Dietary Inflammatory Index is Not Associated with Bone Mineral Density in Functionally Able Community-dwelling Older Adults

Overview

Journal Eur J Nutr

Specialty Nutritional Sciences

Date 2024 Sep 24

PMID 39317870

Authors

Corey Linton

Mia A Schaumberg

Hattie H Wright

Affiliations

Soon will be listed here.

Abstract

Background: Osteoporosis poses a significant health and quality-of-life burden on older adults, particularly with associated fractures after a fall. A notable increase in pro-inflammatory cytokines associated with aging contributes to a decline in bone mineral density (BMD). Certain food components have been shown to influence an individual's inflammatory state and may contribute to optimal bone health as a modifiable risk factor, particularly later in life. This study aims to explore the relationship between the dietary inflammatory index (DII) and dietary intake with BMD in community-dwelling older adults.

Methods: Heathy community-dwelling older adults aged 65-85 years. DII scores were calculated using 24-h dietary recalls, and lumbar spine (L1-L4) and femoral neck (ward's triangle) BMD was assessed via dual-energy x-ray absorptiometry.

Results: A total of 94 participants were recruited (72.9 ± 4.9 years, 76.6% female) with 61.7% identified having an anti-inflammatory diet (average DII = - 0.50 ± 1.6), 88.3% were physically active, 47.8% were osteopenic and 27.7% osteoporotic. There was no significant difference between DII scores, nutrient or food group intake in groups stratified by BMD T-Score except for lean meats and alternatives food group (p = 0.027). Multiple regression analysis found no associations between DII and lumbar spine (unadjusted model β = 0.020, p = 0.155) or femoral neck BMD (unadjusted model β = - 0.001, p = 0.866).

Conclusion: Most of this cohort of functionally able community-dwelling older adults followed an anti-inflammatory diet. DII and dietary intake were not associated with BMD. This research underlines the complex interplay between modifiable and non-modifiable risk factors on the BMD of older, physically active adults.

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