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. "G Dietary Intake Data from the Continuing Survey of Food Intakes by Individuals (CSFII), 1994–1995." Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline . Washington, DC: The National Academies Press, 1998.
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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline
TABLE G-6 Mean and Percentiles for Usual Intake of Vitamin B12 (µg), CSFII, 1994–1995
Percentile
Gender/Age Categorya
N
Mean
1st
5th
10th
25th
50th
75th
90th
95th
99th
0–6 mo
69
1.37
0.36
0.60
0.76
1.03
1.34
1.67
2.00
2.22
2.68
SE
0.11
0.10
0.12
0.12
0.12
0.11
0.12
0.17
0.21
0.31
7–11 mo
45
4.53
0.80
1.30
1.70
2.40
3.60
5.50
8.40
11.00
18.10
SE
2.27
0.16
0.21
0.29
0.62
1.36
2.82
5.25
7.50
14.10
1–3 y
702
3.36
1.44
1.85
2.08
2.52
3.11
3.92
4.95
5.73
7.63
SE
0.12
0.07
0.07
0.06
0.06
0.08
0.13
0.26
0.38
0.74
4–8 y
666
3.83
1.57
2.04
2.33
2.88
3.62
4.54
5.58
6.34
8.09
SE
0.14
0.09
0.10
0.10
0.11
0.13
0.17
0.26
0.34
0.59
M 9–13 y
180
6.23
2.00
2.90
3.40
4.40
5.90
7.50
9.40
10.90
14.50
SE
0.46
0.17
0.21
0.25
0.33
0.45
0.60
0.83
1.04
1.65
M 14–18 y
191
5.67
2.30
3.00
3.50
4.30
5.40
6.70
8.20
9.30
11.80
SE
0.25
0.18
0.20
0.21
0.22
0.24
0.31
0.43
0.55
0.86
M 19–30 y
328
5.99
2.20
2.90
3.40
4.30
5.60
7.30
9.00
10.30
13.10
SE
0.30
0.16
0.15
0.17
0.20
0.27
0.41
0.56
0.66
0.96
M 31–50 y
627
6.30
2.10
2.80
3.30
4.20
5.60
7.60
10.20
12.20
17.40
SE
0.50
0.15
0.16
0.17
0.22
0.40
0.68
1.06
1.43
2.71
M 51–70 y
490
6.92
1.80
2.40
2.80
3.60
5.20
8.10
12.80
17.10
30.10
SE
1.00
0.11
0.12
0.15
0.20
0.52
1.18
2.50
4.19
10.60
M 71+ y
237
6.25
1.80
2.40
2.80
3.70
5.10
7.40
10.80
13.80
22.90
SE
0.80
0.17
0.20
0.22
0.30
0.49
0.91
1.75
2.65
5.87
F 9–13 y
200
4.07
1.72
2.25
2.57
3.16
3.92
4.82
5.77
6.42
7.82
SE
0.21
0.14
0.16
0.17
0.19
0.22
0.25
0.28
0.31
0.40
F 14–18 y
169
4.18
1.30
1.90
2.30
2.90
3.90
5.10
6.50
7.50
9.90
SE
0.33
0.14
0.18
0.19
0.23
0.29
0.42
0.63
0.82
1.31
F 19–30 y
302
3.68
1.19
1.67
1.98
2.60
3.45
4.51
5.68
6.47
8.21
SE
0.32
0.13
0.19
0.21
0.25
0.29
0.35
0.47
0.60
1.11
F 31–50 y
590
4.24
1.27
1.74
2.02
2.55
3.41
4.88
7.29
9.51
16.09
SE
0.39
0.10
0.11
0.12
0.15
0.20
0.34
1.03
1.95
5.34
F 51–70 y
510
4.91
1.40
1.80
2.10
2.80
3.90
5.80
8.70
11.30
18.90
SE
0.65
0.09
0.09
0.11
0.24
0.56
0.92
1.48
2.21
5.38
F 70+ y
221
4.61
1.09
1.49
1.75
2.33
3.32
5.09
8.28
11.63
24.24
SE
0.84
0.08
0.10
0.10
0.12
0.27
0.71
1.89
3.47
11.00
F pregnant
33
3.83
1.40
1.94
2.27
2.90
3.70
4.62
5.55
6.16
7.39
SE
1.45
1.24
1.59
1.78
1.94
1.72
1.28
1.32
1.41
1.32
F lactating
16
6.63
1.90
2.80
3.40
4.60
6.30
8.20
10.30
11.70
14.60
SE
1.55
1.11
1.30
1.39
1.52
1.62
1.69
1.77
1.86
2.19
