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Open AccessArticle

Evaluation of a Novel Tool for Screening Inadequate Food Intake in Age-Related Macular Degeneration Patients

1
Centre for Vision Research, Department of Ophthalmology and Westmead Institute for Medical Research, University of Sydney, Sydney, NSW 2006, Australia
2
Faculty of Health Sciences, University of Sydney, Sydney 2006, NSW 2151, Australia
3
Westmead Hospital, Western Sydney Local Health District, Westmead 2151, NSW 2151, Australia
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(12), 3031; https://doi.org/10.3390/nu11123031
Received: 11 November 2019 / Revised: 2 December 2019 / Accepted: 10 December 2019 / Published: 12 December 2019
Diet assessment tools provide valuable nutrition information in research and clinical settings. With growing evidence supporting dietary modification to delay development and progression of age-related macular degeneration (AMD), an AMD-specific diet assessment tool could encourage eye-care practitioners to refer patients in need of further dietary behavioural support to a dietitian and/or support network. Therefore, the aim of this study was to evaluate clinical use of a novel, short dietary questionnaire (SDQ-AMD) to screen for inadequate food intake in AMD patients by comparing it against a validated food frequency questionnaire (FFQ). Recruitment sources included Sydney-based private eye clinics and research databases (N = 155; 57% female; 78 ± 8 years). Scoring criteria based on the Australian Dietary Guidelines and dietary recommendations for AMD in literature were developed and applied to dietary data from the FFQ and SDQ-AMD. Bland–Altman plot of difference suggests agreement between the FFQ and SDQ-AMD as most mean difference scores were within the 95% CI (6.91, −9.94), and no significant bias between the scores as the mean score increased ((regression equation: y = 0.11x − 2.60) (95% CI: −0.058, 0.275, p-value = 0.20)). Scores were also significantly correlated (0.57, p ≤ 0.0001). The SDQ-AMD shows potential as a diet screening tool for clinical use, however, additional studies are warranted to validate the SDQ-AMD. View Full-Text
Keywords: age-related macular degeneration; diet adequacy; diet screening tool; nutrition age-related macular degeneration; diet adequacy; diet screening tool; nutrition
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Tang, D.; Mitchell, P.; Liew, G.; Burlutsky, G.; Flood, V.; Gopinath, B. Evaluation of a Novel Tool for Screening Inadequate Food Intake in Age-Related Macular Degeneration Patients. Nutrients 2019, 11, 3031.

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