Spain | The Netherlands | Finland | |
---|---|---|---|
n=2690 | n=2490 | n=3922 | |
Number of schools (n) | 18 | 19 | 17 |
Girls | 1304 (48%) | 1295 (52%) | 2036 (52%) |
Age (mean, SD) | 9.0 (1.8) | 9.1 (1.8) | 10.0 (1.8) |
Passive smoking | 751 (28%) | 334 (13%) | 0 (0%) |
Mould at home | 168 (6%) | 342 (14%) | 93 (2%) |
Low parental education | 1213 (47%) | 967 (41%) | 1913 (50%) |
Bleach use at home | 1945 (72%) | 1417 (57%) | 279 (7%) |
Bleach use at school* | 1108 (100%) | 159 (11%) | 0 (0%) |
Infections | |||
Influenza | |||
Once | 363 (18%) | 824 (36%) | 598 (17%) |
Recurrent | 142 (7%) | 240 (11%) | 224 (6%) |
Tonsilitis | |||
Once | 433 (21%) | 274 (13%) | 141 (4%) |
Recurrent | 258 (13%) | 114 (5%) | 76 (2%) |
Otitis | |||
Once | 54 (3%) | 78 (4%) | 183 (5%) |
Recurrent | 48 (3%) | 34 (2%) | 95 (3%) |
Sinusitis | |||
Once | 331 (17%) | 222 (10%) | 460 (13%) |
Recurrent | 188 (9%) | 153 (7%) | 165 (5%) |
Bronchitis | |||
Once | 160 (8%) | 81 (4%) | 238 (7%) |
Recurrent | 145 (7%) | 70 (3%) | 45 (1%) |
Pneumonia (ever) | 74 (4%) | 45 (2%) | 37 (1%) |
Any infection | |||
Once | 815 (35%) | 920 (39%) | 1068 (29%) |
Recurrent | 609 (26%) | 495 (21%) | 504 (14%) |
*n=3473 (Spain n=1108; the Netherlands n=1385; Finland n=980).