Table 2: Distribution of the study sample by visual impairment and selected factors.
| Visual impairment | Odds ratio (95% Confidence interval) |
||||
| Present | Absent | ||||
| N | % | N | % | ||
| Age in years ≥ 60 | 81 | 63.3 | 110 | 23.2 | 5.70 (3.75-8.66) |
| 40 - 59 | 47 | 36.7 | 364 | 76.8 | |
| Sex: Female | 53 | 41.4 | 195 | 41.1 | 0.98 (0.66-1.47) |
| Male | 75 | 58.6 | 279 | 58.9 | |
| Educational level: Up to grade 9 | 97 | 75.8 | 245 | 51.7 | 2.92 (1.87-4.55) |
| > Grade 9 | 31 | 24.2 | 229 | 48.3 | |
| Monthly income (SLR) < 2500 | 78 | 66.7 | 222 | 50.3 | 1.97 (1.28-3.0) |
| ≥ 2500 | 39 | 33.3 | 219 | 49.7 | |
| Employment: Non paid | 79 | 61.7 | 252 | 53.2 | 0.67 (0.41-1.05) |
| Paid | 49 | 38.3 | 222 | 46.8 | |
| History of Diabetes Mellitus Present | 29 | 22.7 | 93 | 19.6 | 1.20 (0.75-1.92) |
| Absent | 99 | 77.3 | 381 | 80.4 | |
| History of hypertension Present | 36 | 28.1 | 109 | 23.0 | 1.31 (0.84-2.04) |
| Absent | 92 | 71.9 | 365 | 77.0 | |
| Consumed alcohol | 44 | 34.4 | 148 | 31.2 | 1.15 (0.76-1.74) |
| Not consumed alcohol | 84 | 65.6 | 326 | 68.8 | |
| Smoker | 34 | 26.8 | 109 | 23.0 | 1.22 (0.78-1.91) |
| Non-smoker | 93 | 73.2 | 365 | 77.0 | |
| Total | 128 | 100 | 474 | 100 | |