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Table 4 Potential risk factors for TOSV infection according to logistic regression models to estimate crude and adjusted odds ratio values

From: Seroprevalence of Toscana virus in blood donors in mainland Portugal

Potential risk factor

Univariate

Multivariate

% in Sample

Crude OR

95% CI

Adjusted OR

95% CI

p-value

Age ≥ 50 years old

21.3

1.93

1.35–2.77

1.70

1.04–2.77

0.033*

Male sex

49.8

1.18

0.84–1.66

1.14

0.74–1.76

0.542

Residing in Alentejo

10.0

2.54

1.67–3.86

3.05

1.85–5.02

 < 0.001*

Basic education level

18.2

1.74

1.19–2.57

1.61

0.95–2.73

0.074

Outdoor activities at night

24.6

1.45

0.99–2.13

1.45

0.92–2.29

0.108

Retired or profession 4–9a

45.4

1.59

1.08–2.35

1.26

0.80–1.97

0.320

Pos/Bd Leishmania serology

7.8

1.64

0.97–2.77

2.31

1.29–4.15

0.005*

Constant

   

0.018

 

 < 0.001

Hosmer-Lemeshow test

   

Sig. = 0.192

  1. aClerical support workers; service and sales workers; skilled agricultural, forestry and fishery workers; craft and related trades workers; plant and machine operators and assemblers; elementary occupations
  2. CI, confidence interval; OR, odds ratio; Pos/bd, positive/borderline
  3. *Statistically significant
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Parasites & Vectors

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