Environmental factor

p value

IC, 95%

Effect size

Hectares of planted area per inhabitant, 1980-1999¹

0.02

[0.36-4.8]

0.595

Hectares of planted area per inhabitant, 2000-2019¹

0.8

[-6.1-3.4]

-

Population exposed to high arsenic levels (%)¹

0.008

[22-89]

0.718

Hectares of planted area per inhabitant, 1980-1999²

0.008

[0.83-inf]

0.595

Hectares of planted area per inhabitant, 2000 2019²

0.6

[-5.57-inf]

-

Population exposed to high arsenic levels (%)²

0.004

[29-inf]

0.718