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Table 6 Linear regression model of predictors of higher expenditures for antimalarial drugs

From: Malaria treatment in the retail sector: Knowledge and practices of drug sellers in rural Tanzania

   Univariate model Multivariate model
Risk factors n Estimated effect (95% CI) P* Estimated effect (95% CI) P*
Case scenario      
- Child 2–4 months 20 1   1  
- Child 1–4 years 22 -0.12 (-0.42 to 0.18) 0.423 -0.16 (-0.37 to 0.05) 0.124
- Adult 26 -0.15 (-0.44 to 0.13) 0.285 -0.25 (-0.45 to -0.06) 0.012
Number of products 68 0.19 (0.11 to 0.27) <0.001 0.12 (0.05 to 0.19) 0.001
Shop type      
- General shop 50 1   1  
- Drug store 18 0.75 (0.56 to 0.95) <0.001 0.59 (0.38 to 0.80) <0.001
Location      
- Ifakara 15 1   1  
- DSS 53 -0.11 (-0.39 to 0.17) 0.434 -0.06 (-0.24 to 0.13) 0.548
  1. *Wald test of significance of effect