Symptoms and diseases
| | |
At the age of 1 year* | | |
Wheezing | 471/ 3037 15.5 | 258/1722 15.0 |
Cough without infection | 261/2908 9.0 | 151/1655 9.1 |
Dry cough at night | 207/3056 6.8 | 123/1737 7.1 |
Doctor-diagnosed bronchial asthma | 12/3055 0.4 | 6/1731 0.4 |
Doctor-diagnosed asthmatic/spastic/obstructive bronchitis | 356/3059 11.6 | 196/1735 11.3 |
Doctor-diagnosed respiratory infections | 2168/3052 71.0 | 1212/1728 70.1 |
Sneezing, running/stuffed nose without a cold | 406/3067 13.2 | 254/1743 14.6 |
At the age of 2 years* | | |
Wheezing | 746/2882 25.9 | 416/1627 25.6 |
Dry cough at night | 387/2866 13.5 | 228/1614 14.1 |
Doctor-diagnosed bronchial asthma | 26/2833 0.9 | 16/1600 1.0 |
Doctor-diagnosed asthmatic/spastic/obstructive bronchitis | 555/2861 19.4 | 303/1616 18.8 |
Doctor-diagnosed respiratory infections | 2733/3021 90.5 | 1528/1695 90.2 |
Sneezing, running/stuffed nose without a cold | 610/2907 21.0 | 354/1638 21.6 |
| | |
Confounding variables
| | |
Female sex | 1489/3129 52.4 | 832/1756 47.4 |
Parental atopy | 1667/3577 46.6 | 935/1756 53.3 |
ETS at home | 646/3008 21.5 | 398/1704 23.4 |
Maternal education | | |
<12 grades | 925/ 3113 29.7 | 633/1751 36.1 |
⩾12 grades | 1853/3113 59.5 | 1118/1751 63.9 |
Siblings | 1358/ 3080 44.1 | 700/1712 40.9 |
Use of gas for cooking | 253/3075 8.2 | 221/1731 12.8 |
Home dampness | 218/3080 7.1 | 115/1731 6.6 |
Indoor moulds | 934/3082 30.3 | 534/1735 30.8 |
Keeping pets | 658/3100 21.2 | 318/1739 18.3 |
Cat | 304/ 3092 9.8 | 159/1735 9.2 |
Dog | 160/3092 5.2 | 70/1735 4.0 |