Table 1 Cumulative incidence of respiratory infection and symptoms during the first year and use of gas cooker
Study population | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Overall (n = 2003) | Asturias (n = 228) | Gipuzkoa (n = 527) | Sabadell (n = 544) | Valencia (n = 704) | ||||||
Respiratory outcomes | N | % | N | % | N | % | N | % | N | % |
LRTI | 731 | 36.6 | 105 | 46.3 | 205 | 38.9 | 217 | 40.0 | 204 | 29.0 |
Wheezing | 693 | 34.6 | 125 | 54.8 | 189 | 35.9 | 198 | 36.5 | 181 | 25.7 |
Cough | 302 | 15.5 | 38 | 17.8 | 120 | 22.9 | 90 | 17.5 | 54 | 7.7 |
Otitis | 620 | 31.2 | 81 | 36.2 | 189 | 36.0 | 178 | 33.2 | 172 | 24.4 |
Chestiness | 939 | 47.4 | 149 | 68.3 | 175 | 33.5 | 319 | 59.1 | 296 | 42.2 |
Exposure to gas cooker | 912 | 45.5 | 43 | 18.9 | 82 | 15.6 | 333 | 61.2 | 454 | 64.5 |