Table 3 Brazilian regions: climate and demographic characteristics and dry eye prevalence.
From: Prevalence and Risk Factors of self-reported dry eye in Brazil using a short symptom questionnaire
Region | North 331 (10.7) | Northeast 281 (9.0) | Central-west 549 (17.7) | Southeast 1658 (53.3) | South 288 (9.3) |
|---|---|---|---|---|---|
Average annual temperature* | 24–26 °C | 20–28 °C | 20–22 °C | 20–24 °C | 14–22 °C |
Climate* | Equatorial | Tropical/semi-arid | Tropical | Tropical | Subtropical |
Average annual rainfall (mm/year)* | 3000 | 1000 | 1500-200 | 1500–2000 | 1250–2000 |
Demographic distribution* (total 203,191 million inhabitants) | 17,285 (8.5%) | 56,270 (27.7%) | 15,268 (7.5%) | 85,291 (42%) | 29,077 (14.,3%) |
Female | 207 (62.5) | 177 (63) | 360 (66.5) | 1131 (68.2) | 157 (54.5) |
Male | 124 (37.5) | 104 (37) | 181 (33.5) | 527 (31.8) | 131 (45.5) |
+60 years | 39 (11.8) | 65 (23.1) | 147 (26.7) | 189 (11.4) | 34 (11.8) |
Dry eye | 37 (11.2) | 53 (18.9) | 70 (12.8) | 188 (11.3) | 50 (17.4) |
Dry eye previous diagnosis | 31 (9.3) | 44 (15.7) | 51 (9.3) | 146 (8.8) | 45 (15.6) |
Dry eye severe symptoms | 12 (3.6) | 21 (7.4) | 33 (6.0) | 73 (4.4) | 12 (4.1) |
