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Dietary Reference Intakes for Calcium and Vitamin D (2011)
Food and Nutrition Board (FNB)

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. "7 Dietary Intake Assessment." Dietary Reference Intakes for Calcium and Vitamin D. Washington, DC: The National Academies Press, 2011.

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DRI Dietary Reference Intakes Calcium Vitamin D
FIGURE 7-1 Estimated calcium intakes in the United States from food sources only, by intake percentile groups, age, and gender.

FIGURE 7-1 Estimated calcium intakes in the United States from food sources only, by intake percentile groups, age, and gender.

NOTE: F = female; M = male; y = years.

SOURCE: NHANES 2003–2006 as analyzed by Bailey et al. (2010). Data used to create figure can be found in Appendix H.

intakes. By contrast, the 95th percentile of calcium consumption from food sources alone are 1,353 and 1,337 mg/day for these two life stage groups, respectively.

Canadian Calcium Intake

Estimates of calcium intake from foods for Canadians appear to be similar to those reported for the United States, although the median intake drops at a younger age for men, at the 31- to 50-year life stage as compared to the 51- to 70-year life stage in the United States (Figure 7-3). Overall, estimated intakes of calcium from foods in Canada appear to be slightly lower than those reported for the United States. Although differences in survey

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Front Matter (R1-R16)
Summary (1-14)
1 Introduction (15-34)
2 Overview of Calcium (35-74)
3 Overview of Vitamin D (75-124)
4 Review of Potential Indicators of Adequacy and Selection of Indicators: Calcium and Vitamin D (125-344)
5 Dietary Reference Intakes for Adequacy: Calcium and Vitamin D (345-402)
6 Tolerable Upper Intake Levels: Calcium and Vitamin D (403-456)
7 Dietary Intake Assessment (457-478)
8 Implications and Special Concerns (479-512)
9 Information Gaps and Research Needs (513-522)
Appendix A: Acronyms, Abbreviations, and Glossary (523-536)
Appendix B: Issues and Interests Identified by Study Sponsors (537-538)
Appendix C: Methods and Results from the AHRQ-Ottawa Evidence-Based Report on Effectiveness and Safety of Vitamin D in Relation to Bone Health (539-724)
Appendix D: Methods and Results from the AHRQ-Tufts Evidence-Based Report on Vitamin D and Calcium (725-1012)
Appendix E: Literature Search Strategy (1013-1018)
Appendix F: Evidence Maps (1019-1024)
Appendix G: Cases Studies of Vitamin D Toxicity (1025-1034)
Appendix H: Estimated Intakes of Calcium and Vitamin D from National Surveys (1035-1044)
Appendix I: Proportion of the Population Above and Below 40 nmol/L Serum 25-Hydroxyvitamin D Concentrations and Cumulative Distribution of Serum 25-Hydroxyvitamin D Concentrations: United States and Canada (1045-1058)
Appendix J: Workshop Agenda and Open Session Agendas (1059-1064)
Appendix K: Biographical Sketches of Committee Members (1065-1074)
Index (1075-1102)
Summary Tables: Dietary Reference Intakes (1103-1116)