Skip to main content

Table 5 Bivariate logistic regressions between the seropositivity for Borrelia infection and environmental variables

From: Seroprevalence of Borrelia burgdorferi in Belgian forestry workers and associated risk factors

Standardized variables

OR (95% CI)

P-value

Proportion of arable lands (%)

1.26 (0.97ā€“1.65)

0.09

Proportion of grassland (%)

0.76 (0.58ā€“1.01)

0.05

Proportion of forest (unspecified type) (%)

0.86 (0.63ā€“1.08)

0.16

Proportion of hardwood forest (%)

1.29 (0.98ā€“1.70)

0.07

Proportion of conifer forest (%)

0.74 (0.55ā€“0.98)

0.04

Public forest (%)

0.82 (0.62ā€“1.08)

0.16

Roe deer density shot per direction (n/km2)

0.77 (0.59ā€“1.00)

0.05

ST3 - 5ā€“24%

1.36 (1.01ā€“1.83)

0.04

ST3 - 25ā€“49%

1.45 (1.10ā€“1.92)

0.09

ST3ā€“9 - < 5%

0.70 (0.52ā€“0.94)

0.02

ST3ā€“9 - 25ā€“49%

1.39 (1.05ā€“1.86)

0.02

ST3ā€“9 - 50ā€“75%

1.40 (1.06ā€“1.84)

0.02

ST3ā€“9 - > 75%

1.34 (1.02ā€“1.77)

0.04

  1. Abbreviations: ST 3 The amount of shadow at ground level produced by trees smaller than 3 m, ST 3ā€“9 The amount of shadow at ground level produced by trees of 3ā€“9 m high