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. Author manuscript; available in PMC: 2024 Feb 24.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2022 Aug 24;34(2):294–307. doi: 10.1038/s41370-022-00467-0

Table 5.

Sensitivity and specificity in pixels of cultivated crops and non-cultivated land within 0.5 km of each participant-home between ground-truthing and combinations of satellite-derived estimates

Method Overall agreement1 (%) Sensitivity (%) Specificity (%)
CropScape or NLCD Crop2 85.4 95.1 84.9
CropScape or Landsat-dervied NDVI902 51.3 94.5 48.3
CropScape or Landsat-derived NDVI902 70.1 93.2 68.4
NLCD Crop or Landsat752 51.6 95.4 48.5
NLCD Crop or Landsat902 70.4 93.3 68.7
CropScape and NLCD Crop3 90.7 75.5 91.2
CropScape and Landsat-dervied NDVI753 92.8 68.3 94.5
CropScape and Landsat-derived903 93.8 58.5 96.2
NLCD Crop and Landsat753 92.9 68.5 94.6
NLCD Crop and Landsat903 93.8 59.6 96.2
1

Overall agreement in area designated as cultivated crops vs. non-cultivated area

2

Area considered cultivated land if either comparison method designated it as cultivated land

3

Area considered cultivated land if both comparison methods designated it as cultivated land