Table 3.

Multivariable associations for urine osmolality and volume

	Urine osmolality, mOsm/kg	Urine volume, mL/day
	β	β
Intercept	721.6***	1809.7***
Age, years	−4.79***	−2.13
Sex (male)	95.9***	117.8
Serum creatinine, mg/dL	−7.32	−298.3
Weight, kg	1.93***
Dietary measures
Animal protein g/day	1.45**
Oxalate, mg/day	−0.072
Sodium, mg/day	0.0076	−0.034
Water Intake, g	−0.058***	0.21***

Water intake includes water from food consumption

β beta estimate

*p value <0.05; **p value <0.01; ***p value <0.001