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Table 5 Factors associated with self-medication of the adults with self-reported influenza like illness

From: Healthcare seeking behavior of patients with influenza like illness: comparison of the summer and winter influenza epidemics

Factors Univariate Multivariate
Raw OR 95 % CI p-value Adjusted OR 95 % CI p-value
Age group (years)     0.001     <0.001
 18–39 ref     ref    
 40–59 1.30 0.79 2.14 0.311 1.38 0.80 2.38 0.279
  > =60 0.27 0.12 0.60 0.001 0.26 0.11 0.60 0.002
Education     0.064     
 Primary or below ref        
 Secondary 2.14 1.12 4.07 0.021     
vTertiary or above 2.00 0.98 4.10 0.058     
Family income (Hong Kong dollar)     0.014     
  < 10000 ref        
 10000–20000 2.04 1.05 3.98 0.036     
 20000–30000 2.77 1.34 5.75 0.006     
 30000–40000 1.06 0.38 2.90 0.918     
  > 40000 2.69 1.35 5.37 0.005     
Smoking habit     0.022     0.019
 Never smoker ref     ref    
 Ex-smoker 0.41 0.19 0.93 0.033 0.55 0.23 1.31 0.178
 Occasional smoker 0.31 0.08 1.32 0.113 0.30 0.07 1.30 0.107
 Regular smoker 1.70 0.80 3.63 0.169 2.65 1.11 6.34 0.029
Symptoms         
 Runny or stuffy nose 1.59 0.99 2.56 0.057     
 Sore throat 1.55 0.97 2.49 0.068 1.75 1.04 2.97 0.036
Flu vaccination         
 2014/2015 season 0.27 0.11 0.65 0.003     
  1. Weighted data were used in this analysis. Variables in multivariate models were selected by using the forward stepwise method with the cut-off point of p-value =0.1