Association between dietary protein intake and changes in health-related quality of life in older adults: findings from the AusDiab 12-year prospective study.
| Title: | Association between dietary protein intake and changes in health-related quality of life in older adults: findings from the AusDiab 12-year prospective study. |
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| Authors: | Matison AP; Deakin University, Institute for Physical Activity and Nutrition, 221 Burwood Highway, Burwood, Victoria, 3125, Australia. a.matison@unsw.edu.au.; Centre for Healthy Brain Ageing, University of New South Wales, School of Psychiatry, Level 1, AGSM (G27) Gate 11, Botany Street, Sydney, New South Wales, 2052, Australia. a.matison@unsw.edu.au.; Milte CM; Deakin University, Institute for Physical Activity and Nutrition, 221 Burwood Highway, Burwood, Victoria, 3125, Australia.; Shaw JE; Baker Heart and Diabetes Institute, Level 4, 99 Commercial Road, Melbourne, Victoria, 3004, Australia.; Magliano DJ; Baker Heart and Diabetes Institute, Level 4, 99 Commercial Road, Melbourne, Victoria, 3004, Australia.; Daly RM; Deakin University, Institute for Physical Activity and Nutrition, 221 Burwood Highway, Burwood, Victoria, 3125, Australia.; Torres SJ; Deakin University, Institute for Physical Activity and Nutrition, 221 Burwood Highway, Burwood, Victoria, 3125, Australia. |
| Source: | BMC geriatrics [BMC Geriatr] 2022 Mar 16; Vol. 22 (1), pp. 211. Date of Electronic Publication: 2022 Mar 16. |
| Publication Type: | Journal Article; Research Support, Non-U.S. Gov't |
| Language: | English |
| Journal Info: | Publisher: BioMed Central Country of Publication: England NLM ID: 100968548 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2318 (Electronic) Linking ISSN: 14712318 NLM ISO Abbreviation: BMC Geriatr Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: London : BioMed Central, [2001]- |
| MeSH Terms: | Dietary Proteins* ; Quality of Life*; Australia/epidemiology ; Aged ; Female ; Health Status ; Humans ; Male ; Middle Aged ; Prospective Studies |
| Abstract: | Background: Adequate dietary protein intake is recommended for older adults to optimise muscle health and function, and support recovery from illness, however, its effect on health-related quality of life (HRQoL) is unclear. The aim of this study was to examine the association between total protein intake and different sources of dietary protein and HRQoL in Australians aged 60 years and older over a 12-year period.; Methods: This study used data from the Australian Diabetes, Obesity and Lifestyle study (AusDiab), a 12-year population-based prospective study. The sample included 752 (386 females) adults aged 60 years and older. Protein intake was estimated at baseline (1999/2000) from a 74-item Food Frequency Questionnaire, and HRQoL using the 36-item Short-form Health Survey assessed at baseline (1999/2000) and after 12 years (2011/12). The association between protein intake and change in HRQoL was evaluated using multivariate regression analysis adjusted for relevant confounders. The difference in change in HRQoL between participants with total protein intakes of 1.2 g/kg/day were assessed using one-way ANCOVA.; Results: Total protein intake at baseline was not associated with 12-year changes in physical component summary (PCS) or mental component summary (MCS) scores of HRQoL. Higher animal, red meat and processed animal protein intakes were associated with deteriorations in PCS scores after adjusting for relevant confounders (β = - 0.04; 95% CI: - 0.07, -0.01 ; p = 0.009; β = - 0.05; 95% CI: - 0.08, - 0.01; p = 0.018; β = - 0.17; 95% CI: - 0.31, - 0.02; p = 0.027 respectively). Higher red meat protein intake was associated with deteriorations in MCS scores after adjusting for relevant confounders (β = - 0.04; 95% CI: - 0.08, - 0.01; p = 0.011). There was no difference in 12-year changes in PCS or MCS between participants consuming total protein of 1.2 g/kg/day.; Conclusion: There was no relationship between total dietary protein intake and HRQoL, but higher protein intakes from animal, red meat and processed animal sources were associated with a deterioration in HRQoL scores over 12 years. Due to the number of associations examined and high drop out of older less healthy participants, further research is required to confirm the associations detected in healthy and less healthy participants, with a view to making protein intake recommendations for older adults.; (© 2022. The Author(s).) |
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| Contributed Indexing: | Keywords: Dietary protein; Longitudinal study; Older adults; Quality of life |
| Substance Nomenclature: | 0 (Dietary Proteins) |
| Entry Date(s): | Date Created: 20220316 Date Completed: 20220415 Latest Revision: 20220415 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC8925096 |
| DOI: | 10.1186/s12877-022-02894-y |
| PMID: | 35291939 |
| Database: | MEDLINE |
Journal Article; Research Support, Non-U.S. Gov't