Geometric mean and selected percentiles of serum concentrations (in pg/mL) 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 pg/mL) 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
532
(513-553)
260
(249-273)
514
(493-531)
1120
(1060-1200)
4695
3–5 years
821
(784-860)
447
(402-526)
809
(764-870)
1470
(1330-1530)
266
6–11 years
701
(672-731)
415
(390-447)
705
(676-731)
1190
(1090-1270)
652
12–19 years
507
(491-523)
268
(249-288)
504
(494-519)
883
(847-920)
1637
20–39 years
477
(452-504)
242
(213-260)
453
(437-469)
1010
(875-1180)
866
40–59 years
518
(491-546)
264
(258-295)
475
(452-514)
1100
(947-1500)
634
60 years and older
497
(464-532)
215
(203-237)
482
(454-514)
1090
(969-1460)
640
Males
Total, 3 years and older
507
(486-529)
263
(245-278)
494
(473-516)
999
(936-1100)
2293
3–5 years
798
(744-855)
428†
(351-553)
779
(704-833)
1490†
(1250-2310)
139
6–11 years
690
(646-738)
411
(379-455)
694
(659-729)
1190
(1040-1370)
338
12–19 years
489
(472-507)
264
(242-292)
488
(479-501)
849
(808-896)
811
20–39 years
454
(423-489)
249
(200-279)
452
(423-468)
771
(731-858)
383
40–59 years
486
(465-507)
292
(264-308)
469
(429-514)
891
(792-1390)
301
60 years and older
451
(414-491)
206
(162-238)
444
(410-473)
1070
(911-1250)
321
Females
Total, 3 years and older
562
(536-589)
257
(241-269)
533
(514-552)
1200
(1120-1360)
2402
3–5 years
848
(799-901)
451†
(408-548)
853
(775-933)
1390†
(1200-1520)
127
6–11 years
713
(681-747)
424
(382-475)
711
(689-746)
1160
(1080-1280)
314
12–19 years
527
(505-549)
277
(254-296)
525
(504-534)
915
(870-939)
826
20–39 years
506
(463-553)
232
(202-257)
461
(444-482)
1190
(1040-1720)
483
40–59 years
553
(507-603)
258
(214-277)
491
(461-528)
1310
(1000-4570)
333
60 years and older
540
(494-592)
235
(196-271)
525
(484-581)
1180
(965-2170)
319
† Estimate is subject to greater uncertainty due to small cell size.
Geometric mean and selected percentiles of serum concentrations (in pg/mL) 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
568
(558-579)
273
(263-289)
569
(556-583)
1180
(1150-1220)
3712
3–5 years
867
(829-906)
486
(403-567)
859
(815-929)
1540
(1330-1700)
234
6–11 years
803
(775-832)
413
(375-452)
812
(786-845)
1460
(1320-1630)
603
12–19 years
585
(569-602)
298
(274-313)
588
(566-609)
1150
(1070-1230)
1254
20–39 years
508
(491-525)
261
(233-289)
511
(492-530)
939
(864-977)
593
40–59 years
525
(506-545)
263
(251-277)
522
(502-553)
1110
(1020-1190)
541
60 years and older
542
(511-576)
246
(224-280)
560
(506-605)
1190
(1030-1410)
487
Males
Total, 3 years and older
558
(543-574)
270
(254-291)
563
(545-575)
1150
(1090-1230)
1818
3–5 years
861
(799-928)
479†
(361-558)
859
(791-931)
1650†
(1320-1880)
121
6–11 years
780
(744-818)
413
(368-478)
775
(752-822)
1390
(1250-1520)
304
12–19 years
561
(540-583)
295
(256-324)
567
(535-602)
1000
(952-1080)
638
20–39 years
511
(483-541)
253
(228-296)
518
(492-549)
939
(838-1170)
249
40–59 years
507
(485-531)
261
(245-294)
507
(477-551)
1020
(888-1140)
274
60 years and older
493
(458-531)
239
(215-269)
481
(458-542)
1030
(910-1320)
232
Females
Total, 3 years and older
577
(566-589)
277
(264-291)
576
(560-590)
1200
(1160-1260)
1894
3–5 years
873
(815-934)
564†
(419-611)
857
(804-953)
1430†
(1250-1560)
113
6–11 years
827
(791-865)
409
(373-452)
854
(803-891)
1490
(1320-1930)
299
12–19 years
611
(592-630)
302
(270-315)
607
(584-634)
1280
(1160-1460)
616
20–39 years
505
(485-526)
271
(238-301)
505
(476-530)
911
(814-975)
344
40–59 years
542
(516-568)
263
(228-287)
538
(507-575)
1160
(1100-1250)
267
60 years and older
577
(539-617)
249
(219-300)
607
(554-647)
1260
(1080-1630)
255
† Estimate is subject to greater uncertainty due to small cell size.
Geometric mean and selected percentiles of serum concentrations (in pg/mL) 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
472
(465-479)
235
(230-238)
471
(461-479)
938
(904-976)
6150
3–5 years
728
(679-781)
440†
(389-471)
730
(659-795)
1300†
(1110-1510)
219
6–11 years
662
(639-686)
350
(336-385)
680
(660-699)
1170
(1060-1280)
494
12–19 years
493
(478-508)
265
(244-276)
503
(483-523)
918
(883-963)
1072
20–39 years
431
(422-441)
228
(216-236)
434
(422-450)
763
(741-800)
1382
40–59 years
449
(440-457)
228
(218-238)
440
(428-456)
882
(831-934)
1279
60 years and older
473
(460-486)
226
(209-236)
471
(462-480)
1000
(954-1060)
1704
Males
Total, 3 years and older
477
(466-487)
244
(236-256)
474
(463-486)
897
(868-944)
3011
3–5 years
701
(635-773)
424†
(303-471)
682
(612-778)
1200†
(1070-1590)
116
6–11 years
666
(634-699)
344
(310-369)
679
(647-713)
1250
(1080-1430)
260
12–19 years
500
(479-522)
279
(253-299)
509
(482-532)
903
(846-935)
534
20–39 years
451
(436-468)
245
(233-271)
454
(436-475)
762
(721-811)
577
40–59 years
452
(439-465)
236
(220-251)
445
(429-461)
817
(772-883)
667
60 years and older
452
(438-467)
226
(204-244)
457
(439-471)
893
(836-986)
857
Females
Total, 3 years and older
467
(459-475)
226
(215-234)
467
(453-478)
976
(930-1010)
3139
3–5 years
760
(703-820)
471†
(424-517)
754
(690-820)
1310†
(1100-1510)
103
6–11 years
657
(627-689)
378
(336-425)
679
(632-701)
1090
(976-1250)
234
12–19 years
486
(470-502)
248
(236-267)
497
(470-523)
940
(870-1000)
538
20–39 years
413
(403-423)
216
(206-227)
412
(398-424)
758
(736-859)
805
40–59 years
445
(428-463)
218
(192-236)
434
(413-459)
920
(853-1060)
612
60 years and older
490
(472-508)
227
(199-238)
482
(470-502)
1060
(983-1170)
847
† Estimate is subject to greater uncertainty due to small cell size.
