Table 4 Patterns of exposure to ever use of biomass fuels among females and males.
Pattern code | Ever exposed | Case | Non-eye-disease control | Non-cataract eye-disease control | |||
|---|---|---|---|---|---|---|---|
WD/DL | RS | CD | N (%) | N (%) | N (%) | ||
Females | |||||||
4 | + | + | + | 12 (15.0) | 11 (13.7) | 14 (17.5) | |
3 | + | + | - | 14 (17.5) | 5 (6.3) | 7 (8.8) | |
2 | + | - | + | 13 (16.3) | 22 (27.5) | 23 (28.7) | |
1 | + | - | - | 41 (51.2) | 42 (52.5) | 36 (45.0) | |
Males | |||||||
4 | + | + | + | 1 (1.4) | 1 (1.4) | 0 | |
3 | + | + | - | 2 (2.7) | 1 (1.4) | 1 (1.4) | |
1 | + | - | - | 23 (31.5) | 13 (17.8) | 21 (28.8) | |
0 | - | - | - | 47 (64.4) | 58 (79.4) | 51 (69.9) | |