Table 2 Factors influencing a prescription of oseltamivir according to clinical guidelines in 351 patients with antiviral medication
Univariate analysis | Adjusted multilevel analysis | ||||
|---|---|---|---|---|---|
Variable | OR | (95% CI) | OR | (95% CI) | P-value |
Age at prescription (continuous) | 0.87 | (0.83 to 0.91) | 0.84 | (0.80 to 0.90) | <0.001 |
Age-squared | 1.00 | (1.00 to 1.00) | 1.00 | (1.00 to 1.00) | <0.001 |
Number of contacts with GP in 2009 | |||||
<6 | ref | - | ref | - | |
6 or more | 3.00 | (1.87 to 4.82) | 2.19 | (1.18 to 4.08) | 0.014 |
Total number of prescriptions in 2009* | |||||
<8 | ref | - | ref | - | |
8 or more | 4.60 | (2.80 to 7.57) | 3.24 | (1.63 to 6.42) | 0.001 |