Table 1.

Data from 7-day diaries and 24-h urine collection samples of subjects for seven consecutive days.

	Total (n = 163)		Male (n = 89)		Female (n = 74)		P
	Mean	SD	Mean	SD	Mean	SD
Energy intake (kcal/day)	1,732	511	1,807	560	1,642	433	0.037
Food sodium intake (mg/day)	1,983	814	2,102	897	1,841	680	0.036
Food potassium intake (mg/day)	2,265	653	2,345	667	2,167	627	0.084
Urine volume (L/day)	1.25	0.50	1.23	0.48	1.28	0.53	0.557
Urine Na (mg/day)	2,803.3	1,249.0	2,872.7	1,366.4	2,721.3	1,098.1	0.454
Urine K (mg/day)	2,152.2	913.3	2,084.9	910.6	2,231.8	916.5	0.320
Urine creatinine (mg/day)	121.6	48.0	125.3	51.0	117.2	44.1	0.289

Results are presented as mean (SD). P-values derived through Student’s t-test for differences between genders.