Cover Image

PAPERBACK
$47.95



View/Hide Left Panel

TABLE H-12 Total Vitamin B12 Intake (µg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)

Number of Examined Persons

Mean

Standard Error of the Mean

Both, 6–8

1,601

5.33

0.11

M, 9–13

1,262

8.91

2.00

M, 14–18

942

10.53

2.40

M, 19–30

1,962

12.00

3.11

M, 31–50

2,612

16.96

5.06

M, 51–70

2,033

16.43

2.96

M, >70

1,329

10.49

1.49

F, 9–13

1,282

5.52

0.19

F, 14–18

1,001

7.06

1.90

F, 19–30

2,027

9.57

1.07

F, 31–50

3,073

13.96

1.43

F, 51–70

2,148

13.51

1.51

F, >70

1,444

14.36

2.40

Pregnant F, 14–55

354

13.16

1.23

Both, ≥6, unadjusted

23,070

12.52

0.85

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement