Table 2.
Respiratory health history of school-age asthmatic and nonasthmatic participants.
| Health Characteristics | All N = 357 (%) |
Asthmatics N = 80 (%) |
Nonasthmatics N = 277 (%) |
p-Value a |
|---|---|---|---|---|
| Biological mother has asthma | ||||
| Yes | 44 (12.3) | 20 (25.1) | 24 (8.7) | <0.001 |
| No | 304 (85.2) | 57 (71.3) | 247 (89.2) | |
| Missing | 9 (2.5) | 3 (3.8) | 6 (2.2) | |
| Biological mother smoked while pregnant with child | ||||
| Yes | 16 (4.5) | 5 (6.3) | 11 (4.0) | 0.36 |
| No | 333 (93.3) | 72 (90.0) | 261 (94.2) | |
| Missing | 8 (2.2) | 3 (3.8) | 5 (1.8) | |
| Lower respiratory infection during infancy | ||||
| Yes | 48 (13.5) | 26 (32.5) | 22 (7.9) | <0.001 |
| No | 309 (86.6) | 54 (67.5) | 255 (92.1) | |
| Upper respiratory infection during infancy | ||||
| Yes | 21 (5.9) | 13 (16.3) | 8 (2.9) | <0.001 |
| No | 336 (94.1) | 67 (83.8) | 269 (97.1) | |
| Asthma during infancy | ||||
| Yes | 51 (14.3) | 47 (58.8) | 4 (1.4) | <0.001 |
| No | 306 (85.7) | 33 (41.3) | 273 (98.6) | |
| Age of asthma diagnosis b | ||||
| Under 2 years old | -- | 28 (35.0) | -- | -- |
| 2–4 years old | -- | 34 (42.5) | -- | -- |
| 5 years old and above | -- | 18 (22.5) | -- | -- |
a As determined by chi-squared or Fisher’s exact test. b Among individuals reporting doctor diagnosis of asthma only.