Table 5. Logistic regression analysis of risk factors for asthma and asthma-like symptoms.
| OR, 95% CI |
||||||||
|---|---|---|---|---|---|---|---|---|
| Age | Gender | Smoking | Smoking inside the house | Cockroach | Famliy history of atopy | Carpet in the bedroom | Pets in the house | |
| Wheezing | 1.032, 1.020-1.045* |
1.105, 0.682-1.789 |
1.321, 0.803-2.172 |
1.140, 0.762-1.706 |
2.932, 1.861-4.620* |
4.993, 3.223-7.736* |
0.264, 0.060-1.157 |
1.574, 0.852-2.907 |
| Wheezing with shortness of breath | 1.038, 1.024-1.052* |
1.310, 0.766-2.242 |
1.398, 0.802-2.435 |
1.050, 0.670-1.647 |
2.969, 1.809-4.873* |
5.922, 3.725-9.416* |
0.399, 0.075-2.141 |
1.969, 1.036-3.741# |
| Wheezing in the absence of a cold | 1.035, 1.022-1.049* |
0.938, 0.551-1.597 |
1.093, 0.628-1.902 |
0.978, 0.613-1.562 |
2.898, 1.745-4.811* |
5.736, 3.568-9.223* |
0.191, 0.043-0.851# |
2.174, 1.145-4.130# |
| Waking with tightness in the chest | 1.019, 1.009-1.028* |
1.800, 1.185-2.734ǂ |
1.418, 0.920-2.186 |
1.138, 0.819-1.583 |
1.277, 0.822-1.985 |
2.277, 1.511-3.431* |
0.917, 0.185-4.545 |
1.592, 0.958-2.643 |
| Woken by an attack of breathlessness | 1.031, 1.021-1.041* |
2.148, 1.417-3.256* |
1.608, 1.046-2.473# |
1.127, 0.812-1.565 |
0.864, 0.537-1.392 |
2.454, 1.630-3.696* |
0.634, 0.150-2.675 |
1.731, 1.048-2.858# |
| Woken by attack of cough | 1.025, 1.016-1.035* |
1.864, 1.234-2.816ǂ |
1.394, 0.909-2.140 |
1.270, 0.918-1.755 |
0.731, 0.446-1.201 |
2.162, 1.432-3.263* |
0.592, 0.143-2.461 |
1.520, 0.914-2.528 |
| Attack of asthma | 1.026, 1.001-1.052# |
1.042, 0.373-2.910 |
0.685, 0.221-2.125 |
0.523, 0.189-1.451 |
3.107, 1.248-7.737# |
8.871, 4.049-19.437* |
0.186, 0.019-1.803 |
2.532, 0.816-7.859 |
| Treatment for asthma | 1.062, 1.040-1.083* |
0.954, 0.471-1.932 |
0.515, 0.231-1.149 |
0.785, 0.396-1.554 |
2.131, 1.003-4.530# |
24.856, 13.685-45.144* |
0.654, 0.058-7.384 |
0.950, 0.298-3.032 |
| Current asthma | 1.054, 1.034-1.074* |
1.046, 0.523-2.094 |
0.621, 0.287-1.343 |
0.781, 0.406-1.502 |
2.181, 1.062-4.479# |
20.543, 11.629-36.292* |
0.655, 0.060-7.118 |
1.173, 0.414-3.325 |
| Asthma-like symptoms | 1.018, 1.011-1.026 |
1.717, 1.226-2.405ǂ |
1.294, 0.911-1.840 |
1.245, 0.947-1.636 |
1.282, 0.883-1.862 |
2.246, 1.544-3.265* |
1.159, 0.281-4.775 |
1.153, 0.731-1.818 |
*, P<0.0001; #, P<0.05; ǂ, P<0.01; CI, confidential interval.