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. 2024 Feb 8;14:3237. doi: 10.1038/s41598-024-53899-z

Table 7.

Ranges determining the classes of variables and index used to characterize values at exposure.

VL L M H VH
1 2 3 4 5
Exposure
 Land Use Barren/Marshland, Grassland and Rockland Forests and Parks Beaches and Crops Camping and Industry Urban and Transport
 Transport No significant Local road National road Motorway Railway
 GFDI (1000€/hab)  ≤ 11.9 [11.9, 13.0[ [13.0, 13.9[ [13.9, 15.7[  ≥ 15.7
 Economic Activity (places)  ≤ 583 [583,1830[ [1830, 5030[ [5030–10696[  ≥ 10,696
 Population (hab)  ≤ 4130 [4130, 10585[ [10585, 20053[ [20053–33362[  ≥ 33,362
IEX  < 1.8 1.8–4.0 4.0–7.2 7.2–11.2  > 11.2