Clean fuel (n=240) | Biomass (n=544) | ||||||
---|---|---|---|---|---|---|---|
Eye symptoms | Always used clean fuel (n=71) | Switched from biomass (n=169) | Total | Switched from clean (n=83) | Always biomass fuel (n=461) | Total | P value |
Redness in eye | 7 (9.9) | 16 (9.5) | 23 (9.6) | 14 (16.9) | 68 (14.7) | 82 (15.1) | 0.653 |
Burning sensation | 21 (29.6) | 54 (31.9) | 75 (31.2) | 42 (50.6) | 144 (31.2) | 186 (34.2) | 0.007 |
Grittiness | 0 (0.0) | 6 (3.5) | 6 (2.5) | 12 (14.4) | 30 (6.5) | 42 (7.7) | 0.233 |
Photophobia | 1 (1.4) | 5 (2.9) | 6 (2.5) | 6 (7.2) | 18 (4.0) | 24 (4.4) | 0.678 |
Pain | 9 (12.7) | 28 (16.6) | 37 (15.4) | 13 (15.7) | 81 (17.6) | 94 (17.3) | <0.001 |
Tearing | 12 (16.9) | 48 (28.4) | 60 (25.0) | 46 (55.4) | 179 (38.8) | 225 (41.4) | 0.011 |
Values represent n (%) or meanĀ±SD unless specified; primary fuel=fuels used on most occasions; p values are for the total of the two primary fuel types, that is, clean fuel (electricity/liquefied petroleum gas/methane) versus biomass fuel.