Table II.
Univariate Associations between Asthma at Age 7 and the University of Cincinnati Asthma Predictive Index (ucAPI), Persistent Wheezing and Other Covariates
| Covariate | Asthma at 7 years | P value | |
|---|---|---|---|
| Yes n =103 (%) |
No n= 486 (%) |
||
| Gender: Male | 63 (61.2%) | 260 (53.5%) | 0.16 |
| Race: African American | 33 (32.0%) | 92 (18.9%) | <0.01 |
| Household income < $20K | 32 (32.0%) | 63 (13.4%) | <0.01 |
| Breast fed for ≥ 4mo | 42 (40.8%) | 270 (55.7%) | <0.01 |
| Exposure to ETS | 37 (35.9%) | 122 (25.2%) | 0.03 |
| Parental asthma | 58 (56.3%) | 182 (37.5%) | <0.01 |
| Sensitization to ≥ 1 aeroallergen at: → 1 year → 3 years |
29 (30.2%) 52 (56.5%) |
76 (16.7%) 179 (38.5%) |
<0.01 <0.01 |
| Sensitization to Milk at: → 1 year → 3 years |
6 (6.32%) 2 (2.17%) |
15 (3.3%) 6 (1.3%) |
0.14 0.39 |
| Sensitization to Egg at: → 1 year → 3 years |
21 (22.1%) 10 (11.0%) |
46 (10.1%) 20 (4.3%) |
<0.01 0.02 |
| Eczema^ | 34 (33.7%) | 92 (19.1%) | <0.01 |
| Dog ownership^ | 32 (31.1%) | 212 (43.6%) | 0.02 |
| Cat ownership^ | 23 (22.3 %) | 141 (29.0%) | 0.17 |
| Daycare attendance^ | 64 (62.1%) | 243 (50.0%) | 0.025 |
| ECAT exposure ≥ 75th percentile: →At 3 years →From birth-3 years |
32 (33.0%) 34 (33.0%) |
100 (20.6%) 114 (23.5%) |
0.05 0.04 |
| Positive ucAPI at 3 years | 41 (44.1%) | 27 (5.86%) | <0.01 |
| Persistent wheezing at 3 years | 33 (35.9%) | 21 (5.02%) | <0.01 |
| Atopic persistent wheezing at 3years | 20 (22.2%) | 8 (1.9%) | <0.01 |
| Non-atopic persistent wheezing at 3years | 11 (12.2%) | 13 (3.1%) | <0.01 |
^
Between birth-3 years
ETS= Environmental tobacco smoke; ECAT= Elemental Carbon Attributable to Traffic.