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Table 1 Spatially resolved data types and approaches used to homogenize spatial coverage

From: Building spatial composite indicators to analyze environmental health inequalities on a regional scale

Indicator

Variables

Sources

Resolution and variable combination

Spatial operation

Socioeconomic Indicator (SI)

Median household income

French census

Vector data from the IRIS.

Spatial population-weighted aggregation

Percentage high school graduates

Rey et al. [25]

Percentage workers

Unemployment rate

Exposure Indicator (EI)

- Nickel-Ni,

Caudeville et al. [24].

Raster data of 1 km2 grid

Spatial aggregation

- Cadmium-Cd,

- Lead-Pb

Health Indicator (HI)

Lip, oral cavity and pharynx cancer mortality

Regional Health Observatory of

Vector data from the county database

Poisson kriging

Pleural cancer mortality

Picardy. [22].