| Health variables | Firewood n = 49 | Kerosene n = 43 | Charcoal n = 23 | Gas n = 15 | P-Value |
| Difficulty in breathing | 10 (20.4) | 1 (2.3) | 2 (8.7) | 1 (6.7) | 0.0403 |
| Running nose/sneezing | 19 (38.8) | 15 (34.9) | 9 (39.1) | 1 (6.7) | 0.12238 |
| Chest pain | 14 (28.6) | 7 (16.3) | 2 (8.7) | 0)0) | 0.0360 |
| Chest tightness | 7 (14.3) | 1 (2.3) | 0 (0) | 0 (0) | 0.0265 |
| Wheezing | 5 (10.2) | 2 (4.7) | 0 (0) | 0 (0) | 0.2175 |
| Watery eyes | 27 (55.1) | 17 (39.5) | 13 (56.5) | 3 (20) | 0.0585 |
| Redness of eyes | 24 (44.9) | 17 (39.5) | 8 (34.8) | 2 (13.3) | 0.0951 |
| Irritation of nose | 10 (20.4) | 7 (16.3) | 6 (26.1) | 4 (26.7) | 0.7427 |
| Irritation of throat | 1 (2.0) | 6 (14) | 3 (13) | 1 (6.7) | 0.1741 |
| Sweating | 30 (61.2) | 29 (67.4) | 19 (82.6) | 10 (66.7) | 0.3496 |
| Headache | 20 (40.8) | 17 (39.5) | 11 (47.8) | 4 (26.7) | 0.6334 |