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Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (1998)
Institute of Medicine (IOM)

Page
502
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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline

I
Daily Intakes of B Vitamins by Canadian Men and Women, 1990, 1993

TABLE I-1 Daily Thiamin Intake (mg) by Québec Men and Women Aged 18 Years and Older; Mean and Selected Percentilesa

 

Selected Percentiles

Gender and Age (y)

Number of Examined Persons

Mean

25th

50th

75th

Males, 18–34

575

1.94

1.44

1.71

2.05

Males, 35–49

175

1.77

1.28

1.57

1.88

Males, 50–64

101

1.61

1.20

1.44

1.78

Males, 65–74

185

1.62

1.16

1.42

1.82

Females, 18–34

593

1.30

1.02

1.16

1.30

Females, 35–49

209

1.17

0.91

1.05

1.25

Females, 50–64

114

1.31

0.91

1.08

1.36

Females, 65–74

166

1.14

0.80

1.02

1.24

a Percentiles were adjusted for intraindividual variability.

SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec.

Page
502
Front Matter (R1-R24)
Summary (1-16)
1 Introduction to Dietary Reference Intakes (17-26)
2 The B Vitamins and Choline: Overview and Methods (27-40)
3 A Model for the Development of Tolerable Upper Intake Levels (41-57)
4 Thiamin (58-86)
5 Riboflavin (87-122)
6 Niacin (123-149)
7 Vitamin B6 (150-195)
8 Folate (196-305)
9 Vitamin B12 (306-356)
10 Pantothenic Acid (357-373)
11 Biotin (374-389)
12 Choline (390-422)
13 Uses of Dietary Reference Intakes (423-436)
14 A Research Agenda (437-442)
A Origin and Framework of the Development of Dietary Reference Intakes (443-447)
B Acknowledgments (448-450)
C Système International d'Unités (451-452)
D Search Strategies (453-455)
E Methodological Problems Associated with Laboratory Values and Food Composition Data for B Vitamins (456-459)
F Dietary Intake Data from the Boston Nutritional Status Survey, 1981–1984 (460-465)
G Dietary Intake Data from the Continuing Survey of Food Intakes by Individuals (CSFII), 1994–1995 (466-477)
H Dietary Intake Data from the Third National Health and Nutrition Examination Survey (NHANES III), 1988–1994 (478-501)
I Daily Intakes of B Vitamins by Canadian Men and Women, 1990, 1993 (502-506)
J Options for Dealing with Uncertainties in Developing Tolerable Upper Intake Levels (507-511)
K Blood Concentrations of Folate and Vitamin B12 from the Third National Health and Nutrition Examination Survey (NHANES III), 1988–1994 (512-519)
L Methylenetetrahydrofolate Reductase (520-522)
M Evidence from Animal Studies on the Etiology of Neural Tube Defects (523-526)
N Estimation of the Period Covered by Vitamin B12 Stores (527-530)
O Biographical Sketches (531-536)
P Glossary and Abbreviations (537-540)
Index (541-567)

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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline I Daily Intakes of B Vitamins by Canadian Men and Women, 1990, 1993 TABLE I-1 Daily Thiamin Intake (mg) by Québec Men and Women Aged 18 Years and Older; Mean and Selected Percentilesa   Selected Percentiles Gender and Age (y) Number of Examined Persons Mean 25th 50th 75th Males, 18–34 575 1.94 1.44 1.71 2.05 Males, 35–49 175 1.77 1.28 1.57 1.88 Males, 50–64 101 1.61 1.20 1.44 1.78 Males, 65–74 185 1.62 1.16 1.42 1.82 Females, 18–34 593 1.30 1.02 1.16 1.30 Females, 35–49 209 1.17 0.91 1.05 1.25 Females, 50–64 114 1.31 0.91 1.08 1.36 Females, 65–74 166 1.14 0.80 1.02 1.24 a Percentiles were adjusted for intraindividual variability. SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec.

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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline TABLE I-2 Daily Riboflavin Intake (mg) by Québec Men and Women Aged 18 Years and Older; Mean and Selected Percentilesa   Selected Percentiles Gender and Age (y) Number of Examined Persons Mean 25th 50th 75th Males, 18–34 575 2.50 1.83 2.29 2.78 Males, 35–49 175 2.11 1.66 1.92 2.22 Males, 50–64 101 1.80 1.52 1.79 2.09 Males, 65–74 185 1.99 1.46 1.71 2.14 Females, 18–34 593 1.64 1.23 1.51 1.88 Females, 35–49 209 1.48 1.21 1.36 1.55 Females, 50–64 114 1.45 1.16 1.37 1.52 Females, 65–74 166 1.29 1.00 1.22 1.44 a Percentiles were adjusted for intraindividual variability. SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec. TABLE I-3 Daily Niacin Intake (mg NE) by Québec Men and Women Aged 18 Years and Older; Mean and Selected Percentilesa   Selected Percentiles Gender and Age (y) Number of Examined Persons Mean 25th 50th 75th Males, 18–34 575 50.2 43.0 46.0 48.8 Males, 35–49 175 46.4 36.2 43.5 48.1 Males, 50–64 101 41.5 35.0 39.6 45.2 Males, 65–74 185 39.5 30.4 35.4 42.6 Females, 18–34 593 32.3 27.6 29.8 32.0 Females, 35–49 209 32.4 26.8 28.9 31.1 Females, 50–64 114 30.2 25.8 28.7 31.1 Females, 65–74 166 28.6 22.5 25.3 28.7 a Percentiles were adjusted for intraindividual variability. SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec.

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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline TABLE I-4 Daily Vitamin B6 Intake (mg) by Québec Men and Women Aged 18 Years and Older; Mean and Selected Percentilesa   Selected Percentiles Gender and Age (y) Number of Examined Persons Mean 25th 50th 75th Males, 18–34 575 2.11 1.70 1.99 2.27 Males, 35–49 175 1.98 1.53 1.90 2.21 Males, 50–64 101 1.89 1.49 1.79 2.07 Males, 65–74 185 1.88 1.36 1.70 2.17 Females, 18–34 593 1.41 1.18 1.32 1.48 Females, 35–49 209 1.41 1.20 1.36 1.49 Females, 50–64 114 1.52 1.23 1.40 1.52 Females, 65–74 166 1.39 1.06 1.25 1.51 a Percentiles were adjusted for intraindividual variability. SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec. TABLE I-5 Daily Folate Intake (µg) by Québec Men and Women Aged 18 Years and Older; Mean and Selected Percentilesa   Selected Percentiles Gender and Age (y) Number of Examined Persons Mean 25th 50th 75th Males, 18–34 575 272 199 238 281 Males, 35–49 175 246 179 226 271 Males, 50–64 101 235 177 221 266 Males, 65–74 185 254 173 215 267 Females, 18–34 593 203 142 177 221 Females, 35–49 209 189 134 168 210 Females, 50–64 114 205 145 181 218 Females, 65–74 166 180 137 166 201 a Percentiles were adjusted for intraindividual variability. SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec.

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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline TABLE I-6 Mean Daily Vitamin B12 Intake (µg) by Québec Men and Women Aged 18 Years and Oldera Gender and Age (y) Number of Examined Persons Mean Males, 18–34 575 9.15 Males, 35–49 175 6.02 Males, 50–64 101 5.02 Males, 65–74 185 7.91 Females, 18–34 593 4.40 Females, 35–49 209 3.60 Females, 50–64 114 3.68 Females, 65–74 166 3.23 a Intakes of vitamin B12 were not normally distributed; therefore, adjustment for intraindividual variability could not be performed and percentiles could not be determined. SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec. TABLE I-7 Daily Pantothenic Acid Intake (mg) by Québec Men and Women Aged 18 Years and Older; Mean and Selected Percentilesa   Selected Percentiles Gender and Age (y) Number of Examined Persons Mean 25th 50th 75th Males, 18–34 575 6.16 5.02 5.74 6.49 Males, 35–49 175 5.36 4.47 5.12 5.71 Males, 50–64 101 4.94 4.32 4.85 5.46 Males, 65–74 185 5.49 4.25 4.87 5.67 Females, 18–34 593 4.21 3.43 3.95 4.59 Females, 35–49 209 3.94 3.18 3.67 4.43 Females, 50–64 114 4.14 3.21 3.88 4.60 Females, 65–74 166 3.77 2.94 3.65 4.30 a Percentiles were adjusted for intraindividual variability. SOURCE: Santé Québec. 1995. Les Québécoises et les Québécois Mangent-Ils Mieux? Rapport de l’Enquête Québécoise sur la Nutrition, 1990. Montréal: Ministère de la Santé et des Services Sociaux, Gouvernement du Québec.

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DRI Dietary Reference Intakes: For Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline TABLE I-8 Mean Daily Nutrient Intakes by Nova Scotian Men and Women Gender and Age (y) Thiamin (mg) Riboflavin (mg) Niacin (NE) Folate (µg) Males, 18–34 2.1 2.4 53.6 263.4 Males, 35–49 1.7 2.0 41.4 238.3 Males, 50–64 1.6 1.9 40.2 234.3 Males, 65–74 1.6 1.8 36.3 243.0 Females, 18–34 1.2 1.5 29.0 161.7 Females, 35–49 1.1 1.4 28.9 175.7 Females, 50–64 1.1 1.4 27.9 188.9 Females, 65–74 1.1 1.2 25.3 182.2 NOTE: Tabulations are based on a total of 3,204 recalls, which includes initial 24-h recalls from 2,212 respondents and 992 replicate recalls. Intakes are based on nutrient levels derived from food sources only and do not include supplements. Intakes were calculated from the 24-h recall data by using estimated conversion factors for the reported foods and quantities consumed. SOURCE: Nova Scotia Heart Health Program. 1993. Report of the Nova Scotia Nutrition Survey. Nova Scotia: Nova Scotia Department of Health, Health and Welfare Canada.

Representative terms from entire chapter:

selected percentiles