Table 4.

Odds Ratio (95% Confidence Interval) of Chronic Kidney Disease by Quartiles of Dietary Potassium Intake

Potassium Intake (mg/day)	≤ 1737	1737–2455	2455–3341	> 3342
Unadjusted	1.72 (1.39 to 2.12)	1.59 (1.30 to 1.94)	1.22 (1.00 to 1.49)	1.00 (REF)
Model 1	1.51 (1.20 to 1.88)	1.21 (0.98 to 1.49)	1.01 (0.81 to 1.27)	1.00 (REF)
Model 2	1.44 (1.16 to 1.79)	1.19 (0.97 to 1.46)	1.00 (0.80 to 1.24)	1.00 (REF)

Model 1: Adjusted for age, sex, race/ethnicity, body mass index, diabetes and hypertension

Model 2: Adjusted for covariates in Model 1 plus congestive heart failure and cardiovascular disease