For rs762551 of CYP1A2, CKD prevalence was lower among those with higher coffee intake only in the AC genotype, with an OR of 0.53 (Model 3: 95% CI 0.33 to 0.83), with no such differences in CKD prevalence according to coffee intake in each of the other genotypes of rs762551. The gene discussed is CYP1A2; the disease is chronic kidney disease.