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Body composition estimated by bioelectrical impedance in the Swedish elderly. Development of population-based prediction equation and reference values of fat-free mass and body fat for 70- and 75-y olds.
Eur J Clin Nutr. 2003 Aug; 57(8):909-16.EJ

Abstract

OBJECTIVE

To develop a bioelectrical impedance (BIA) prediction equation for fat-free mass (FFM(BIA)) and present reference values of FFM and body fat (BF) for healthy Swedish elderly from population-based representative samples.

SUBJECTS

This study is based on 823 (344 males, 479 females) participants from two systematic samples of birth cohorts in Göteborg aged 70 (cohort H70V, 201 males and 299 females) and 75 (cohort NORA75, 143 males and 180 females).

METHODS

Body composition was measured with BIA (BIA-101, RJL system, Detroit) in both cohorts and was estimated by a four-compartment (4C) model from total body water (TBW) and total body potassium (TBK) in a sub-sample of the NORA75 cohort. The FFM(BIA) was validated against the FFM from the 4C model (FFM(4C)).

RESULTS

The FFM(BIA) correlated well with FFM(4C) (r=0.95, SEE=2.64 kg). The FFM(BIA) (kg) in 70-y-old males and females were 58.5+/-5.4 and 43.4+/-4.4, and for 75-y-old males and females were 56.1+/-4.7 and 42.5+/-4, respectively. The body fat in kg (FM) among 70-y-old males and females were 25.2+/-8.1 and 25.7+/-8.4, and for 75-y-old males and females were 21.7+/-7.1 and 22.8+7.2, respectively. The percent body fat (BF%) among 70-y-old males and females were 29.5+/-5.8 and 36.3+/-6.4, and for 75-y-old males and females were 27.3+/-6 and 34.1+/-6.1, respectively.

CONCLUSION

The FFM, FM and BF% from this study might be used as reference values for Swedish elderly aged 70 and 75 y.

Authors+Show Affiliations

Department of Geriatric Medicine, Göteborg University, Sweden. debashish.dey@geriatrik.gu.seNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

12879085

Citation

Dey, D K., et al. "Body Composition Estimated By Bioelectrical Impedance in the Swedish Elderly. Development of Population-based Prediction Equation and Reference Values of Fat-free Mass and Body Fat for 70- and 75-y Olds." European Journal of Clinical Nutrition, vol. 57, no. 8, 2003, pp. 909-16.
Dey DK, Bosaeus I, Lissner L, et al. Body composition estimated by bioelectrical impedance in the Swedish elderly. Development of population-based prediction equation and reference values of fat-free mass and body fat for 70- and 75-y olds. Eur J Clin Nutr. 2003;57(8):909-16.
Dey, D. K., Bosaeus, I., Lissner, L., & Steen, B. (2003). Body composition estimated by bioelectrical impedance in the Swedish elderly. Development of population-based prediction equation and reference values of fat-free mass and body fat for 70- and 75-y olds. European Journal of Clinical Nutrition, 57(8), 909-16.
Dey DK, et al. Body Composition Estimated By Bioelectrical Impedance in the Swedish Elderly. Development of Population-based Prediction Equation and Reference Values of Fat-free Mass and Body Fat for 70- and 75-y Olds. Eur J Clin Nutr. 2003;57(8):909-16. PubMed PMID: 12879085.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Body composition estimated by bioelectrical impedance in the Swedish elderly. Development of population-based prediction equation and reference values of fat-free mass and body fat for 70- and 75-y olds. AU - Dey,D K, AU - Bosaeus,I, AU - Lissner,L, AU - Steen,B, PY - 2003/7/25/pubmed PY - 2003/12/19/medline PY - 2003/7/25/entrez SP - 909 EP - 16 JF - European journal of clinical nutrition JO - Eur J Clin Nutr VL - 57 IS - 8 N2 - OBJECTIVE: To develop a bioelectrical impedance (BIA) prediction equation for fat-free mass (FFM(BIA)) and present reference values of FFM and body fat (BF) for healthy Swedish elderly from population-based representative samples. SUBJECTS: This study is based on 823 (344 males, 479 females) participants from two systematic samples of birth cohorts in Göteborg aged 70 (cohort H70V, 201 males and 299 females) and 75 (cohort NORA75, 143 males and 180 females). METHODS: Body composition was measured with BIA (BIA-101, RJL system, Detroit) in both cohorts and was estimated by a four-compartment (4C) model from total body water (TBW) and total body potassium (TBK) in a sub-sample of the NORA75 cohort. The FFM(BIA) was validated against the FFM from the 4C model (FFM(4C)). RESULTS: The FFM(BIA) correlated well with FFM(4C) (r=0.95, SEE=2.64 kg). The FFM(BIA) (kg) in 70-y-old males and females were 58.5+/-5.4 and 43.4+/-4.4, and for 75-y-old males and females were 56.1+/-4.7 and 42.5+/-4, respectively. The body fat in kg (FM) among 70-y-old males and females were 25.2+/-8.1 and 25.7+/-8.4, and for 75-y-old males and females were 21.7+/-7.1 and 22.8+7.2, respectively. The percent body fat (BF%) among 70-y-old males and females were 29.5+/-5.8 and 36.3+/-6.4, and for 75-y-old males and females were 27.3+/-6 and 34.1+/-6.1, respectively. CONCLUSION: The FFM, FM and BF% from this study might be used as reference values for Swedish elderly aged 70 and 75 y. SN - 0954-3007 UR - https://www.unboundmedicine.com/medline/citation/12879085/Body_composition_estimated_by_bioelectrical_impedance_in_the_Swedish_elderly__Development_of_population_based_prediction_equation_and_reference_values_of_fat_free_mass_and_body_fat_for_70__and_75_y_olds_ L2 - http://dx.doi.org/10.1038/sj.ejcn.1601625 DB - PRIME DP - Unbound Medicine ER -