TABLE 5.

Differences in Timed Urinary Parameters Between Lean and Obese Individuals

				p Value
	Overall	Lean	Obese	Unadjusted	Adjusted*
Urinary volume
24-h total urinary volume, l	2.70 (1.85–3.00)	2.70 (2.20–2.88)	2.64 (1.70–3.30)	0.73	0.62
Daytime urinary volume, l	1.75 (1.20–2.30)	1.75 (1.33–2.20)	1.53 (1.05–2.30)	0.77	0.84
Nighttime urinary volume, l	0.81 (0.55–1.18)	0.69 (0.55–1.03)	0.91 (0.60–1.19)	0.28	0.16
Urinary sodium
24-h total urinary sodium, mmol	394 (283–502)	392 (275–476)	403 (290–506)	0.90	0.92
Daytime urinary sodium, mmol	190 (134–343)	190 (137–394)	192 (131–279)	0.34	0.33
Nighttime urinary sodium, mmol	179 (105–200)	144 (89–200)	189 (152–214)	0.053	0.07
Urinary potassium
24-h total urinary potassium, mmol	79 (60–131)	79 (50–132)	82 (64–122)	0.78	0.31
Daytime urinary potassium, mmol	43 (31–92)	41 (31–102)	45 (33–69)	0.97	0.74
Nighttime urinary potassium, mmol	35 (24–48)	29 (21–42)	39 (27–53)	0.10	0.06

Values are median (interquartile range).

^*Adjusted for age, sex, and race.