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conferenceseries
.com
February 20-21, 2017 Berlin, Germany
9
th
International Congress on
Nutrition & Health
Volume 7 Issue 1 (Suppl)
J Nutr Food Sci
ISSN:2155-9600 JNFS, an open access journal
Nutrition & Health 2017
February 20-21, 2017 Berlin, Germany
High degree of BMI misclassification of malnutrition among Swedish elderly population: Age-adjusted
height estimation using knee height and demi-span
Nivetha Natarajan Gavriilidou
Lund University, Sweden
T
he degree of misclassification of obesity and undernutrition among elders owing to inaccurate height measurements is investigated
using height predicted by knee height (KH) and demi-span equations. Cross-sectional investigation was done among a random
heterogeneous sample from five municipalities in Southern Sweden from a general population study 'Good Aging in Skåne' (GÅS).
The sample comprised two groups: Group 1 (KH) including 2839 GÅS baseline participants aged 60-93 years with a valid KH
measurement; and Group 2 (demi-span) including 2871 GÅS follow-up examination participants (1573 baseline; 1298 new), aged
60-99 years, with a valid demi-span measurement. Participation rate was 80%. Height, weight, KH and demi-span were measured.
KH and demi-span equations were formulated using linear regression analysis among participants aged 60-64 years as reference.
Body mass index (BMI) was calculated in kg/m
2
. The results obtained were: undernutrition prevalences in men and women were
3.9 and 8.6% by KH, compared with 2.4 and 5.4% by standard BMI, and more pronounced for all women aged 85+ years (21% vs.
11.3%). The corresponding value in women aged 85+ years by demi-span was 16.5% vs. 10% by standard BMI. Obesity prevalences
in men and women were 17.5 and 14.6% by KH, compared with 19.0 and 20.03% by standard BMI. Values among women aged 85+
years were 3.7% vs. 10.4% by KH and 6.5% vs. 12.7% by demi-span compared with the standard. In conclusion, there is an age-related
misclassification of undernutrition and obesity attributed to inaccurate height estimation among the elderly. This could affect the
management of patients at true risk. We therefore propose using KH- and demispan-based formulae to address this issue.
Biography
Nivetha Natarajan Gavriilidou has her expertise in Dentistry and Geriatric Epidemiology and passion in improving the health and wellbeing of elderly adults. Her
research efforts in Swedish geriatric nutritional studies open doors for possibilities for interdisciplinary research for example, i.e., oral health among elderly and
multi-morbidity. The current study shows that there is an age-related misclassification of undernutrition and obesity attributed to inaccurate height estimation among
the elderly. This could affect the management of patients at true risk. We therefore propose using KH- and demi-span-based formulae to address this issue.
nivetha.natarajan@med.lu.seNivetha Natarajan Gavriilidou, J Nutr Food Sci 2017, 7:1 (Suppl)
http://dx.doi.org/10.4172/2155-9600.C1.038