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Table 2 Antibiotic use by questionnaire respondents

From: Differences in antibiotic use between patients with and without a regular doctor in Hong Kong

  With a regular doctor Without a regular doctor χ 2 -test Adjusted Odds ratio (95 % CI)b Multivariable logistic regression p-value
Ever asked for antibiotics    χ 2 = 0.025, P = 0.619 1.17 (0.81, 1.70) 0.399
   Yes 129 (8.9 %) 78 (8.3 %)    
   No 1317 (91.1 %) 862 (91.7 %)    
Ever bought antibiotics over counter    χ 2 = 0.423, P = 0.516 0.98 (0.67, 1.45) 0.913
   Yes 108 (7.5 %) 77 (8.2 %)    
   No 1336 (92.5 %) 861 (91.8 %)    
Did not ask but expected antibioticsa    χ 2 = 1.700, P = 0.192 1.15 (0.88, 1.50) 0.316
   Yes 293 (22.9 %) 167 (20.4 %)    
   No 989 (77.1 %) 650 (79.6 %)    
Did not ask for antibiotics because trusting the doctora    χ 2 = 4.267, P = 0.039 1.59 (1.01, 2.49) 0.047
   Yes 1235 (94.7 %) 765 (92.6 %)    
   No 69 (5.3 %) 62 (7.4 %)    
Used antibiotics for the last URTI    χ 2 = 22.715, P < 0.000 1.76 (1.27, 2.48) <0.001
   Yes 231 (17.4 %) 89 (10.1 %)    
   No 1093 (82.6 %) 789 (89.9 %)    
Always finished the full course    χ 2 = 32.723, P < 0.000 1.81 (1.42, 2.29) <0.0001
   Yes 993 (74.2 %) 502 (62.4 %)    
   No 346 (25.8 %) 302 (37.6 %)    
Finished the full course because told by clinical staff to do so    χ 2 = 7.078 P = 0.008 1.45 (0.95, 2.19) 0.086
   Told to finish 888 (89.7 %) 424 (85.0 %)    
   Not told to finish 102 (10.3 %) 75 (15.0 %)    
  1. aRespondents who had asked for antibiotics did not answer these questions
  2. bOdds ratio adjusted for age, sex, education, income group and healthcare system