Table 3.
Predictors of Influenza Complications and Hospitalziations
| Presence During Interval of Care | ||||
|---|---|---|---|---|
| Hospitalization (N = 103) | Any Complication (N = 1,545) | |||
| OR* | 95% Cl | OR* | 95% Cl | |
| Sex (Female vs. Male) | 1.02 | 0.67–1.56 | 1.00 | 0.89–1.12 |
| Age | ||||
| <5 | 0.75 | 0.33–1.70 | 1.55 | 1.26–1.91 |
| 5–14 | 0.45 | 0.19–1.10 | 1.08 | 0.89–1.32 |
| 15–24 | 0.28 | 0.06–1.26 | 1.02 | 0.79–1.31 |
| 25–34 | 0.83 | 0.33–2.07 | 0.99 | 0.78–1.26 |
| 35–44 | 1.00 | n/a | 1.00 | |
| 45–54 | 1.22 | 0.59–2.52 | 0.85 | 0.67–1.08 |
| 55–64 | 1.75 | 0.87–3.52 | 1.04 | 0.80–1.35 |
| 65+ | 1.93 | 0.82–4.56 | 1.54 | 1.06–2.24 |
| Prior/Concurrent | ||||
| Prior Immunization | 2.17 | 1.06–4.43 | 1.01 | 0.70–1.45 |
| Recent Comp/Comorbidity | 3.17 | 1.96–5.13 | 1.47 | 1.27–1.70 |
| Concurrent Amant/ Rimant | 0.60 | 0.18–2.00 | 1.22 | 0.91–1.63 |
| Prior Influenza Episode | 0.32 | 0.09–1.07 | 0.85 | 0.66–1.09 |
| Quintile of 3-Month Preceding Health Care Cost | ||||
| 1:$0 | 1.00 | 1.00 | ||
| 2: >$0–$86 | 0.38 | 0.22–1.22 | 0.92 | 0.75–1.12 |
| 3:$87–$199 | 0.44 | 0.15–1.24 | 0.86 | 0.70–1.04 |
| 4: $200–452 | 0.84 | 0.36–1.97 | 1.21 | 1.00–1.47 |
| 5:$453+ | 1.71 | 0.77–3.84 | 1.56 | 1.28–1.91 |
| Medication Use and Prevalent Comorbid Conditions | ||||
| Chronic Corticosteroid Use | 2.00 | 0.66–6.02 | 1.84 | 0.83–4.07 |
| Malignancy | 3.67 | 1.82–7.44 | 2.38 | 1.44–3.93 |
| Chronic Heart Disease | 3.16 | 1.66–6.00 | 1.76 | 1.19–2.61 |
| Chronic Lung Disease | 1.29 | 0.81–2.05 | 1.15 | 1.00–1.34 |
| Diabetes | 2.19 | 1.08–4.47 | 1.74 | 1.16–2.61 |
* Adjusted using logistic regression.