Geometric mean and selected percentiles of serum concentrations (in µg/dL) for the total U.S. population aged3 years and older, National Health and Nutrition Examination Survey, 1999–2002.
Geometric mean and selected percentiles of serum concentrations (in µg/dL) for Mexican Americans in the U.S.population aged 3 years and older, National Health and Nutrition Examination Survey, 1999–2002.
Geometric mean (95% conf. interval)
Selected percentiles (95% conf. interval)
Sample size
5th
50th
95th
Males and Females
Total, 3 years and older
46.8
(46.0-47.7)
28.1
(27.2-28.9)
47.1
(46.0-48.1)
75.6
(73.7-77.8)
4662
3–5 years
31.6
(30.7-32.6)
22.6
(21.7-23.8)
31.9
(30.2-33.7)
43.2
(40.4-45.6)
261
6–11 years
35.4
(34.8-36.0)
24.6
(23.8-26.2)
35.6
(34.9-36.2)
48.9
(47.2-50.8)
644
12–19 years
44.8
(44.2-45.5)
30.7
(28.7-31.9)
45.0
(44.1-45.8)
64.6
(63.6-65.9)
1626
20–39 years
50.6
(49.6-51.6)
31.9
(29.8-33.5)
50.9
(49.0-52.8)
75.2
(73.8-77.8)
866
40–59 years
52.8
(51.4-54.3)
32.5
(30.4-35.0)
53.9
(52.4-55.3)
83.7
(78.8-87.4)
628
60 years and older
55.9
(52.9-59.2)
34.0
(31.2-36.5)
55.3
(52.2-59.9)
91.0
(82.4-107)
637
Males
Total, 3 years and older
50.6
(49.7-51.6)
29.8
(28.8-30.5)
51.7
(50.5-53.2)
79.1
(77.0-82.4)
2277
3–5 years
32.5
(30.6-34.5)
22.4†
(20.1-25.0)
32.9
(30.7-34.5)
45.2†
(41.1-51.2)
136
6–11 years
35.4
(34.6-36.2)
24.6
(23.2-27.1)
35.4
(34.5-36.2)
49.2
(45.9-51.3)
333
12–19 years
48.1
(47.1-49.1)
33.7
(32.1-34.9)
48.3
(47.0-49.7)
67.8
(65.6-69.7)
807
20–39 years
56.6
(55.3-57.9)
39.3
(37.4-41.9)
57.5
(55.8-59.1)
78.3
(75.2-86.5)
382
40–59 years
57.9
(55.9-59.9)
36.3
(32.4-40.4)
57.9
(56.1-60.2)
87.4
(83.0-95.3)
298
60 years and older
57.0
(54.3-60.0)
35.3
(33.1-37.1)
55.5
(52.9-61.3)
93.4
(79.8-118)
321
Females
Total, 3 years and older
43.0
(42.1-43.9)
27.0
(26.1-27.8)
42.6
(41.5-43.6)
69.8
(65.7-73.1)
2385
3–5 years
30.8
(29.4-32.2)
22.6†
(20.3-24.7)
30.4
(27.9-33.3)
40.0†
(38.9-43.7)
125
6–11 years
35.3
(34.4-36.3)
23.8
(23.1-26.5)
35.9
(34.7-36.7)
48.6
(47.2-51.2)
311
12–19 years
41.5
(40.8-42.3)
28.4
(26.9-30.8)
41.1
(40.5-41.5)
60.3
(57.6-62.2)
819
20–39 years
44.3
(43.1-45.5)
28.7
(26.4-30.7)
44.6
(42.8-46.3)
69.1
(63.4-72.8)
484
40–59 years
48.1
(46.4-49.9)
30.6
(25.7-34.1)
48.1
(46.4-50.1)
74.7
(68.3-77.1)
330
60 years and older
55.0
(51.2-59.0)
31.8
(27.8-39.3)
54.8
(51.3-59.9)
90.0
(82.9-99.0)
316
† Estimate is subject to greater uncertainty due to small cell size.
Geometric mean and selected percentiles of serum concentrations (in µg/dL) for non-Hispanic blacks in the U.S.population aged 3 years and older, National Health and Nutrition Examination Survey, 1999–2002.
Geometric mean (95% conf. interval)
Selected percentiles (95% conf. interval)
Sample size
5th
50th
95th
Males and Females
Total, 3 years and older
46.0
(45.1-47.0)
27.3
(26.3-27.9)
45.7
(44.4-47.1)
79.3
(75.9-81.6)
3680
3–5 years
31.8
(30.6-33.1)
21.6
(19.3-23.9)
32.1
(30.8-33.3)
44.6
(41.6-47.9)
226
6–11 years
35.0
(34.1-35.9)
23.7
(21.9-25.6)
35.1
(34.0-36.5)
50.5
(48.2-52.2)
591
12–19 years
41.4
(40.6-42.2)
27.9
(26.7-28.6)
41.7
(40.6-42.6)
61.9
(60.2-64.1)
1252
20–39 years
46.1
(44.8-47.5)
28.4
(27.6-30.7)
46.8
(45.2-48.5)
72.0
(67.7-74.6)
590
40–59 years
52.2
(50.4-54.1)
30.6
(27.3-34.0)
52.1
(50.6-54.0)
87.3
(80.6-95.6)
540
60 years and older
58.6
(56.6-60.6)
33.5
(31.2-36.7)
59.0
(56.8-60.4)
102
(93.4-117)
481
Males
Total, 3 years and older
48.5
(47.6-49.5)
27.9
(26.9-28.7)
49.6
(48.5-50.7)
80.7
(77.6-84.3)
1806
3–5 years
32.7
(31.2-34.2)
22.6†
(19.3-24.9)
32.7
(31.0-34.6)
45.4†
(41.9-53.6)
119
6–11 years
34.5
(33.5-35.5)
24.2
(20.8-25.5)
34.4
(33.2-35.6)
50.7
(47.2-54.3)
297
12–19 years
43.7
(42.7-44.6)
28.7
(28.0-30.0)
43.5
(42.4-44.6)
64.8
(62.6-67.5)
640
20–39 years
51.7
(50.1-53.4)
34.3
(28.8-37.8)
53.2
(51.2-55.2)
74.8
(70.3-79.6)
246
40–59 years
56.3
(53.8-58.9)
34.4
(30.2-38.1)
56.3
(53.1-59.3)
92.9
(80.8-107)
274
60 years and older
59.3
(56.1-62.7)
34.9
(30.0-39.9)
58.5
(53.5-62.8)
106
(87.7-144)
230
Females
Total, 3 years and older
44.0
(42.7-45.3)
26.7
(25.5-27.9)
42.9
(41.9-43.9)
75.6
(72.6-80.4)
1874
3–5 years
30.9
(29.3-32.6)
19.5†
(16.1-23.6)
31.7
(29.9-33.1)
42.7†
(38.6-45.7)
107
6–11 years
35.5
(34.3-36.7)
23.6
(21.5-26.7)
36.0
(34.3-37.6)
50.4
(48.0-52.2)
294
12–19 years
39.2
(38.3-40.1)
26.0
(24.5-27.5)
39.5
(38.5-40.7)
56.8
(54.5-59.0)
612
20–39 years
42.3
(40.4-44.2)
27.6
(24.7-29.1)
41.7
(39.8-43.8)
66.3
(62.0-72.4)
344
40–59 years
48.9
(46.5-51.4)
29.3
(25.2-31.5)
47.7
(44.5-51.1)
82.0
(74.4-92.0)
266
60 years and older
58.1
(55.3-61.1)
32.9
(30.2-36.8)
59.4
(56.8-61.2)
97.8
(86.7-115)
251
† Estimate is subject to greater uncertainty due to small cell size.
Geometric mean and selected percentiles of serum concentrations (in µg/dL) for non-Hispanic whites in the U.S.population aged 3 years and older, National Health and Nutrition Examination Survey, 1999–2002.
Geometric mean (95% conf. interval)
Selected percentiles (95% conf. interval)
Sample size
5th
50th
95th
Males and Females
Total, 3 years and older
56.3
(55.3-57.4)
33.1
(32.1-34.2)
57.3
(56.2-58.8)
88.9
(87.4-90.9)
6128
3–5 years
34.0
(33.1-34.8)
24.0†
(21.4-25.8)
34.2
(33.0-35.7)
47.2†
(44.1-49.7)
217
6–11 years
36.8
(35.9-37.7)
26.5
(25.4-28.3)
36.7
(35.8-37.9)
51.3
(49.0-52.7)
489
12–19 years
49.0
(47.9-50.0)
32.6
(31.3-34.2)
49.0
(48.0-50.0)
72.9
(70.9-75.0)
1073
20–39 years
56.1
(54.8-57.4)
36.1
(34.6-37.6)
57.0
(55.0-58.7)
83.9
(81.9-86.8)
1377
40–59 years
62.0
(60.9-63.1)
40.1
(38.1-42.0)
63.1
(61.5-64.3)
93.5
(90.3-96.2)
1276
60 years and older
65.2
(64.3-66.2)
41.6
(40.1-43.1)
65.5
(64.4-67.5)
99.1
(96.1-102)
1696
Males
Total, 3 years and older
58.9
(57.6-60.2)
33.6
(32.0-35.1)
60.8
(59.3-62.9)
91.4
(88.7-93.5)
3001
3–5 years
33.4
(32.3-34.4)
21.4†
(17.1-25.8)
34.4
(32.7-36.6)
45.6†
(41.4-47.8)
115
6–11 years
36.6
(35.2-38.0)
26.2
(24.3-28.6)
36.4
(35.1-38.4)
52.2
(48.6-53.0)
257
12–19 years
50.6
(49.3-51.9)
32.4
(30.5-36.0)
51.0
(49.8-52.3)
72.9
(70.0-74.9)
535
20–39 years
60.4
(59.1-61.7)
41.7
(40.5-43.1)
60.4
(59.2-63.0)
84.8
(81.6-87.5)
575
40–59 years
66.6
(65.1-68.1)
44.5
(42.5-47.8)
68.2
(66.3-69.8)
96.2
(92.9-99.9)
665
60 years and older
66.8
(65.2-68.4)
42.0
(40.4-44.6)
67.9
(65.3-70.1)
101
(96.6-105)
854
Females
Total, 3 years and older
54.0
(52.9-55.2)
32.6
(31.6-34.1)
54.5
(52.8-55.8)
87.5
(85.9-89.4)
3127
3–5 years
34.7
(33.3-36.1)
26.2†
(24.0-27.8)
34.0
(32.5-36.3)
49.1†
(45.9-51.8)
102
6–11 years
37.0
(36.0-38.0)
26.2
(24.7-28.4)
36.8
(36.0-38.0)
50.2
(48.1-54.0)
232
12–19 years
47.3
(46.0-48.6)
33.2
(31.2-34.3)
46.9
(45.3-47.9)
72.1
(68.3-76.8)
538
20–39 years
52.2
(50.5-54.0)
34.1
(30.9-35.9)
51.7
(49.9-54.8)
83.1
(80.5-87.3)
802
40–59 years
57.7
(56.5-58.8)
36.0
(34.6-39.2)
57.2
(56.0-58.4)
88.8
(86.1-94.8)
611
60 years and older
64.1
(62.9-65.2)
41.4
(39.0-43.5)
64.5
(62.5-65.6)
97.4
(92.0-102)
842
† Estimate is subject to greater uncertainty due to small cell size.
