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Table 6 The probability of chloroquine therapeutic failiure as a function of transmission level and spraying history: variables in the equation

From: Association of house spraying with suppressed levels of drug resistance in Zimbabwe

  

B

S.E.

Wald

df

Sig.

*Exp(B)

95.0% C.I. for EXP(B)

        

Lower

Upper

Step 1(a)

Transmission level (1)

-1.863

0.419

19.780

1

0.000

0.155

0.068

0.353

 

Last annual spraying (1)

1.411

0.409

11.879

1

0.001

4.099

1.838

9.142

 

Study year

  

13.037

4

0.011

   
 

Study year (1)

-0.728

0.290

6.317

1

0.012

0.483

0.274

0.852

 

Study year (2)

-0.400

0.317

1.589

1

0.207

0.671

0.360

1.248

 

Study year (3)

-0.224

0.440

0.259

1

0.611

0.799

0.338

1.892

 

Study year (4)

0.262

0.445

0.346

1

0.556

1.299

0.543

3.109

 

Constant

-0.157

0.407

0.149

1

0.700

0.855

  
  1. a Variable(s) entered on step 1: Transmission, Last annual spraying, Study year.
  2. * corresponds to odds ratio for therapeutic failure