Table 1 The age group and gender of participants examined compared to the age and gender distribution of the inhabitants of the municipalities of Botucatu and Sao Paulo.
From: Prevalence and causes of visual impairment in a Brazilian population: The Botucatu Eye Study
Age Group (years) | Examined n = 2485 (%) | Botucatu# n = 108 306 (%) | Sao Paulo# n = 10 435 546 (%) |
|---|---|---|---|
1–9 | 213 (8.6) | 17 629 (16.3) | 1 708 230 (16.4) |
10–19 | 372 (14.9) | 20 459 (18.9) | 1 878 255 (17.9) |
20–29 | 355 (14.3) | 18 695 (17.2) | 1 969 018 (18.9) |
30–39 | 317 (12.8) | 16 124 (14.9) | 1 699 367 (16.3) |
40–49 | 457 (18.4) | 13 966 (12.9) | 1 352 029 (13.0) |
50–59 | 348 (14.0) | 9 292 (8.6) | 855 640 (8.2) |
60–69 | 216 (8.7) | 6 442 (5.9) | 540 687 (5.2) |
70 and over | 207 (8.3) | 5 699 (5.3) | 432 320 (4.1) |
Gender | n = 90 677* | n = 8 727 317* | |
Male | 1056 (42.5) | 43 851 (48.4) | 4 106 513 (47.1) |
Female | 1429 (57.5) | 46 826 (51.6) | 4 620 804 (52.9) |