Table 4

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

First and second level in the hierarchical model.

95%CI = 95% confidence interval; PR = prevalence ratio.

Corrêa da Silva et al.

Corrêa da Silva et al. BMC Public Health 2012 12:339   doi:10.1186/1471-2458-12-339

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