Evidence map›Paper›PMID 24168918›Full record

ArticlePublic health nutrition2014

Association of total protein intake with bone mineral density and bone loss in men and women from the Framingham Offspring Study.

Shivani Sahni, Kerry E Broe, Katherine L Tucker, Robert R McLean, Douglas P Kiel, L Adrienne Cupples, Marian T Hannan

Open access · bronzeAbstract read
In one paragraph

Article in Public health nutrition, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 19% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

  1. Dietary protein and bone health across the life-course: an updated systematic review and meta-analysis over 40 years.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2019
    Pooled it
  2. Trial
  3. Trial
  4. Amino Acid Intakes Are Associated With Bone Mineral Density and Prevalence of Low Bone Mass in Women: Evidence From Discordant Monozygotic Twins.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2016
    Trial
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  12. Review
  13. Dietary protein intake and bone health.Journal of frailty, sarcopenia and falls · 2020
    Review
  14. Article
  15. Article
  16. Association Between Dietary Fiber Intake and Bone Loss in the Framingham Offspring Study.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2018
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 1 country.

Shivani Sahni1Institute for Aging Research,Hebrew SeniorLife,1200 Centre Street,Boston,MA 02131,USA.
Kerry E Broe1Institute for Aging Research,Hebrew SeniorLife,1200 Centre Street,Boston,MA 02131,USA.
Katherine L Tucker4Clinical Laboratory and Nutritional Sciences,University of Massachusetts,Lowell,MA,USA.
Robert R McLean1Institute for Aging Research,Hebrew SeniorLife,1200 Centre Street,Boston,MA 02131,USA.
Douglas P Kiel1Institute for Aging Research,Hebrew SeniorLife,1200 Centre Street,Boston,MA 02131,USA.
L Adrienne Cupples5Boston University School of Public Health and the Framingham Heart Study,Boston,MA,USA.
Marian T Hannan1Institute for Aging Research,Hebrew SeniorLife,1200 Centre Street,Boston,MA 02131,USA.
Harvard University · USHebrew SeniorLife · USBoston University · USUniversity of Massachusetts Lowell · US

Funding

RISK FACTORS FOR VERTEBRAL FRACTURE AND BONE LOSSR01AR041398 · NIAMS · RHODE ISLAND HOSPITAL (PROVIDENCE, RI) · PI KIEL, DOUGLAS P. · 1991 to 2025
$16.1M
Effect of Dietary Protein on Bone Mass, Subsequent Bone Loss and FractureR01AR053205 · NIAMS · HEBREW REHABILITATION CENTER FOR AGED · PI HANNAN, MARIAN T. · 2005 to 2008
$1.1M
THE FRAMINGHAM HEART STUDY-N01HC25195-268025195-268025195N01HC025195 · HC · TRUSTEES OF BOSTON UNIVERSITY · PI WOLF, PHILIP A · 2002 to 2006
–
NHLBI NIH HHS N01 HC025195NHLBI NIH HHS N01-HC-25195NIAMS NIH HHS AR041398NIAMS NIH HHS AR053205NIAMS NIH HHS R01 AR041398NIAMS NIH HHS R01 AR053205
6 · The paper itself

Abstract

objectiveTo examine (i) the association of percentage of total energy intake from protein (protein intake %) with bone mineral density (BMD, g/cm2) and bone loss at the femoral neck, trochanter and lumbar spine (L2-L4) and (ii) Ca as an effect modifier.

settingThe Framingham Offspring Study. SUBJECTS: Men (n 1280) and women (n 1639) completed an FFQ in 1992-1995 or 1995-1998 and underwent baseline BMD measurement by dual-energy X-ray absorptiometry in 1996-2000. Men (n 495) and women (n 680) had follow-up BMD measured in 2002-2005.

designCohort study using multivariable regression to examine the association of protein intake % with each BMD, adjusting for covariates. Statistical interaction between protein intake % and Ca (total, dietary, supplemental) intake was examined.

resultsThe mean age at baseline was 61 (sd 9) years. In the cross-sectional analyses, protein intake % was positively associated with all BMD sites (P range: 0·02-0·04) in women but not in men. Significant interactions were observed with total Ca intake (<800 mg/d v. ≥800 mg/d) in women at all bone sites (P range: 0·002-0·02). Upon stratification, protein intake % was positively associated with all BMD sites (P range: 0·04-0·10) in women with low Ca intakes but not in those with high Ca intakes. In the longitudinal analyses, in men, higher protein intake % was associated with more bone loss at the trochanter (P = 0·01) while no associations were seen in women, regardless of Ca intake.

conclusionsThis suggests that greater protein intake benefits women especially those with lower Ca intakes. However, protein effects are not significant for short-term changes in bone density. Contrastingly, in men, higher protein intakes lead to greater bone loss at the trochanter. Longer follow-up is required to examine the impact of protein on bone loss.

Indexed as

Bone DensityAbsorptiometry, PhotonAdultAgedAged, 80 and overBody Mass IndexCalcium, DietaryCohort StudiesCross-Sectional StudiesDietary ProteinsDietary SupplementsEnergy IntakeFemaleFemur NeckFollow-Up StudiesHumansCalcium, DietaryDietary ProteinsVitamin D

Identifiers

PMID24168918
PMCPMC4103961
OpenAlexW2139968635

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.