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Table 4 Multivariable logistic regression analysis of the bio-efficacy and permethrin content of sampled Olyset campaign nets

From: Durability of Olyset campaign nets distributed between 2009 and 2011 in eight districts of Tanzania

Explanatory variables

Pass cone assay criteria

Above 15 g/kg permethrin

Odds ratio

95 % CI

P value

Odds ratio

95 % CI

P value

Net age (in months since initial distribution)

 Old nets (>25)

1

  

1.0

  

 Newer Nets (≤25)

0.9

0.5–1.9

0.9

2.1

0.8–5.3

0.11

Physical condition of net

 Net in unserviceable condition

1

  

1.0

  

 Net in serviceable condition

2.4

1.3–4.4

0.04

4.1

2.0–8.5

0.001

  1. Italic values indicate significance of p value (p < 0.05)