Table 2.
Baseline asthma-related characteristics by BMI status
| BMI-percentile | |||
|---|---|---|---|
| 10–84th (N=492) | ≥ 85th (N=244) | p-value | |
| Age at enrollment in months, mean (SD) | 38.9 (9.1) | 39.6 (9.9) | 0.45 |
| Age at diagnosis in months, mean (SD) | 19.4 (11.4) | 18.4 (11.2) | 0.31 |
| Weight in kg, mean (SD) | 15.0 (2.1) | 18.4 (3.7) | <0.0001 |
| Female | 193 (39.2%) | 78 (32%) | 0.055 |
| Race | |||
| Non-Hispanic White | 223 (45.3) | 89 (36.5) | 0.0223 |
| Non-Hispanic Black | 95 (19.3) | 45 (18.4) | 0.78 |
| Hispanic | 108 (22.0) | 81 (33.2) | 0.0010 |
| Other Race | 66 (13.4) | 29 (11.9) | 0.56 |
| Tobacco smoke exposure | 188 (38.3) | 103 (42.4) | 0.16 |
| Pets in Home | 225 (45.7) | 109 (44.7) | 0.79 |
| Positive Aeroallergen Test | 278 (57.3) | 126 (52.3) | 0.20 |
| Child ever have eczema | 279 (56.7) | 129 (52.9) | 0.98 |
| IgE (kU/L)* | 64.5 (21.6, 202.0) | 49.0 (16.1, 161.5) | 0.060 |
| Blood eosinophils %* | 3.7 (2.0, 6.1) | 3.0 (1.9, 5.0) | 0.0068 |
| Average SFDs per week, mean (SD) | 5.3 (1.8) | 5.3 (1.8) | 0.62 |
| Average SABA puffs per week* | 0.4 (0.0, 1.4) | 0.0 (0.0, 1.3) | 0.095 |
| Urgent/ED visit in the past year | 310 (63) | 161 (66) | 0.43 |
| Hospitalized in the past year | 60 (12.2) | 45 (18.4) | 0.0226 |
Values represent counts (%) unless noted. BMI – body mass index, SFD – symptom free days, SABA – short-acting beta-agonist, ED – emergency department.
* -
Wilcoxon test