residence | Rural residence | |
| *Data are given as adjusted odds ratios (95% confidence intervals), obtained by multiple logistic regression models with age category, sex, literacy, and residence as covariates; †p≤0.010; ‡p≤0.050; §the adjusted odds ratio for rural/urban in this model was 0.9 (95% CI: 0.6 to 1.3). | |||||||
| Age (years) | |||||||
| 50–59 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| 60–69 | 4.2 (2.0 to 8.5)† | 2.2 (1.5 to 3.1)† | 3.0 (2.2 to 4.2)† | 3.6 (2.8 to 4.7)† | 3.2 (2.6 to 3.8)† | 0.6 (0.2 to 1.4) | 1.7 (1.0 to 2.6)‡ |
| ≥70 | 6.5 (2.7 to 15.5)† | 5.5 (4.0 to 7.6)† | 7.6 (3.7 to 15.5)† | 7.0 (5.4 to 9.1)† | 8.5 (6.9 to 10.4)† | 0.9 (0.4 to 2.2) | 1.3 (0.9 to 2.1) |
| Sex | |||||||
| Male | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Female | 1.0 (0.8 to 1.3) | 2.3 (1.8 to 3.1)† | 1.1 (0.8 to 1.7) | 1.1 (0.8 to 1.5) | 1.5 (1.3 to 1.8)† | 1.1 (0.8 to 1.5) | 0.5 (0.3 to 0.8)‡ |
| Literacy | |||||||
| Literate | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Illiterate | 3.6 (1.5 to 8.7)‡ | 1.8 (1.3 to 2.5)† | 1.0 (0.7 to 1.6) | 0.7 (0.5 to 0.9)‡ | 1.3 (1.1 to 1.6)† | 0.3 (0.1 to 0.8)‡ | 0.5 (0.3 to 0.9)‡ |