Table 3.

Relationship between HFCS sweetened drink, diet soft drinks intake and serum sodium in different models

Intake, servings/day	Model I		Model II		Model III		Model IV
	β (95%CI)a	p-value	β (95%CI)a	p-value	β (95%CI)a	p-value	β (95%CI)a	p-value
HFCS Sweetened drinks	(n = 5396)		(n = 2547)		(n = 2547)		(n = 2547)
Per 1 serving increment	0.05 (− 0.02,0.11)	0.185	0.06 (−0.06,0.18)	0.281	0.05 (0.00,0.11)	0.044	0.05 (0.00,0.11)	0.049
Quantiles
Q1	Reference		Reference		Reference		Reference
Q2	0.32 (0.17,0.58)	0.003	0.39 (0.06,0.74)	0.026	0.16 (0.00,0.33)	0.051	0.16 (−0.02,0.34)	0.065
Q3	0.22 (− 0.02,0.42)	0.070	0.19 (− 0.16,0.53)	0.255	0.19 (0.02,0.37)	0.038	0.19 (0.00,0.38)	0.049
Q4	0.32 (0.09,0.53)	0.009	0.34 (−0.08,0.72)	0.093	0.21 (0.07,0.36)	0.014	0.21 (0.05,0.37)	0.020
P for trend		0.105		0.139		0.047		0.051
Diet soft drinks	(n = 2371)		(n = 1535)		(n = 1535)		(n = 1535)
Per 1 serving increment	0.06 (−0.02,0.14)	0.138	0.06 (−0.05,0.18)	0.279	0.00 (−0.04,0.04)	0.956	0.00 (−0.04,0.05)	0.967
Quantiles
Q1	Reference		Reference		Reference		Reference
Q2	0.08 (−0.19,0.35)	0.561	0.10 (−0.21,0.42)	0.492	0.06 (−0.12,0.23)	0.459	0.05 (−0.14,0.24)	0.513
Q3	0.11 (−0.18,0.40)	0.467	0.27 (−0.08,0.63)	0.118	0.06 (−0.10,0.22)	0.410	0.05(−0.12,0.23)	0.448
Q4	0.23 (−0.04,0.50)	0.116	0.26 (−0.15,0.67)	0.191	0.06 (−0.14,0.25)	0.498	0.05 (−0.15,0.26)	0.530
P for trend		0.093		0.321		0.759		0.760

Model I adjusted for age, sex and race

Model II adjusted for Model I + education, poverty income ratio, physical activity, total energy, history of hypertension

Model III adjusted for Model II + BMI, diuretics use, serum potassium, serum chloride, osmolality, eGFR, and intake of dietary sodium, total moisture

Model IV adjusted for Model III + serum uric acid

Abbreviations: CI Confidence interval, HFCS High fructose corn syrup

^aValues are β coefficients (95% CIs)