Table 1 Summary statistics of dependent and independent variables
Dependent variables | |||||
|---|---|---|---|---|---|
Label | Variable | Mean | Std. Dev. | Min. | Max. |
PUUV | total number of PUUV infections during the 1994–2004 period | 1.5 | 5.3 | 0 | 88 |
Lyme | total number of Lyme borreliosis infections during the 1998–2004 period | 7.8 | 13.5 | 0 | 104 |
Independent variables | |||||
Label | Variable | Mean | Std. Dev. | Min. | Max. |
Land cover and land use | |||||
propforest | proportion of forest area (%) | 13.7 | 17.7 | 0.0 | 83.5 |
propleaf | proportion of broad-leaved forest area (%) | 5.3 | 8.2 | 0.0 | 54.9 |
urbanisation | urbanisation level from a morphological point of view (5 categories) | 3.0 | 1.0 | 1.0 | 5.0 |
Settlement characteristics | |||||
housesep | proportion of people living in a separated house (%) | 50.3 | 20.3 | 0.7 | 87.2 |
housetwin | proportion of people living in a twinned house (%) | 20.6 | 6.6 | 1.0 | 42.0 |
houseadj | proportion of people living in an adjoining house (%) | 18.9 | 12.5 | 1.9 | 59.2 |
apartment | proportion of people living in an apartment (%) | 8.8 | 11.7 | 0.2 | 71.6 |
cottage | proportion of people living in a caravan or country cottage (%) | 0.2 | 0.5 | 0.0 | 8.0 |
Socio-economic data | |||||
income | average income per 1000 inhabitants in 2002 | 25173 | 3752 | 16916 | 39735 |
pop94_04 | average population for the 1994–2004 period | 17360 | 27585 | 86.82 | 451778 |
pop98_04 | average population for the 1998–2004 period | 17473 | 27492 | 85.57 | 448782 |
Risk behaviours | |||||
hunting | proportion of people with a hunting licence for Flemish or Walloon forests during the hunting year 2004–2005 (%) | 0.34 | 0.29 | 0.00 | 3.45 |
Host population | |||||
roedeer | density of roe deer (heads/km2) | 1.4 | 2.0 | 0.0 | 18.2 |