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OCR for page 416
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
C
Dietary Intake Data from the Third National Health and Nutrition Examination Survey (NHANES III), 1988–1994
TABLE C-1 Dietary Vitamin C Intake (mg): Mean and Selected Percentiles, United States, NHANES III, 1988–1994
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
Both sexes, 0–6 mo
413
93.9
55.0
64.0
Standard error
6.5
2.5
4.0
Both sexes, 7–12 mo
579
110.2
56.0
69.0
Standard error
4.4
3.3
3.8
Both sexes, 1–3 y
3,623
91.5
50.0
60.0
Standard error
1.7
1.3
1.3
Both sexes, 4–8 y
4,663
104.6
57.0
68.0
Standard error
2.2
5.7
4.9
M, 9–13 y
1,262
109.9
42.0
56.0
Standard error
4.7
2.6
3.0
M, 14–18 y
938
128.0
41.0
57.0
Standard error
6.0
2.0
2.6
M, 19–30 y
1,960
122.2
39.0
55.0
Standard error
3.9
2.1
2.6
M, 31–50 y
2,611
115.1
37.0
52.0
Standard error
3.2
1.5
1.7
M, 51–70 y
2,029
110.6
33.0
47.0
Standard error
4.6
1.8
2.3
M, 71+ y
1,321
103.9
36.0
50.0
Standard error
3.3
1.3
1.6
OCR for page 417
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
69.0
78.0
91.0
107.0
124.0
135.0
157.0
4.8
5.5
7.7
10.7
10.8
9.5
7.4
76.0
90.0
108.0
127.0
147.0
160.0
186.0
3.8
3.8
4.3
5.2
6.1
6.9
10.6
65.0
76.0
89.0
105.0
120.0
130.0
151.0
1.4
1.5
1.7
2.0
2.4
2.7
3.5
75.0
87.0
103.0
120.0
137.0
148.0
170.0
4.4
3.3
2.3
2.8
4.8
6.4
10.1
65.0
82.0
105.0
132.0
162.0
181.0
223.0
3.3
3.8
4.6
5.7
7.2
8.4
11.4
68.0
89.0
119.0
157.0
199.0
228.0
293.0
3.1
4.1
5.6
7.7
10.3
12.3
17.2
65.0
85.0
114.0
150.0
190.0
217.0
278.0
2.9
3.4
3.8
4.9
7.1
9.2
14.9
62.0
81.0
108.0
141.0
178.0
203.0
258.0
1.9
2.3
2.9
4.0
5.6
6.8
10.1
57.0
76.0
103.0
137.0
174.0
200.0
256.0
2.5
3.1
4.2
5.8
8.0
9.8
14.2
59.0
76.0
99.0
126.0
155.0
175.0
215.0
1.8
2.2
3.0
4.3
5.9
7.3
10.4
OCR for page 418
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
TABLE C-1 Continued
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
F, 9–13 y
1,279
103.2
47.0
60.0
Standard error
5.7
2.4
2.9
F, 14–18 y
707
94.4
32.0
44.0
Standard error
6.3
2.8
3.6
F, 19–30 y
1,106
84.1
31.0
42.0
Standard error
4.7
2.8
3.6
F, 31–50 y
2,644
90.0
32.0
43.0
Standard error
2.6
1.9
2.1
F, 51–70 y
2,143
102.4
35.0
49.0
Standard error
3.5
2.1
2.3
F, 71+ y
1,436
102.8
45.0
58.0
Standard error
2.6
1.8
1.9
Pregnant
214
124.0
49.0
65.0
Standard error
11.3
6.4
9.4
Lactating
100
136.8
50.0
65.0
Standard error
21.0
13.8
20.2
All individuals (+P/L)
29,022
105.5
46.0
58.0
Standard error
1.3
3.5
3.2
All individuals
28,714
105.3
45.0
58.0
Standard error
1.2
3.3
3.0
NOTE: Estimated mean and standard deviation, and selected percentiles of the usual intake distribution of vitamin C, computed using intake from food sources alone. Dietary intake data are from NHANES III, and the distribution was adjusted using C-SIDE and the method presented in Nusser SM, Carriquiry AL, Dodd KW, Fuller WA. 1996. A semiparametric transformation approach to estimating usual daily intake distributions. J Am Stat Assoc 91:1440–1449. Data corresponding to age groups 0–6 months, 7–12 months, and 1–3 years of age were not adjusted because no replicate vitamin C intake data are available for children under 3 years.
OCR for page 419
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
67.0
82.0
100.0
121.0
143.0
158.0
187.0
3.4
4.5
5.9
7.1
8.1
8.8
11.0
52.0
68.0
89.0
115.0
144.0
163.0
205.0
4.0
4.9
6.1
7.5
9.7
11.9
19.4
48.0
61.0
79.0
102.0
126.0
142.0
179.0
4.0
4.4
4.7
5.2
6.3
7.6
11.6
51.0
65.0
85.0
109.0
136.0
154.0
194.0
2.2
2.3
2.6
3.1
4.1
4.9
7.0
57.0
74.0
97.0
125.0
154.0
173.0
215.0
2.4
2.7
3.3
4.6
6.3
8.0
12.7
66.0
81.0
100.0
122.0
144.0
158.0
188.0
2.1
2.2
2.5
3.0
3.7
4.2
5.4
75.0
93.0
119.0
148.0
180.0
202.0
247.0
10.9
12.3
12.3
12.0
13.1
14.3
17.9
75.0
98.0
130.0
169.0
208.0
232.0
274.0
22.6
23.7
22.5
23.7
28.4
30.9
32.6
66.0
82.0
102.0
125.0
150.0
166.0
201.0
2.8
2.1
1.3
2.2
4.4
6.1
10.0
66.0
81.0
101.0
125.0
150.0
167.0
203.0
2.7
2.0
1.2
2.2
4.3
6.0
9.9
a M = male, F = female.
SOURCE: Iowa State University Department of Statistics, 1999.
OCR for page 420
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
TABLE C-2 Total (Diet + Supplements) Vitamin C Intake (mg): Mean and Selected Percentiles, United States, NHANES III, 1988–1994
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
Both sexes, 0–6 mo
413
100.3
54.9
65.5
Both sexes, 7–12 mo
579
122.5
62.8
70.9
Both sexes, 1–3 y
3,623
121.1
53.0
62.8
Both sexes, 4–8 y
4,663
136.2
58.7
70.9
M, 9–13 y
1,262
143.2
44.1
59.2
M, 14–18 y
938
156.7
37.3
60.8
M, 19–30 y
1,960
172.9
36.3
59.5
M, 31–50 y
2,611
187.1
36.4
55.8
M, 51–70 y
2,029
199.4
34.0
49.8
M, 71+ y
1,321
176.3
38.2
52.5
F, 9–13 y
1,279
129.8
44.2
63.5
F, 14–18 y
707
145.5
31.1
50.1
F, 19–30 y
1,106
121.9
31.1
44.4
F, 31–50 y
2,644
165.1
31.0
48.1
F, 51–70 y
2,143
202.4
37.7
52.3
F, 71+ y
1,436
192.3
46.8
62.2
Pregnant
214
192.7
68.9
77.7
Lactating
100
195.9
60.5
76.6
All individuals (+P/L)
29,022
167.2
45.5
61.9
All individuals
28,714
186.9
44.6
61.0
NOTE: Estimated mean and selected percentiles of the usual intake distribution of vitamin C, computed using intakes from food and supplement sources. Dietary intake data are from NHANES III. Intakes from food were adjusted using C-SIDE and the method presented by Nusser SM, Carriquiry AL, Dodd KW, Fuller WA. 1996. A semiparametric transformation approach to estimating usual daily intake distributions. J Am Stat Assoc 91:1440–1449. However, intakes from supplements are unadjusted, so the day-to-day variability in intakes may not have been totally removed from the data. Standard errors were not available for this data set.
OCR for page 421
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
73.0
79.4
95.5
113.6
137.1
145.5
194.0
77.6
94.9
114.1
139.4
165.3
177.7
423.9
70.1
83.7
104.4
137.6
168.2
190.7
378.7
79.3
95.3
117.7
151.0
185.3
256.8
395.1
65.9
85.6
119.3
158.3
216.6
334.6
598.3
72.1
91.9
126.3
182.3
254.8
358.8
617.0
68.6
91.1
127.1
177.7
264.0
400.4
1,176.1
66.6
88.7
121.3
175.9
293.3
503.2
1,237.8
62.9
84.3
123.5
186.9
372.9
629.5
1,301.6
64.1
82.5
118.0
169.4
349.1
605.8
1,131.6
70.2
87.5
111.7
141.3
188.9
232.7
621.3
55.0
68.9
94.2
130.7
179.6
226.4
723.0
52.9
67.0
90.1
129.2
176.6
233.8
721.6
55.4
72.8
102.3
151.4
311.6
552.2
1,132.9
63.5
86.0
123.7
185.9
422.1
655.7
1,236.1
70.8
89.7
119.2
175.0
386.0
607.9
1,178.6
96.7
129.4
185.0
237.1
266.7
359.6
540.0
103.9
137.2
181.9
236.4
287.8
296.7
418.6
70.6
88.1
116.3
158.8
246.3
427.6
1,131.0
69.6
87.4
115.9
158.1
246.7
430.3
1,131.2
a M = male, F = female.
SOURCE: Iowa State University Department of Statistics, 1999.
OCR for page 422
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
TABLE C-3 Dietary Vitamin E Intake (α-Tocopherol Equivalents, mg): Mean and Selected Percentiles, United States, NHANES III, 1988–1994
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
Both sexes, 0–6 mo
414
12.3
7.5
8.8
Standard error
0.3
0.3
0.3
Both sexes, 7–12 mo
579
8.5
4.1
4.8
Standard error
0.3
0.2
0.3
Both sexes 1–3 y
3,624
5.5
3.4
3.9
Standard error
0.1
0.1
0.1
Both sexes, 4–8 y
4,664
7.2
4.7
5.3
Standard error
0.2
1.0
0.8
M, 9–13 y
1,262
9.1
5.1
6.0
Standard error
0.5
0.3
0.3
M, 14–18 y
938
12.0
5.9
6.8
Standard error
1.9
0.3
0.4
M, 19–30 y
1,960
11.6
6.8
7.9
Standard error
0.5
0.3
0.3
M, 31–50 y
2,611
12.1
6.3
7.6
Standard error
0.7
0.7
0.8
M, 51–70 y
2,029
10.6
5.3
6.3
Standard error
0.2
0.2
0.2
M, 71+ y
1,322
9.8
4.8
5.8
Standard error
0.4
0.2
0.2
F, 9–13 y
1,279
7.8
4.1
4.9
Standard error
0.2
0.1
0.2
F, 14–18 y
707
7.9
4.0
4.8
Standard error
0.5
0.2
0.3
F, 19–30 y
1,106
8.5
4.3
5.2
Standard error
0.4
0.3
0.4
F, 31–50 y
2,644
8.2
4.3
5.2
Standard error
0.3
0.3
0.3
F, 51–70 y
2,145
7.7
3.5
4.4
Standard error
0.3
0.3
0.3
F, 71+ y
1,436
8.0
4.1
4.9
Standard error
0.3
0.3
0.3
Pregnant
214
10.1
5.0
6.3
Standard error
1.2
0.5
0.7
Lactating
100
12.0
6.6
7.7
Standard error
1.5
0.6
0.8
All individuals (+P/L)
29,028
9.2
5.3
6.2
Standard error
0.1
0.7
0.6
All individuals
28,720
9.3
5.1
6.0
Standard error
0.1
0.7
0.6
NOTE: Estimated mean and standard deviation, and selected percentiles of the usual intake distribution of vitamin E, computed using intake from food sources alone. Dietary intake data are from NHANES III, and the distribution was adjusted using C-SIDE and the method presented in Nusser SM, Carriquiry AL, Dodd KW, Fuller WA. 1996. A semiparametric transformation approach to estimating usual daily intake distributions. J Am Stat Assoc 91:1440–1449. Data corresponding to age groups 0–6 months, 7–12 months, and 1–3 years of age were not adjusted because no replicate vitamin E intake data are available for children under 3 years.
OCR for page 423
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
9.5
10.7
12.2
13.7
15.2
16.1
17.8
0.3
0.3
0.4
0.4
0.4
0.5
0.6
5.3
6.4
8.2
10.3
12.1
13.1
14.8
0.4
0.5
0.4
0.6
0.8
0.7
0.6
4.1
4.7
5.3
6.1
6.9
7.4
8.5
0.1
0.1
0.1
0.1
0.2
0.2
0.3
5.7
6.3
7.1
8.1
9.0
9.6
10.9
0.7
0.5
0.3
0.3
0.6
0.9
1.5
6.5
7.5
8.8
10.4
12.0
13.2
15.7
0.3
0.3
0.4
0.6
0.7
0.8
1.1
7.6
9.2
11.3
13.8
17.2
19.7
25.4
0.5
0.8
1.2
2.3
4.2
6.0
11.4
8.5
9.8
11.4
13.2
15.0
16.1
18.4
0.3
0.4
0.5
0.7
0.7
0.8
1.0
8.4
9.9
11.7
13.9
16.3
17.8
21.3
0.8
0.8
0.8
0.8
0.9
1.0
1.3
7.0
8.4
10.1
12.4
14.9
16.6
20.7
0.2
0.2
0.2
0.3
0.4
0.6
1.0
6.4
7.6
9.3
11.4
13.9
15.7
20.0
0.3
0.2
0.3
0.5
0.9
1.1
1.9
5.4
6.4
7.5
9.0
10.5
11.5
13.9
0.3
0.2
0.3
0.3
0.3
0.3
0.5
5.4
6.3
7.6
9.2
10.9
12.1
14.7
0.3
0.3
0.4
0.6
0.8
1.0
1.5
5.8
6.9
8.2
9.9
11.6
12.8
15.6
0.4
0.4
0.4
0.6
0.7
0.7
2.1
5.7
6.7
8.0
9.5
11.1
12.1
14.3
0.3
0.3
0.3
0.3
0.5
0.6
0.9
4.9
6.0
7.4
9.1
11.0
12.3
15.1
0.3
0.3
0.3
0.3
0.5
0.7
1.1
5.4
6.4
7.7
9.3
11.0
12.2
14.7
0.3
0.2
0.3
0.4
0.6
0.8
1.2
7.0
8.3
9.8
11.6
13.5
14.9
18.1
0.9
1.1
1.2
1.4
1.7
1.9
2.5
8.4
9.8
11.6
13.8
16.1
17.7
21.2
0.9
1.1
1.4
1.8
2.3
2.7
3.5
6.7
7.7
9.0
10.4
11.5
12.9
14.9
0.5
0.4
0.2
0.3
0.7
1.0
1.6
6.6
7.8
8.9
10.5
12.0
13.1
15.3
0.5
0.4
0.2
0.3
0.7
0.9
1.6
a M = male, F = female.
SOURCE: Iowa State University Department of Statistics, 1999.
OCR for page 424
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
TABLE C-4 Dietary α-Tocopherol Intake (mg): Mean and Selected Percentiles, United States, NHANES III, 1988–1994
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
Both sexes, 4–8 y
3,455
5.7
4.2
4.6
Standard error
0.1
2.2
1.8
M, 9–13 y
1,223
7.4
1.6
2.6
Standard error
0.3
0.1
0.1
M, 14–18 y
913
9.9
1.5
2.6
Standard error
1.6
0.1
0.2
M, 19–30 y
1,905
9.6
2.1
3.6
Standard error
0.3
0.1
0.2
M, 31–50 y
2,532
9.6
2.2
3.5
Standard error
0.2
0.1
0.1
M, 51–70 y
1,943
8.9
1.8
2.9
Standard error
0.2
0.1
0.2
M, 71+ y
1,256
8.2
1.6
2.5
Standard error
0.4
0.1
0.1
F, 9–13 y
1,241
6.3
1.5
2.3
Standard error
0.2
0.1
0.1
F, 14–18 y
1,029
6.9
1.2
2.4
Standard error
0.4
0.1
0.2
F, 19–30 y
2,204
7.1
1.4
2.4
Standard error
0.2
0.1
0.1
F, 31–50 y
3,060
7.4
1.7
2.8
Standard error
0.3
0.1
0.1
F, 51–70 y
2,080
6.6
1.4
2.4
Standard error
0.3
0.1
0.1
F, 71+ y
1,369
6.5
1.3
2.0
Standard error
0.3
0.1
0.1
All individuals
29,136
7.5
3.0
3.9
Standard error
0.1
0.3
0.3
NOTE: Estimated mean and standard deviation, and selected percentiles of the usual intake distribution of vitamin E, computed using intake from food sources alone. Dietary intake data are from NHANES III, and the distribution was adjusted using C-SIDE and the method presented in Nusser SM, Carriquiry AL, Dodd KW, Fuller WA. 1996. A semiparametric transformation approach to estimating usual daily intake distributions. J Am Stat Assoc 91:1440–1449.
OCR for page 425
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
4.8
5.2
5.6
6.1
6.6
6.9
7.5
1.5
1.0
0.3
0.7
1.7
2.4
4.0
3.3
4.4
6.4
9.2
12.4
15.5
24.9
0.2
0.2
0.2
0.3
0.7
1.2
3.3
3.5
5.3
7.7
11.4
16.2
22.0
51.9
0.2
0.2
0.4
0.9
2.8
5.6
28.2
4.4
5.9
8.5
11.9
15.6
19.2
29.3
0.2
0.2
0.3
0.4
0.7
1.1
2.4
4.4
5.9
8.4
11.9
15.9
19.8
30.7
0.1
0.1
0.2
0.2
0.4
0.7
1.9
3.7
5.1
7.5
10.8
15.1
19.5
33.3
0.2
0.3
0.2
0.5
0.6
1.0
2.7
3.2
4.3
6.5
9.8
14.3
19.2
35.6
0.2
0.2
0.2
0.4
0.9
1.6
4.3
2.9
3.9
5.6
7.7
10.1
12.6
20.0
0.1
0.1
0.2
0.3
0.4
0.6
1.5
2.9
3.8
5.6
8.6
11.9
15.1
27.8
0.2
0.1
0.3
0.5
0.7
1.6
4.7
3.0
4.2
6.1
8.7
11.9
15.2
24.9
0.1
0.1
0.1
0.3
0.5
0.8
2.1
3.3
4.4
6.4
9.2
12.5
14.8
24.0
0.1
0.1
0.3
0.5
1.0
1.0
2.6
2.9
3.9
5.6
8.1
11.0
14.0
24.8
0.1
0.1
0.2
0.3
0.6
1.1
3.4
2.6
3.7
5.2
7.6
11.6
15.4
26.9
0.1
0.1
0.1
0.3
0.7
1.1
3.0
4.5
5.6
7.1
9.0
11.1
12.6
16.1
0.2
0.2
0.1
0.1
0.4
0.6
1.1
a M = male, F = female.
SOURCE: Iowa State University Department of Statistics, 1999.
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DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
TABLE C-5 Total (Diet + Supplements) Vitamin E Intake (α-Tocopherol Equivalents, mg): Mean and Selected Percentiles, United States, NHANES III, 1988–1994
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
Both sexes, 0–6 mo
414
12.6
7.4
8.6
Both sexes, 7–12 mo
579
9.3
3.9
4.9
Both sexes 1–3 y
3,624
11.5
3.4
4.2
Both sexes, 4–8 y
4,664
13.2
4.9
5.4
M, 9–13 y
1,262
13.6
5.0
6.4
M, 14–18 y
938
16.8
6.0
7.0
M, 19–30 y
1,960
22.8
6.7
8.1
M, 31–50 y
2,611
26.6
6.4
7.8
M, 51–70 y
2,029
35.3
5.3
6.5
M, 71+ y
1,322
39.9
5.1
6.2
F, 9–13 y
1,279
12.8
4.1
4.9
F, 14–18 y
707
12.2
4.3
4.9
F, 19–30 y
1,106
17.7
4.8
5.5
F, 31–50 y
2,644
30.1
4.4
5.5
F, 51–70 y
2,145
44.9
3.6
4.8
F, 71+ y
1,436
36.8
4.1
5.3
Pregnant
214
31.6
4.7
7.0
Lactating
100
29.2
7.5
8.3
All individuals (+P/L)
29,028
25.7
5.3
6.4
All individuals
28,720
25.7
5.0
6.2
NOTE: Estimated mean and selected percentiles of the usual intake distribution of vitamin E, computed using intakes from food and supplement sources. Dietary intake data are from NHANES III. Intakes from food were adjusted using C-SIDE and the method presented by Nusser SM, Carriquiry AL, Dodd KW, Fuller WA. 1996. A semiparametric transformation approach to estimating usual daily intake distributions. J Am Stat Assoc 91:1440–1449. However, intakes from supplements are unadjusted, so the day-to-day variability in intakes may not have been totally removed from the data. Standard errors were not available for this data set.
OCR for page 427
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
9.2
10.7
12.3
13.7
16.0
17.5
21.0
5.7
6.8
8.8
11.2
13.2
14.8
18.1
4.3
5.1
6.2
17.7
21.3
34.7
36.4
5.9
6.8
8.0
20.2
23.6
36.5
39.5
6.8
7.9
9.6
13.0
24.6
34.9
67.8
7.8
9.6
11.5
15.3
23.0
40.4
121.2
8.6
10.1
12.1
15.3
42.1
53.0
239.8
8.6
10.5
12.9
18.1
43.1
73.9
243.1
7.3
8.9
11.7
29.5
46.6
116.1
444.0
6.5
8.2
10.8
36.1
70.2
141.4
443.6
5.6
6.6
8.4
11.8
32.2
37.7
42.0
5.5
6.8
8.0
11.1
20.1
37.6
41.9
6.2
7.1
9.2
13.2
38.0
40.4
137.1
6.2
7.3
9.1
25.7
40.3
107.4
420.4
5.6
6.9
9.1
36.9
106.4
191.7
508.7
6.1
7.2
8.9
36.9
69.7
140.2
437.7
7.9
9.0
24.5
39.7
43.2
47.3
416.8
9.5
12.2
25.5
39.3
42.5
114.3
141.0
7.1
8.3
9.9
19.1
39.9
69.1
409.0
7.0
8.2
9.9
18.3
39.8
69.5
409.0
a M = male, F = female.
SOURCE: Iowa State University Department of Statistics, 1999.
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DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
TABLE C-6 Dietary Selenium Intake (µg): Mean and Selected Percentiles, United States, NHANES III, 1988 –1994
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
Both sexes, 0–6 mo
793
18.8
3.2
7.7
Both sexes, 7–12 mo
827
37.4
9.1
14.7
Both sexes, 1–3 y
3,309
65.5
15.5
27.0
Both sexes, 4–8 y
3,456
86.8
48.0
58.0
Standard error
1.5
8.4
6.9
M, 9–13 y
1,223
116.0
57.0
70.0
Standard error
5.2
2.5
3.7
M, 14–18 y
914
142.7
67.0
85.0
Standard error
4.2
3.0
4.4
M, 19–30 y
1,906
158.5
81.0
100.0
Standard error
3.5
2.9
3.5
M, 31–50 y
2,536
151.1
74.0
92.0
Standard error
3.3
3.0
3.2
M, 51–70 y
1,946
133.7
64.0
80.0
Standard error
2.6
1.9
1.9
M, 71+ y
1,257
112.0
57.0
69.0
Standard error
2.0
1.4
1.5
F, 9–13 y
1,241
91.9
53.0
63.0
Standard error
1.4
1.6
1.4
F, 14–18 y
697
87.9
44.0
54.0
Standard error
3.1
2.4
2.5
F, 19–30 y
1,084
103.3
52.0
62.0
Standard error
8.8
2.4
3.2
F, 31–50 y
2,587
100.5
55.0
66.0
Standard error
2.2
2.5
2.8
F, 51–70 y
2,080
93.7
51.0
61.0
Standard error
1.7
2.3
2.3
F, 71+ y
1,370
83.3
46.0
55.0
Standard error
1.7
1.0
1.0
Pregnant
211
115.9
60.0
73.0
Standard error
6.4
5.6
5.3
Lactating
9 6
139.2
86.0
99.0
Standard error
8.3
6.1
6.8
All individuals (+P/L)
27,528
113.7
43.0
57.0
Standard error
1.1
1.9
1.7
All individuals
27,226
113.5
43.0
57.0
Standard error
1.1
1.9
1.8
NOTE: Estimated mean and standard deviation, and selected percentiles of the usual intake distribution of selenium, computed using intake from food sources alone. Dietary intake data are from NHANES III, and the distribution was adjusted using C-SIDE and the method presented in Nusser SM, Carriquiry AL, Dodd KW, Fuller WA. 1996. A semiparametric transformation approach to estimating usual daily intake distributions. J Am Stat Assoc 91:1440–1449. Data corresponding to age groups 0–6 months, 7–12 months, and 1–3 years of age not adjusted because no replicate selenium intake data are available for children under 3 years.
OCR for page 429
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
9.8
13.5
17.0
22.2
29.9
36.0
56.9
17.1
23.4
32.2
46.9
64.4
75.1
109.9
33.4
45.4
61.1
80.5
101.7
121.7
155.7
63.0
73.0
85.0
99.0
113.0
122.0
142.0
5.9
3.9
1.7
3.1
7.1
10.1
17.1
78.0
93.0
112.0
134.0
159.0
176.0
216.0
5.0
5.2
3.6
7.3
13.6
14.7
27.6
95.0
114.0
138.0
166.0
196.0
216.0
258.0
5.3
5.3
3.8
4.9
5.9
7.5
19.2
111.0
131.0
154.0
181.0
211.0
231.0
276.0
3.8
3.9
3.6
3.8
4.7
5.4
7.4
102.0
121.0
146.0
175.0
206.0
228.0
280.0
3.1
2.9
3.4
4.0
5.3
7.0
12.3
89.0
105.0
128.0
155.0
186.0
208.0
261.0
1.9
1.9
2.3
3.1
5.3
7.5
14.1
77.0
91.0
108.0
129.0
152.0
167.0
202.0
1.6
1.7
1.9
2.5
3.5
4.5
7.0
69.0
79.0
90.0
104.0
117.0
125.0
143.0
1.3
1.3
1.4
1.6
2.1
2.6
3.8
61.0
72.0
86.0
101.0
118.0
129.0
153.0
2.6
2.8
3.1
3.5
4.2
4.8
6.6
68.0
81.0
99.0
120.0
143.0
159.0
200.0
4.0
4.3
8.0
11.5
18.1
22.1
39.0
72.0
83.0
98.0
115.0
132.0
144.0
170.0
2.6
2.1
2.1
2.7
4.0
5.9
9.4
68.0
78.0
92.0
107.0
123.0
133.0
157.0
2.3
2.0
1.7
1.9
2.7
3.4
5.4
61.0
70.0
82.0
94.0
108.0
117.0
138.0
1.0
1.1
1.4
2.1
3.1
4.1
7.1
81.0
95.0
113.0
134.0
154.0
167.0
194.0
5.3
5.8
6.6
7.8
9.1
10.1
12.5
107.0
121.0
137.0
156.0
174.0
186.0
209.0
7.3
7.9
8.7
9.3
10.2
10.9
13.1
66.0
83.0
106.0
136.0
170.0
194.0
250.0
1.3
1.1
1.2
1.5
2.4
4.2
8.2
66.0
83.0
106.0
136.0
170.0
193.0
250.0
1.3
1.1
1.2
1.5
2.5
4.2
8.2
a M = male, F = female.
SOURCE: Iowa State University Department of Statistics, 1999.
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DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
TABLE C-7 Total (Diet + Supplements) Selenium Intake (µg): Mean and Selected Percentiles, United States, NHANES III, 1988 –1994
Sexa and Age
Number of Persons Examined
Selected Percentiles
Mean
1st
5th
Both sexes, 0–6 mo
793
35.3
17.2
24.0
Both sexes, 7–12 mo
827
49.7
25.7
31.8
Both sexes, 1–3 y
3,309
69.2
32.7
43.3
Both sexes, 4–8 y
3,456
87.0
49.4
58.2
M, 9–13 y
1,223
116.6
58.2
72.4
M, 14–18 y
914
143.8
68.7
87.9
M, 19–30 y
1,906
160.9
81.6
103.4
M, 31–50 y
2,536
154.1
74.2
94.3
M, 51–70 y
1,946
136.2
65.8
80.9
M, 71+ y
1,257
116.4
57.8
71.4
F, 9–13 y
1,241
92.5
53.6
65.3
F, 14–18 y
697
88.7
41.6
56.4
F, 19–30 y
1,084
105.1
53.9
63.9
F, 31–50 y
2,587
103.5
56.7
67.0
F, 51–70 y
2,080
98.4
53.6
63.3
F, 71+ y
1,370
87.7
47.0
56.5
Pregnant
211
123.9
52.0
82.5
Lactating
96
132.9
79.3
97.4
All individual (+P/L)
27,528
116.1
42.9
57.7
All individuals
27,226
116.0
43.1
57.8
NOTE: Estimated mean and standard deviation, and selected percentiles of the usual intake distribution of selenium, computed using intakes from food and supplement sources. Dietary intake data are from NHANES III. Intakes from food were adjusted using C-SIDE and the method presented by Nusser SM, Carriquiry AL, Dodd KW, Fuller WA. 1996. A semiparametric transformation approach to estimating usual daily intake distribution. J Am Stat Assoc 91:1440–1449. However, intakes from supplements are unadjusted, so the day-to-day variability in takes may not have been totally removed from the data. Standard errors were not available for this data set.
OCR for page 431
DRI DIETARY REFERENCE INTAKES FOR Vitamin C, Vitamin E, Selenium, and Carotenoids
10th
25th
50th
75th
90th
95th
99th
26.4
30.7
34.2
39.3
45.2
49.1
66.9
34.3
40.5
46.9
56.0
68.5
77.1
99.7
47.5
55.1
66.4
80.4
93.4
107.0
126.5
63.3
73.0
84.8
98.8
113.3
122.2
139.7
79.1
92.8
111.1
136.2
160.6
172.5
203.1
98.7
115.0
139.3
167.0
195.6
219.0
263.1
114.8
131.7
156.1
184.3
213.4
233.6
291.1
103.0
123.2
147.8
178.5
209.4
235.9
286.4
89.9
106.3
129.9
156.6
189.8
215.9
256.9
79.2
92.3
112.1
134.1
157.5
173.2
222.2
69.9
78.2
91.2
105.0
116.7
124.1
150.9
62.3
71.9
87.3
103.4
119.0
130.2
159.3
68.0
81.7
101.0
122.7
150.3
159.5
184.9
72.5
84.6
100.2
119.0
136.9
147.9
178.4
68.7
80.6
95.8
112.5
128.7
142.5
174.8
61.7
71.0
84.6
100.2
115.1
128.2
160.1
86.8
97.4
118.0
146.8
180.5
186.1
199.1
101.4
110.5
131.6
154.4
168.4
169.8
203.5
67.3
84.6
108.6
139.5
175.4
197.8
250.3
67.4
84.6
108.5
139.1
175.0
197.6
250.4
a M = male, F = female.
SOURCE: Iowa State University Department of Statistics, 1999.
Representative terms from entire chapter:
intake distribution
