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
967
(944-990)
587
(572-602)
919
(904-938)
1800
(1720-1950)
4662
3–5 years
768
(748-788)
569
(514-593)
762
(737-787)
1050
(980-1110)
261
6–11 years
770
(758-782)
555
(538-573)
765
(746-780)
1090
(1050-1110)
640
12–19 years
754
(744-764)
516
(503-531)
744
(729-758)
1150
(1110-1200)
1628
20–39 years
987
(954-1020)
642
(605-667)
959
(931-983)
1680
(1550-1780)
867
40–59 years
1260
(1210-1310)
757
(720-804)
1230
(1160-1280)
2250
(2070-2620)
629
60 years and older
1380
(1320-1440)
762
(696-810)
1310
(1260-1390)
2810
(2610-3350)
637
Males
Total, 3 years and older
968
(943-995)
580
(564-590)
922
(902-943)
1810
(1690-2010)
2277
3–5 years
766
(736-797)
567†
(530-608)
749
(719-784)
1070†
(971-1230)
135
6–11 years
768
(748-789)
544
(532-577)
758
(736-785)
1070
(1030-1160)
331
12–19 years
741
(723-759)
503
(490-516)
733
(718-753)
1110
(1080-1150)
808
20–39 years
999
(954-1050)
617
(587-662)
964
(923-1020)
1650
(1530-1920)
383
40–59 years
1300
(1210-1400)
790
(707-860)
1250
(1160-1340)
2370
(2060-3340)
299
60 years and older
1280
(1220-1350)
729
(651-799)
1230
(1200-1300)
2610
(2080-3530)
321
Females
Total, 3 years and older
965
(939-992)
593
(574-616)
915
(898-939)
1780
(1690-1980)
2385
3–5 years
770
(740-800)
577†
(495-594)
780
(735-819)
992†
(953-1110)
126
6–11 years
772
(756-789)
558
(526-586)
768
(744-790)
1090
(1040-1170)
309
12–19 years
769
(761-777)
539
(529-551)
757
(732-778)
1220
(1130-1260)
820
20–39 years
972
(945-1000)
651
(592-675)
947
(921-981)
1670
(1480-1750)
484
40–59 years
1220
(1170-1260)
739
(715-795)
1190
(1130-1260)
2100
(1810-2400)
330
60 years and older
1470
(1380-1570)
780
(587-929)
1400
(1330-1470)
2850
(2670-3490)
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
917
(897-936)
579
(564-595)
884
(865-903)
1700
(1620-1820)
3670
3–5 years
761
(736-787)
560†
(511-586)
748
(728-768)
1120†
(1080-1170)
222
6–11 years
769
(752-786)
548
(521-583)
765
(745-789)
1070
(1010-1120)
592
12–19 years
728
(714-741)
530
(512-542)
721
(707-740)
1030
(1010-1060)
1249
20–39 years
879
(860-899)
607
(567-627)
867
(840-895)
1390
(1300-1470)
589
40–59 years
1090
(1050-1120)
686
(636-712)
1040
(1010-1070)
2250
(1840-2390)
539
60 years and older
1200
(1140-1250)
692
(655-736)
1150
(1090-1190)
2280
(2070-2780)
479
Males
Total, 3 years and older
888
(866-912)
573
(554-589)
864
(842-883)
1620
(1450-1770)
1802
3–5 years
761
(725-798)
550†
(497-614)
749
(702-782)
1100†
(989-1130)
117
6–11 years
780
(763-797)
565
(531-580)
772
(757-811)
1080
(1010-1160)
297
12–19 years
722
(706-738)
528
(506-539)
716
(701-732)
1020
(975-1050)
639
20–39 years
870
(834-908)
614
(567-643)
863
(809-900)
1340
(1200-1560)
246
40–59 years
1040
(995-1080)
636
(579-707)
1010
(971-1070)
1850
(1620-2250)
274
60 years and older
1110
(1060-1170)
655
(582-721)
1070
(1020-1140)
2180
(1910-2390)
229
Females
Total, 3 years and older
942
(916-968)
588
(560-609)
907
(884-923)
1800
(1640-2080)
1868
3–5 years
761
(731-792)
545†
(491-586)
748
(713-800)
1150†
(1010-1240)
105
6–11 years
757
(732-783)
536
(505-588)
757
(726-788)
1010
(982-1120)
295
12–19 years
734
(719-748)
534
(503-560)
733
(706-758)
1050
(1000-1100)
610
20–39 years
886
(863-909)
605
(519-626)
877
(839-907)
1450
(1300-1510)
343
40–59 years
1130
(1090-1180)
712
(679-780)
1050
(1020-1090)
2410
(2020-2700)
265
60 years and older
1250
(1180-1330)
727
(686-815)
1180
(1140-1270)
2690
(1930-3650)
250
† 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
1150
(1130-1180)
638
(620-652)
1090
(1050-1120)
2530
(2440-2630)
6085
3–5 years
822
(782-865)
567†
(547-622)
803
(757-853)
1240†
(1110-1460)
216
6–11 years
804
(782-826)
556
(545-577)
800
(772-825)
1150
(1090-1230)
485
12–19 years
774
(757-791)
543
(526-556)
763
(744-777)
1180
(1100-1250)
1071
20–39 years
1010
(991-1030)
646
(619-665)
978
(957-994)
1780
(1660-1930)
1368
40–59 years
1340
(1310-1370)
796
(770-820)
1280
(1250-1310)
2670
(2500-2980)
1266
60 years and older
1580
(1540-1610)
831
(795-868)
1530
(1500-1580)
3300
(3070-3460)
1679
Males
Total, 3 years and older
1120
(1090-1150)
619
(598-643)
1060
(1020-1100)
2420
(2300-2540)
2977
3–5 years
819
(773-867)
576†
(556-622)
818
(751-860)
1100†
(1010-1470)
114
6–11 years
788
(759-818)
550
(502-575)
779
(746-825)
1130
(1030-1220)
254
12–19 years
758
(731-785)
532
(509-556)
742
(724-771)
1150
(1040-1300)
534
20–39 years
1010
(974-1040)
637
(607-669)
976
(939-1000)
1850
(1620-2060)
569
40–59 years
1350
(1310-1400)
774
(728-810)
1280
(1250-1330)
2630
(2470-3150)
660
60 years and older
1450
(1410-1500)
779
(734-815)
1400
(1370-1440)
2880
(2750-3240)
846
Females
Total, 3 years and older
1180
(1150-1210)
654
(639-670)
1120
(1090-1160)
2640
(2490-2770)
3108
3–5 years
826
(770-886)
564†
(430-662)
776
(742-874)
1440†
(1150-1520)
102
6–11 years
822
(793-852)
557
(530-603)
811
(781-851)
1150
(1100-1400)
231
12–19 years
791
(773-810)
554
(537-568)
781
(761-811)
1180
(1110-1250)
537
20–39 years
1020
(996-1030)
647
(623-682)
982
(951-1010)
1760
(1620-1930)
799
40–59 years
1330
(1290-1380)
818
(783-852)
1280
(1230-1320)
2690
(2360-3090)
606
60 years and older
1680
(1630-1730)
884
(853-924)
1660
(1600-1740)
3460
(3230-3760)
833
† Estimate is subject to greater uncertainty due to small cell size.