Similar to the results for p,p′-DDT, both p,p-DDE and β-hexachlorocyclohexane showed significant or marginally significant inverse associations with serum 25-(OH)D levels only among older subjects or those with chronic disease.
← all excerpts
Associations between organochlorine pesticides and vitamin D deficiency in the U.S. population.
2
—
—
The sentences
The decrease of vitamin D was mainly observed up until the subjects had p,p′-DDT of 200 ng/g lipid, above which vitamin D showed an increasing trend with the increase of p,p′-DDT.