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Erschienen in: Osteoporosis International 1/2011

01.01.2011 | Short Communication

Does dietary protein reduce hip fracture risk in elders? The Framingham osteoporosis study

verfasst von: D. Misra, S. D. Berry, K. E. Broe, R. R. McLean, L. A. Cupples, K. L. Tucker, D. P. Kiel, M. T. Hannan

Erschienen in: Osteoporosis International | Ausgabe 1/2011

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Abstract

Summary

Association between dietary protein and fracture risk is unclear. We examined association between energy-adjusted protein intake and hip fracture risk in elders. The risk of hip fracture was reduced in upper quartiles of protein intake when compared with lowest quartile.

Introduction

Studies of the association between dietary protein intake and hip fracture risk are conflicting. Therefore, we examined protein intake and hip fracture risk in a population-based group of elderly men and women.

Methods

Five hundred seventy-six women and 370 men from the Framingham Osteoporosis Study with no previous history of hip fracture completed Food Frequency Questionnaires. Energy-adjusted protein intake was evaluated as a continuous variable and as quartiles. Incidence rates and hazard ratios were calculated, adjusting for age, BMI, sex, and energy intake.

Results

Among 946 participants (mean age 75 years), mean protein intake was found to be 68 gm/d. Increased protein intake was associated with a decreased risk of hip fracture compared to those in the lowest quartile of protein intake (Q2 HR = 0.70, Q3 HR = 0.56, and Q4 HR = 0.63; all p values ≥ 0.044), p for trend was 0.07. When a threshold effect was considered (Q2–4 vs Q1), intakes in the higher quartiles combined were associated with a significantly lower risk for hip fracture (HR = 0.63; p = 0.04).

Conclusion

Our results are consistent with reduced risk of hip fracture with higher dietary protein intake. Larger prospective studies are needed to confirm and extend this finding in elderly men and women.
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Metadaten
Titel
Does dietary protein reduce hip fracture risk in elders? The Framingham osteoporosis study
verfasst von
D. Misra
S. D. Berry
K. E. Broe
R. R. McLean
L. A. Cupples
K. L. Tucker
D. P. Kiel
M. T. Hannan
Publikationsdatum
01.01.2011
Verlag
Springer-Verlag
Erschienen in
Osteoporosis International / Ausgabe 1/2011
Print ISSN: 0937-941X
Elektronische ISSN: 1433-2965
DOI
https://doi.org/10.1007/s00198-010-1179-4

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