Table 4 Potential factors influencing the prescription of oseltamivir to 2,242 influenza patients not at high risk
Prescription of oseltamivir, n of patients (%) | Univariate analysis | |||||
|---|---|---|---|---|---|---|
Variable | No | Yes | OR | (95% CI) | ||
Patient characteristics | ||||||
Gender | ||||||
Male | 1,039 | (47.5) | 29 | (52.7) | ref | - |
Female | 1,148 | (52.5) | 26 | (47.3) | 0.81 | (0.47 to 1.39) |
Age at diagnosis | ||||||
2 to 14 yrs | 819 | (37.4) | 16 | (29.1) | 0.69 | (0.37 to 1.29) |
15 to 24 yrs | 411 | (18.8) | 12 | (21.8) | 1.03 | (0.52 to 2.06) |
25 to 59 yrs | 957 | (43.8) | 27 | (49.1) | ref | - |
Chronic health condition not at high risk | ||||||
No | 1,754 | (80.2) | 45 | (81.8) | ref | - |
Yes | 433 | (19.8) | 10 | (18.2) | 0.90 | (0.45 to 1.80) |
Number of contacts with GP in 2009 | ||||||
<6 | 1,468 | (67.1) | 36 | (65.5) | ref | - |
6 or more | 719 | (32.9) | 19 | (34.5) | 1.08 | (0.61 to 1.89) |
Total number of prescriptions in 2009* | ||||||
<8 | 1,888 | (86.3) | 41 | (74.5) | ref | - |
8 or more | 299 | (13.7) | 14 | (25.5) | 2.16 | (1.16 to 4.00) |
Practice characteristics | ||||||
Type of practice | ||||||
Solo practice | 706 | (32.3) | 24 | (43.6) | ref | - |
Duo practice | 437 | (20.0) | 8 | (14.6) | 0.54 | (0.24 to 1.21) |
Group practice | 1,044 | (47.7) | 23 | (41.8) | 0.65 | (0.36 to 1.16) |
Dispensing practice | 101 | (4.6) | 2 | (3.6) | 0.78 | (0.19 to 3.24) |
Urbanicity practice location | ||||||
(Very) strongly urban | 1,116 | (51.0) | 27 | (49.1) | 0.84 | (0.42 to 1.68) |
Moderately urban | 418 | (19.1) | 12 | (21.8) | ref | - |
Mildly/not urban | 653 | (29.9) | 16 | (29.1) | 0.85 | (0.40 to 1.82) |