From: How are reasons for encounter associated with influenza-like illness and acute respiratory infection diagnoses and interventions? A cohort study in eight Italian general practice populations
Variable
Odds ratio (95% CI)
P value
Age over 50
0.62 (0.50–0.77)
< 0.0001*
Sex (M/F)
1.16 (0.94–1.42)
0.15
Pre-season influenza vaccination (Yes/No)
0.40 (0.29–0.54)
Constant
0.48