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Table 4 Logistic regression models presenting the association between effective, ineffective lids compared to no lids on presence of larvae among study households sampled in El Salvador, Guatemala, and Honduras from August to October 2018

From: Use of effective lids reduces presence of mosquito larvae in household water storage containers in urban and peri-urban Zika risk areas of Guatemala, Honduras, and El Salvador

 

Washbasins (n = 1735)

Containers (n = 654)

Model 1a

Model 2a

Model 3a

Model 4a

OR

95% Confidence interval

OR

95% Confidence interval

OR

95% Confidence interval

OR

95% Confidence interval

No lid

Ref.

 

Ref.

 

Ref.

 

Ref.

 

Ineffective lid

1.222

0.714, 2.091

1.174

0.672, 2.053

0.388**

0.214, 0.703

0.410***

0.223, 0.752

Effective lid

0.36*

0.128, 1.000

0.336

0.109, 1.031

0.067***

0.028, 0.156

0.064***

0.029, 0.152

Received a visit from a health worker

0.542***

0.403, 0.728

0.455**

0.271, 0.764

Wealth tertile 1, (poorest)

Ref.

 

Ref.

 

Tertile 2 (medium)

0.805

0.570, 1.137

1.452

0.819, 2.577

Tertile 3 (wealthiest)

0.587**

0.397, 0.867

1.094

0.536, 2.234

More mosquitoes around (vs. same or fewer)

1.705**

1.240, 2.346

1.350

0.792, 2.301

Scrubbed container in last 7 days

0.322***

0.229, 0.452

0.378**

0.256, 0.557

0.439**

0.258, 0.746

0.483*

0.260, 0.899

Frequency of use (every day, vs. less frequent use)

2.309***

1.503, 3.547

NA

 

NA

 
  1. NA this variable was not available for analysis
  2. aAll models adjust for country
  3. Statistical significance denoted as *p < 0.05; **p < 0.01; ***p < 0.001