Table 2. Best fitting logistic regression model, by Akaike’s Information Criterion, for vaccination uptake during 2011–2012 season (Hosmer–Lemeshow goodness-of-fit test P value = 0.71).
| Vaccine uptake during the 2011–2012 season | ||
|---|---|---|
| Crude OR (95% CIs) |
Adj OR (95% CIs)* |
|
| Age, in years | ||
| ≤29 | referent | referent |
| >29 | 1.37 (1.08–1.76)b | 1.53 (1.11–2.11)b |
| Influenza vaccination in 2009–2010 season | ||
|---|---|---|
| no | referent | referent |
| yes, seasonal | 29.76 (20.83–42.52)a | 4.42 (2.78–7.05)a |
| yes, pandemic | 4.9 (2.94–8.17)a | 1.98 (1.08–3.62)c |
| yes, both pandemic and seasonal | 18.06 (12.62–25.85)a | 2.97 (1.84–4.79)a |
| Influenza vaccination in 2010–2011 season | ||
|---|---|---|
| No | referent | referent |
| Yes | 42.14 (30.83 – 57.6)a | 17.66 (11.92–26.17)a |
| Attitude to recommend influenza vaccination to patients | ||
|---|---|---|
| No, there were no occasions for recommending influenza vaccination | referent | referent |
| No, not recommended | NC | NC |
| No, leaving patients to their free will | 0.89 (0.48–1.67)d | 0.94 (0.44–1.99)d |
| Yes, according to the Italian Health Ministry recommendations | 2.82 (1.85–4.28)a | 1.99 (1.19–3.34)b |
| Yes, according to own clinical evaluation | 2.48 (1.6–3.84)a | 1.98 (1.15–3.41)c |
aP < 0.001. bP < 0.01. cP < 0.05. dP ≥ 0.05. NC, not calculable due to absences of vaccinated subjects *Adjusted for gender, year after degree, year of residency, and main specialty duties.