Table 2.
Characteristics of the study population
| Variables | Women n (%) | Men n (%) | Total subjects n (%) |
|---|---|---|---|
| Total | 417(71.65) | 165 (28.35) | 582 |
| Age (yrs) | |||
| <55 | 135 (32.37) | 32 (19.39) | 167 (28.69) |
| 55-75 | 231 (55.40) | 104 (63.03) | 335 (57.56) |
| >75 | 51 (12.23) | 29 (17.58) | 80(13.75) |
| Education | |||
| Incomplete fundamental | 90 (21.58) | 42 (25.46) | 132 (22.68) |
| Complete fundamental | 130 (31.18) | 56 (33.94) | 186 (31.96) |
| Incomplete secondary | 29 (6.95) | 11 (6.67) | 40 (6.87) |
| Complete secondary | 108 (25.90) | 43 (26.06) | 151 (25.94) |
| Incomplete superior | 12 (2.88) | 6 (3.64) | 18 (3.09) |
| Complete superior | 48 (11.51) | 7 (4.24) | 55 (9.45) |
| Race/ethnicity | |||
| White | 256 (61.39) | 84 (50.91) | 340 (58.42) |
| African American | 28 (6.72) | 15 (9.09) | 43 (7.39) |
| Mixed (Mulatto/Pardo) | 124 (29.74) | 60 (36.36) | 184 (31.62) |
| Asian | 5(1.20) | 5 (3.03) | 10(1.72) |
| Native American | 4 (0.96) | 1 (0.61) | 5 (0.86) |
| Computer use | 27 (6.48) | 8 (4.85) | 35 (6.01) |
| Cigarrette smoking | 107 (25.66) | 74 (44.85) | 181 (31.10) |
| Diabetes (type 11) | 85 (20.38) | 31 (18.79) | 116 (19.93) |
| Cardiopathy | 35 (8.39) | 18 (10.91) | 53 (9.11) |
| Hypertension | 223 (53.48) | 85 (51.51) | 308 (52.92) |
| Rheumatism | 43 (10.31) | 8 (4.85) | 51 (8.76) |
| Depression medication | 37 (8.87) | 9 (5.45) | 46 (7.90) |
| Allergy medication | 50(11.99) | 9 (5.45) | 59 (10.14) |
| Contact lenses users | 6 (1.44) | 0 (0.00) | 6(1.03) |
| Eye drop users | 98 (23.50) | 32 (19.40) | 130 (22.34) |