Inadequate Dietary Trace Mineral Intake in Community-dwelling Older Adults in the UK

Conference: The European Conference on Aging & Gerontology (EGen2022)
Title: Inadequate Dietary Trace Mineral Intake in Community-dwelling Older Adults in the UK
Stream: Lifespan Health Promotion
Presentation Type: Poster Presentation
Zeynep Vural, University of Nottingham, United Kingdom
Amanda Avery, University of Nottingham, United Kingdom
Simon Welham, University of Nottingham, United Kingdom
Lisa Coneyworth, University of Nottingham, United Kingdom


Introduction: The UK population has an ageing trend and older adults are at greater risk of insufficient nutrition. This cross-sectional study aimed to investigate dietary intakes and the prevalence of inadequacies of key trace minerals among a sample of community-dwelling older adults in Nottinghamshire, UK. Methods: A cross-sectional study in community-dwelling older adults aged ≥65 years in a region of East Midlands. Demographics and health-related information were collected via a questionnaire. Dietary intake was assessed using a seven day weighed and estimated food and drink diary. Reference Nutrient Intakes (RNI) was used to determine the prevalence of dietary insufficiency. Results: Of the 23 participants, 60.9% were male, 95.7% were white, 60.9% were overweight or obese, 73% were 65-74 years (mean age 72.5±5.63), and 30.4% had polypharmacy. The mean dietary intakes of were; iron 9.26±2.26mg, zinc 7.33±1.17mg, copper 1.22±0.2mg, iodine 131.6±33.78μg and selenium 43.18±7.76μg. No participants met the RNI for selenium with 39.1% not achieving the lower RNI value. Comparing to the respective RNIs, dietary inadequacies were seen for zinc (82.6%), iodine (65.2%), copper (56.5%) and iron (52.2%). There were no differences in the intake of these five minerals between age groups (65-74 v. 75+ years) and genders (p>0.05).
Conclusions: A high prevalence of inadequate dietary intake of five important minerals was observed in this small sample of community-dwelling older adults. These dietary insufficiencies might have significant health consequences and impact on quality of life. More studies and further attention is required to improve the dietary mineral intake of older community-dwellers.

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