Table 3.
Proportion of positive skin-prick tests stratified by the region of residence
| Parameter | 6–7 years | 13–14 years | Adults | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 3 mm | 3–5 mm | ≥ 6 mm | ≥ 3 mm | 3–5 mm | ≥ 6 mm | ≥ 3 mm | 3–5 mm | ≥ 6 mm | ||||||||||
| n | % | n | % | n | % | n | % | n | % | n | % | n | % | n | % | n | % | |
| Urban areas: | ||||||||||||||||||
| Birch | 117 | 9.9 | 85 | 7.2 | 32 | 2.7 | 192 | 16.7 | 123 | 10.7 | 69 | 6.0 | 327 | 17.0 | 159 | 8.3 | 168 | 8.7 |
| Grasses/cereals | 188 | 16.0 | 121 | 10.3 | 67 | 5.7 | 299 | 26.0 | 148 | 12.8 | 151 | 13.1 | 436 | 22.7 | 199 | 10.3 | 237 | 12.3 |
| Wormwood | 89 | 7.5 | 76 | 6.4 | 13 | 1.1 | 202 | 17.5 | 164 | 14.2 | 38 | 3.3 | 388 | 20.2 | 268 | 13.9 | 120 | 6.2 |
| Dermatophagoides pteronyssinus | 177 | 15.0 | 121 | 10.3 | 56 | 4.7 | 312 | 27.1 | 163 | 14.1 | 149 | 12.9 | 475 | 24.8 | 285 | 14.8 | 190 | 9.9 |
| Type I molds | 73 | 6.2 | 51 | 4.3 | 22 | 1.8 | 141 | 12.2 | 103 | 8.9 | 38 | 3.3 | 162 | 8.4 | 128 | 6.6 | 34 | 1.7 |
| Type II molds | 48 | 4.0 | 47 | 4.0 | 1 | 0.1 | 63 | 5.4 | 59 | 5.1 | 4 | 0.3 | 149 | 7.7 | 134 | 6.9 | 15 | 0.7 |
| Dog | 68 | 5.7 | 65 | 5.5 | 3 | 0.2 | 85 | 7.3 | 76 | 6.6 | 9 | 0.7 | 203 | 10.6 | 189 | 9.8 | 14 | 0.7 |
| Cat | 96 | 8.1 | 73 | 6.2 | 23 | 1.9 | 181 | 15.7 | 128 | 11.1 | 53 | 4.6 | 281 | 14.6 | 185 | 9.6 | 96 | 5.0 |
| Dermatophagoides farinae | 168 | 14.3 | 114 | 9.7 | 54 | 4.5 | 280 | 24.3 | 154 | 13.4 | 126 | 10.9 | 427 | 22.2 | 278 | 14.5 | 149 | 7.7 |
| Hazel | 78 | 6.6 | 51 | 4.3 | 27 | 2.2 | 142 | 12.3 | 94 | 8.1 | 48 | 4.1 | 278 | 14.5 | 156 | 8.1 | 122 | 6.3 |
| Alder | 72 | 6.1 | 53 | 4.5 | 19 | 1.6 | 132 | 11.4 | 96 | 8.3 | 36 | 3.1 | 275 | 14.3 | 179 | 9.3 | 96 | 5.0 |
| Rye | 127 | 10.8 | 79 | 6.7 | 48 | 4.0 | 216 | 18.7 | 126 | 10.9 | 90 | 7.8 | 364 | 19.0 | 184 | 9.6 | 180 | 9.3 |
| Ribleaf | 49 | 4.1 | 47 | 4.0 | 2 | 0.1 | 98 | 8.5 | 80 | 6.9 | 18 | 1.5 | 207 | 10.8 | 186 | 9.7 | 21 | 1.0 |
| Cladosporium herbarum | 34 | 2.8 | 30 | 2.5 | 4 | 0.3 | 53 | 4.6 | 51 | 4.4 | 2 | 0.1 | 121 | 6.3 | 113 | 5.9 | 8 | 0.4 |
| Alternaria tenuis | 98 | 8.3 | 70 | 5.9 | 28 | 2.3 | 123 | 10.7 | 77 | 6.7 | 46 | 4.0 | 130 | 6.7 | 98 | 5.1 | 32 | 1.6 |
| Countryside: | ||||||||||||||||||
| Birch | 25 | 16.0 | 24 | 15.3 | 1 | 0.6 | 20 | 11.6 | 19 | 11.0 | 1 | 0.5 | 32 | 14.7 | 32 | 14.7 | 0 | 0 |
| Grasses/cereals | 29 | 18.5 | 28 | 17.9 | 1 | 0.6 | 26 | 15.1 | 23 | 13.3 | 3 | 1.7 | 43 | 19.8 | 36 | 16.5 | 7 | 3.2 |
| Wormwood | 28 | 17.9 | 28 | 17.9 | 0 | 0 | 25 | 14.5 | 25 | 14.5 | 0 | 0 | 40 | 18.4 | 38 | 17.5 | 2 | 0.9 |
| Dermatophagoides pteronyssinus | 35 | 22.4 | 31 | 19.8 | 4 | 2.5 | 52 | 30.2 | 41 | 23.8 | 11 | 6.3 | 66 | 30.4 | 57 | 26.2 | 9 | 4.1 |
| Type I molds | 18 | 11.5 | 17 | 10.8 | 1 | 0.6 | 14 | 8.1 | 14 | 8.1 | 0 | 0 | 27 | 12.4 | 27 | 12.4 | 0 | 0 |
| Type II molds | 23 | 4.0 | 23 | 4.0 | 0 | 0.1 | 17 | 5.4 | 17 | 5.1 | 0 | 0.3 | 30 | 7.7 | 30 | 6.9 | 0 | 0.7 |
| Dog | 33 | 21.1 | 33 | 21.1 | 0 | 0 | 23 | 13.3 | 23 | 13.3 | 0 | 0 | 29 | 13.3 | 29 | 13.3 | 0 | 0 |
| Cat | 21 | 13.4 | 20 | 12.8 | 1 | 0.6 | 13 | 7.5 | 11 | 6.3 | 2 | 1.1 | 22 | 10.1 | 20 | 9.2 | 2 | 0.9 |
| Dermatophagoides farinae | 31 | 14.3 | 29 | 9.7 | 2 | 4.5 | 32 | 24.3 | 28 | 13.4 | 4 | 10.9 | 51 | 22.2 | 44 | 14.5 | 7 | 7.7 |
| Hazel | 18 | 11.5 | 18 | 11.5 | 0 | 0 | 20 | 11.6 | 19 | 11.0 | 1 | 0.5 | 21 | 9.6 | 20 | 9.2 | 1 | 0.4 |
| Alder | 19 | 12.1 | 19 | 12.1 | 0 | 0 | 16 | 9.3 | 15 | 8.7 | 1 | 0.5 | 18 | 8.2 | 17 | 7.8 | 1 | 0.4 |
| Rye | 22 | 14.1 | 22 | 14.1 | 0 | 0 | 20 | 11.6 | 19 | 11.0 | 1 | 0.5 | 26 | 11.9 | 20 | 10.1 | 4 | 1.8 |
| Ribleaf | 18 | 11.5 | 18 | 11.5 | 0 | 0 | 18 | 10.4 | 18 | 10.4 | 0 | 0 | 22 | 10.1 | 21 | 9.6 | 1 | 0.4 |
| Cladosporium herbarum | 16 | 10.2 | 16 | 10.2 | 0 | 0 | 14 | 8.1 | 14 | 8.1 | 0 | 0 | 15 | 6.9 | 15 | 6.9 | 0 | 0 |
| Alternaria tenuis | 19 | 12.1 | 18 | 11.5 | 1 | 0.6 | 10 | 5.8 | 9 | 5.2 | 1 | 0.5 | 14 | 6.4 | 14 | 6.4 | 0 | 0 |