Table V.
Logistic regression analysis of risk factors associated with current wheeze among schoolchildren aged 6 to 7 years
| Risk factor | Current wheeze∗ (n= 3520) |
|
|---|---|---|
| Crude OR (95% CI) | Adjusted OR (95% CI) | |
| Sex | ||
| Boys | Reference | Reference |
| Girls | 0.8 (0.6-1.0)† | 0.7 (0.5-0.9)‡ |
| Child born prematurely | ||
| No | Reference | Reference |
| Yes | 2.2 (1.6-3.2)§ | 1.6 (1.0-2.4)† |
| Child ever breast-fed | ||
| No | Reference | Reference |
| Yes | 0.9 (0.7-1.2) | 0.9 (0.7-1.3) |
| Antibiotics used in the first year of life | ||
| No | Reference | Reference |
| Yes | 2.3 (1.8-2.9)§ | 1.8 (1.4-2.3)§ |
| Had a cat in the home during the first year of the child’s life | ||
| No | Reference | Reference |
| Yes | 1.5 (0.9-2.6) | 1.0 (0.5-2.0) |
| Child was laid on sheepskin in infancy | ||
| No | Reference | Reference |
| Yes | 4.1 (2.2-7.8)§ | 2.4 (1.1-5.2)†∗ |
| Ever diagnosed with pneumonia | ||
| No | Reference | Reference |
| Yes | 8.2 (6.1-11.0)§ | 6.3 (4.5-8.8)§ |
| Trucks pass through neighborhood | ||
| Never | Reference | Reference |
| Seldom | 1.4 (1.1-1.9)‡ | 1.3 (0.9-1.7) |
| Frequently throughout the day | 1.6 (1.1-2.4)† | 1.3 (0.8-2.2) |
| Almost the whole day | 1.8 (1.0-3.2)† | 1.8 (1.0-3.5) |
Adjustment was performed for all variables listed.
OR, Odds ratio.
∗
Wheeze during the past 12 months for all participants.
†
P < .05.
‡
P < .01.
§
P < .001.