Table 2 Adjusted odds ratio of the probability of absence of influenza vaccination among elderly persons with multiple chronic diseases
From: Absence of influenza vaccination among high-risk older adults in Taiwan
Variables | Odds Ratio | 95% CI | P-value |
|---|---|---|---|
Individual factors | Â | Â | Â |
   Age |  |  |  |
65-69 | 1 | Â | Â |
70-74 | 1.14 | [1.05 -1.24] | < 0.01 |
75-79 | 1.14 | [1.04 -1.25] | < 0.01 |
≥ 80 | 1.07 | [0.98-1.17] | 0.19 |
   Gender |  |  |  |
Men | 1 | Â | Â |
Women | 1.14 | [1.07 -1.22] | < 0.01 |
   Charlson Comorbidity Index |  |  |  |
0 | 1 | Â | Â |
1 | 2.53 | [2.26 - 2.84] | < 0.01 |
2 | 3.92 | [3.51 - 4.38] | < 0.01 |
≥ 3 | 4.93 | [4.47 - 5.42] | < 0.01 |
Health care utilizations | Â | Â | Â |
   Received flu shot at 2004-2005 flu season |  |  |  |
Yes | 1 | Â | Â |
No | 4.26 | [3.97 - 4.56] | < 0.01 |
Hospital factors | Â | Â | Â |
   Hospital level |  |  |  |
Medical Center | 1 | Â | Â |
Regional hospitals | 0.93 | [0.83 - 1.05] | 0.43 |
District hospitals | 0.78 | [0.67 - 0.91] | < 0.01 |
Clinics | 0.84 | [0.72 - 0.98] | < 0.01 |
   Teaching status |  |  |  |
Teaching | 1 | Â | Â |
Non-Teaching | 0.98 | [0.87 - 1.11] | 0.27 |
   Ownership |  |  |  |
Public | 1 | Â | Â |
Non-for-profit | 1.03 | [0.92 - 1.15] | 0.56 |
For profit | 0.91 | [0.83 - 1.01] | 0.61 |
   Specialty divisions |  |  |  |
Internal medicine | 1 | Â | Â |
Family medicine | 0.82 | [0.73 - 0.93] | < 0.01 |
Other specialties | 0.80 | [0.75 - 0.87] | < 0.01 |