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OCR for page 534
Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate
G
U.S. Water Intake and Serum Osmolality Data from the Third National Health and Nutrition Examination Survey, 1988–1994
TABLE G-1 Estimates of Serum Osmolality by Decile of Mean Total Water Intake: United States, NHANES III, 1988–1994
Sex/Age Categorya
Decile of Total Water Intakeb
n
Total Water Intake (mL/d)
Serum Osmolality (mmol/kg)
Mean
Median
Mean
Median
M, 12–18 y
1
94
1,364
1,412
278
279
2
87
1,837
1,857
279
281
3
105
2,146
2,138
277
277
4
81
2,489
2,492
278
279
5
86
2,793
2,789
279
279
6
82
3,128
3,149
279
278
7
80
3,511
3,490
279
279
8
57
3,953
3,948
278
279
9
70
4,499
4,497
279
282
10
96
6,460
5,877
281
281
M, 19–50 y
1
380
1,694
1,763
279
279
2
336
2,322
2,339
279
278
3
287
2,667
2,660
281
282
4
278
2,984
2,974
280
281
5
296
3,310
3,308
280
282
6
307
3,691
3,692
280
279
OCR for page 535
Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate
Sex/Age Categorya
Decile of Total Water Intakeb
n
Total Water Intake (mL/d)
Serum Osmolality (mmol/kg)
Mean
Median
Mean
Median
7
312
4,133
4,122
280
281
8
276
4,727
4,689
280
280
9
304
5,555
5,502
280
280
10
315
7,934
7,279
280
281
M, 51–70 y
1
184
1,635
1,721
280
281
2
146
2,168
2,149
282
283
3
156
2,570
2,593
281
281
4
134
2,907
2,894
281
281
5
105
3,172
3,174
283
283
6
125
3,465
3,469
281
282
7
124
3,798
3,798
280
280
8
119
4,319
4,337
280
280
9
128
5,162
5,141
281
283
10
95
7,203
6,721
281
282
M, 71+ y
1
106
1,444
1,523
283
283
2
101
1,895
1,895
283
283
3
83
2,208
2,216
283
284
4
87
2,455
2,452
284
284
5
74
2,707
2,715
283
284
6
66
2,976
2,980
282
284
7
68
3,218
3,225
281
281
8
83
3,597
3,572
283
284
9
67
4,129
4,151
283
283
10
73
5,450
5,247
281
280
F, 12–18 y
1
103
943
942
278
279
2
106
1,444
1,469
278
279
3
81
1,696
1,685
276
276
4
105
1,964
1,961
276
277
5
105
2,202
2,173
276
276
6
83
2,492
2,512
278
279
7
100
2,719
2,711
278
279
8
84
3,069
3,085
277
278
9
104
3,737
3,672
278
279
10
83
5,525
5,279
277
278
F, 19–50 y
1
429
1,249
1,315
277
277
2
369
1,727
1,735
277
278
3
350
2,033
2,015
277
278
4
347
2,309
2,299
276
277
5
347
2,612
2,603
277
278
6
340
2,923
2,925
277
278
7
320
3,270
3,257
277
277
8
306
3,725
3,719
278
279
OCR for page 536
Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate
Sex/Age Categorya
Decile of Total Water Intakeb
n
Total Water Intake (mL/d)
Serum Osmolality (mmol/kg)
Mean
Median
Mean
Median
9
281
4,298
4,267
277
277
10
353
6,163
5,426
277
278
F, 51–70 y
1
174
1,321
1,382
281
281
2
135
1,836
1,854
280
281
3
147
2,102
2,117
280
280
4
130
2,388
2,406
280
281
5
134
2,682
2,682
281
282
6
151
2,969
2,971
280
281
7
135
3,301
3,291
281
281
8
127
3,704
3,720
280
279
9
129
4,230
4,216
281
281
10
141
5,807
5,331
279
280
F, 71+ y
1
110
1,191
1,242
282
283
2
102
1,649
1,656
282
282
3
101
1,957
1,953
282
282
4
87
2,193
2,190
281
281
5
79
2,382
2,378
283
283
6
92
2,589
2,591
282
283
7
84
2,883
2,882
283
282
8
99
3,173
3,152
281
281
9
79
3,599
3,601
280
281
10
88
4,852
4,646
282
283
a M = male, F = female.
b Total water intake reflects the sum of drinking water and the water content of foods and beverages.
NOTE: Data are limited to individuals who provided a valid response to a question on usual plain drinking water intake, provided a complete and reliable 24-hour dietary recall, and had a serum osmolality measurement. Females who were pregnant, lactating, or had “blank but applicable” pregnancy or lactating status data or who responded “I don’t know” to questions on pregnancy or lactating status were excluded from the analysis.
DATA SOURCE: U.S. Department of Health and Human Services, National Center for Health Statistics, Third National Health and Nutrition Examination Survey (NHANES III), 1988–1994.
SOURCE: ENVIRON International Corporation (2002).
Representative terms from entire chapter:
total water