Table 2.
Sociodemographic characteristics of sample
| Total sample (n=3926) | No vision impairment (n=3391) | Vision impairment1 (n=535) | p-value2 | |
|---|---|---|---|---|
| % (n) | ||||
| Gender | ||||
| Male | 41.9 (1643) | 41.4 (1404) | 44.7 (239) | - |
| Female | 58.1 (2283) | 58.6 (1987) | 55.3 (296) | 0.154 |
| Age (y) | ||||
| 50–59 | 46.8 (1838) | 51.6 (1748) | 16.8 (90) | - |
| 60–69 | 28.9 (1136) | 29.6 (1004) | 24.7 (132) | - |
| 70–79 | 14.5 (571) | 13.4 (455) | 21.7 (116) | - |
| ≥80 | 9.7 (381) | 5.4 (184) | 36.8 (197) | <0.001 |
| Wealth | ||||
| 1st quintile | 27.5 (1078) | 27.0 (916) | 30.3 (162) | - |
| 2nd quintile | 16.2 (636) | 16.0 (542) | 17.6 (94) | - |
| 3rd quintile | 20.4 (801) | 20.1 (683) | 22.1 (118) | - |
| 4th quintile | 20.9 (820) | 21.1 (717) | 19.3 (103) | - |
| 5th quintile | 15.1 (591) | 15.7 (533) | 10.8 (58) | 0.022 |
| Disability3 | ||||
| No | 94.6 (3714) | 97.2 (3297) | 77.9 (417) | - |
| Yes | 5.4 (212) | 2.8 (94) | 22.1 (118) | <0.001 |
1
MVI (PVA<6/18).
2
p-values are based on Pearson's χ2 test.
3
Additional disabilities (hearing, walking/climbing, remembering/concentrating, upper body, communication).