Table 4.
Prevalence of different systems for heating and cooking food in the dwellings of enrolled children
| BS | LE | PG | PI | TO | mean | P-valuea | |
|---|---|---|---|---|---|---|---|
| Fuel used for heating (%) | |||||||
| Wood/Pellet | 6.9 | 7.2 | 12.4 | 1.4 | 1.5 | 6.2 | <0.001 |
| Diesel/Kerosene | 0.6 | 1.4 | 5.1 | 2.6 | 10.1 | 3.9 | <0.001 |
| Gas | 30.2 | 83.5 | 78.3 | 92.4 | 57.7 | 67.7 | <0.001 |
| Electricity | 3.3 | 8.0 | 2.7 | 2.9 | 0.9 | 3.6 | <0.001 |
| District heating | 59.1 | 0 | 1.1 | 0 | 29.8 | 18.5 | <0.001 |
| Stoves (%) | |||||||
| Wood/Pellet | 6.0 | 2.5 | 7.2 | 2.4 | 0.4 | 3.8 | <0.001 |
| Gas/kerosene | 1.2 | 5.0 | 1.3 | 3.3 | 1.3 | 2.4 | 0.220 |
| Electricity | 0.4 | 2.1 | 1.3 | 1.0 | 0.9 | 1.1 | 0.500 |
| Fireplaces (%) | 23.6 | 37.2 | 34.9 | 13.8 | 7.0 | 23.7 | <0.001 |
| Gas boiler (%) | 11.2 | 3.3 | 8.9 | 17.1 | 18.5 | 11.6 | <0.001 |
| Fuel used for cooking (%) | |||||||
| Electricity/Induction | 21.1 | 13.6 | 8.0 | 9.7 | 5.4 | 11.7 | <0.001 |
| Gas | 78.2 | 85.7 | 89.2 | 90.3 | 94.6 | 87.4 | <0.001 |
| Wood/Charcoal | 0.8 | 0.8 | 2.8 | 0 | 0 | 0.9 | 0.005 |
asignificance level by chi-squared test among frequencies in the various cities