Table 3.
Odds Ratios for Factors Associated with Very Poorly Controlled Asthma at 6 months, unadjusted.
| Asthma Control Status at Six Months | Outcome: Asthma VPC | ||
|---|---|---|---|
| NWC or WC N=114 (53.8%) |
VPC N=98 (46.2%) |
OR (95% CI), p-valuea | |
| Child age @ baseline: <6 years | 44.6 | 50.5% | 1.27 (0.74–2.17), p=0.397 |
| Child Gender: Female | 34.5% | 37.1% | 1.12 (0.64–1.96), p=0.695 |
| Atopic: + >=1 allergen test | 77.8% | 87.2% | 1.95 (0.88–4.29), p=0.098 |
| # + allergen tests, mean (SD) | 4.4 (3.4) | 4.6 (3.3) | 1.02 (0.94–1.11), p=0.649 |
| Allergic Rhinitis: YesҰ | 52.6% | 74.2% | 2.59 (1.44–4.65), p=0.001 |
| # PCP visits past 3 monthsҰ: | P=.004 | ||
| None | 45.6% | 33.7% | Reference |
| One | 40.4% | 32.7% | 1.10 (0.59–2.05), p=0.774 |
| Two or more | 14.0% | 33.7% | 3.25 (1.55–6.81), p=0.002 |
| ICS use (past 2 weeks) parent report: | P=.911 | ||
| None | 23.4% | 24.5% | Reference |
| Monotherapy | 39.6% | 41.5% | 1.00 (0.49–2.03), p=0.996 |
| Combination Therapy | 36.9% | 34.0% | 0.88 (0.43–1.83), p=0.736 |
| How long a controller medication inhaler lasts? | P=.449 | ||
| Less than 1 month | 55.8% | 63.1% | 1.78 (0.72–4.38), p=0.211 |
| 1–2 months | 27.4% | 26.2% | 1.50 (0.56–4.07), p=0.421 |
| >=3 months | 16.8% | 10.7% | Reference |
| Caregiver worried about medication side effects (Yes)Ұ: | 27.7% | 42.7% | 1.95 (1.10–3.47), p=0.024 |
| Season of enrollmentҰ: | P=.041 | ||
| Fall | 27.0% | 46.8% | 2.93 (1.30–6.60), p=0.009 |
| Winter | 35.1% | 14.9% | 0.72 (0.29–1.77), p=0.472 |
| Spring | 14.4% | 24.5% | 2.88 (1.14–7.23), p=0.025 |
| Summer | 23.4% | 13.8% | Reference |
| Season of six month follow-upҰ: | P=.001 | ||
| Fall | 17.7% | 26.8% | 3.17 (1.39–7.22), p=0.006 |
| Winter | 20.4% | 10.3% | 1.06 (0.41–2.72), p=0.904 |
| Spring | 27.4% | 46.4% | 3.54 (1.69–7.42), p=0.001 |
| Summer | 34.5% | 16.5% | Reference |
Ұ
P<.05, distributional difference between VPC patients and those NWC or WC significant based on Chi-square test for categorical factors and independent t-test for continuous factors. OR=Odds ratio based on GEE with binomial distribution specified (continuous variables ~ odds of very poorly controlled disease per one unit increase)