Table 3 Correlation coefficients between (food products, soil and water).

From: Investigation and risk assessment of fluoride concentration in drinking water, soil and food products in Hamedan rural areas

Factor

Drinking water

     

Tomato

0.58 P = 0.004

Tomato

    

Onion

0.6 P = 0.001

0.53 P = 0.01

Onion

   

Cucumber

0.8 P = 0.001

0.53 P = 0.001

0.68 P = 0.011

Cucumber

  

Potato

0.7 P = 0.002

0.56 P = 0.05

0.53 P = 0.03

0.62 P = 0.003

Potato

 

Soil

0.58 P = 0.021

0.48 P = 0.05

0.5 P = 0.03

0.4 P = 0.041

0.63 P = 0.041

Soil

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