Parameter

Level

Risk ratio

Lower CL

Upper CL

Z

Prob (Z)


Deltamethrin

Intercept
 
1.058

0.817

1.369

0.426

0.670

Year
 
0.549

0.458

0.657

−6.538

<0.001

Cumulative IRS
 
1.380

0.994

1.917

1.925

0.054

Net ownership

1 = High

1.272

0.737

2.195

0.864

0.388

Previous year

2 = Low

Ref.

Ref.

Ref.
  
Permethrin

Intercept
 
3.267

2.456

4.347

8.127

<0.001

Year
 
0.541

0.466

0.628

−8.086

<0.001

Cumulative IRS
 
1.122

0.836

1.506

0.769

0.442

Net ownership

1 = High

0.754

0.487

1.169

−1.261

0.207

Previous year

2 = Low

Ref.

Ref.

Ref.
  
Bendiocarb

Intercept
 
2.429

1.346

4.382

2.946

0.003

Year
 
0.410

0.327

0.514

−7.736

<0.001

Cumulative IRS
 
1.202

0.929

1.555

1.396

0.163

Net ownership

1 = High

1.680

0.862

3.275

1.524

0.128

Previous year

2 = Low

Ref.

Ref.

Ref.
  
Propoxur

Intercept
 
51.025

12.451

209.101

5.464

<0.001

Year
 
0.102

0.042

0.245

−5.106

<0.001

Cumulative IRS
 
0.982

0.299

3.225

−0.030

0.976

Net ownership

1 = High

0.509

0.088

2.955

−0.753

0.452

Previous year

2 = Low

Ref.

Ref.

Ref.
  
DDT

Intercept
 
23.061

6.447

82.487

4.826

<0.001

Year
 
0.885

0.618

1.265

−0.671

0.502

Cumulative IRS
 
0.601

0.219

1.652

−0.987

0.324

Net ownership

1 = High

0.163

0.039

0.692

−2.461

0.014

Previous year

2 = Low

Ref.

Ref.

Ref.
  
 The probability that an individual mosquito died was modeled in a logistic regression using generalized estimating equations and adjusting for repeated measures within the same exposure tube