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Table 4 Adjusted and crude analysis of the variables associated with self-medication

From: Self-medication in university students from the city of Rio Grande, Brazil

  Bivariate Analysis Multivariate Analysis
Variable PR (95%CI) p PR (95% CI) p
Employment    0.02   0.41  
 No 1.00    1.00   
 Yes 0.91 (0.842–0.988)   0.96 (0.880–1.055)  
Partner    0.03    0.75
 No 1.00    1.00   
 Yes 0.90 (0.821–0.992)   1.02 (0.920–1.22)  
Children    0.00    0.014
 No 1.00    1.00   
 Yes 0.80 (0.690–0.933)   0.83 (0.712–0.963)  
Age    0.02    0.45
 > 30 1.00    1.00   
 20–30 1.22 (1.05–1.41)     
 ≤ 19 1.24 (1.06–1.44)   1.03 (0.962–1.092)  
Sex    0.01    0.03
 Female 1.00    1.00   
 Male 0.92 (0.87–0.98)   0.93 (0.879–0.993)  
Illicit drug use    0.38    0.05
 No 1.00    1.00   
 Yes 1.00 (0.95–1.13)   1.09 (1.001–1.180)  
Home pharmacy    0.00    0.00
 No 1.00    1.00   
 Yes 1.40 (1.21–1.62)   1.39 (1.201–1.606)  
  1. First and second level in the hierarchical model.
  2. 95%CI = 95% confidence interval; PR = prevalence ratio.