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Objective: To evaluate sex- and age-stratified body composition (BC) parameters in subjects with wide age range of 20-79 years.

Design: Cross-sectional.

Setting: Participants of Tehran Lipid and Glucose Study (TLGS).

Participants: Two thousand nine hundred seventy participants met our inclusion criteria. They were divided into five age groups, and BC parameters were analysed based on sex and age using a bioelectrical impedance analyser (BIA).

Result: The mean age of the participants was 42·1 ± 12·5 years, and 54 % of them were males. The mean BMI was 26·7 ± 3·7 kg/m 2 . Obesity indices were significantly higher in females ( P < 0·001); however, skeletal muscle mass (SMM) and fat-free mass (FFM) were significantly higher in males ( P < 0·001). Both SMM and FFM decreased significantly after the age of 50 years. Obesity indices significantly increased from the age group of 20-29 to 30-39 years in males and the age groups of 30-39 to 40-49 years and 40-49 to 50-59 years in females. The fat mass ratio (fat mass/SMM) showed two peaks in both sexes (after the ages of 30 and 50 years in males and 40 and 50 years in females). A strong correlation was found between BMI and percentage of body fat ( r = 0·823 in females v . r = 0·768 in males).

Conclusion: This is the first community-based study in the MENA region identifying sex- and age-stratified BC values using BIA. Our findings can be used as a reference for comparison in appropriate settings.

Titel:	Comprehensive evaluation of body composition in a wide age range of Iranian adults using bioelectrical impedance analysis: Tehran Lipid and Glucose Study.
Autor/in / Beteiligte Person:	Mohamadzadeh, M ; Valizadeh, M ; Hosseinpanah, F ; Momenan, A ; Mahdavi, M ; Barzin, M ; Azizi, F
Link:	Full Text Finder (Volltext)
Zeitschrift:	Public health nutrition, Jg. 27 (2024-01-02), Heft 1, S. e24
Veröffentlichung:	<2007- > : Oxford : Cambridge University Press ; <i>Original Publication</i>: Wallingford, Oxon, UK : Published on behalf of the Nutrition Society by CAB International, c1998-, 2024
Medientyp:	academicJournal
ISSN:	1475-2727 (electronic)
DOI:	10.1017/S1368980023002835
Schlagwort:	Adult Male Female Humans Middle Aged Young Adult Aged Iran Electric Impedance Cross-Sectional Studies Lipids Body Mass Index Body Composition physiology Obesity epidemiology
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Journal Article Language: English [Public Health Nutr] 2024 Jan 02; Vol. 27 (1), pp. e24. <i>Date of Electronic Publication: </i>2024 Jan 02. MeSH Terms: Body Composition* / physiology ; Obesity* / epidemiology ; Adult ; Male ; Female ; Humans ; Middle Aged ; Young Adult ; Aged ; Iran ; Electric Impedance ; Cross-Sectional Studies ; Lipids ; Body Mass Index References: J Chiropr Med. 2016 Jun;15(2):155-63. (PMID: 27330520) ; Diabetes Metab Syndr Obes. 2018 Jun 01;11:241-253. (PMID: 29910627) ; Am J Epidemiol. 1998 Apr 15;147(8):755-63. (PMID: 9554417) ; Lancet. 2011 Aug 27;378(9793):815-25. (PMID: 21872750) ; Scand J Public Health. 2006;34(6):568-75. (PMID: 17132589) ; Arch Iran Med. 2010 May;13(3):243-4. (PMID: 20433230) ; Am J Clin Nutr. 2007 Nov;86(5):1339-46. (PMID: 17991644) ; Eur J Clin Nutr. 2001 Aug;55(8):663-72. (PMID: 11477465) ; Int J Obes Relat Metab Disord. 2002 Dec;26(12):1596-609. (PMID: 12461676) ; BMC Public Health. 2013 Sep 03;13:797. (PMID: 24004464) ; Obes Facts. 2008;1(6):319-24. (PMID: 20054195) ; Int J Cardiol. 2013 Jun 5;166(1):111-7. (PMID: 22088224) ; Clin Nutr. 2019 Oct;38(5):2325-2332. (PMID: 30389251) ; J Am Geriatr Soc. 2003 Nov;51(11):1602-9. (PMID: 14687390) ; Lancet. 2011 Feb 12;377(9765):557-67. (PMID: 21295846) ; J Gerontol A Biol Sci Med Sci. 2012 Jan;67(1):74-81. (PMID: 21350243) ; Clin Nutr. 2018 Dec;37(6 Pt A):2284-2287. (PMID: 29056283) ; Int J Obes Relat Metab Disord. 1999 Jul;23(7):771-4. (PMID: 10454113) ; J Physiol Anthropol Appl Human Sci. 2004 May;23(3):93-9. (PMID: 15187381) ; Eur J Clin Nutr. 2007 Apr;61(4):478-82. (PMID: 17063145) ; Int J Cancer. 2003 Jan 10;103(2):246-52. (PMID: 12455040) ; BMC Public Health. 2013 Jul 03;13:629. (PMID: 23819808) ; Clin Nutr. 2004 Oct;23(5):1226-43. (PMID: 15380917) ; J Am Med Dir Assoc. 2014 Jun;15(6):448.e1-6. (PMID: 24755478) ; Arch Gerontol Geriatr. 2021 Jul-Aug;95:104389. (PMID: 33713879) ; Nutr Metab Cardiovasc Dis. 2009 Sep;19(7):462-8. (PMID: 19185476) ; Medicine (Baltimore). 2018 Jun;97(25):e11152. (PMID: 29924020) ; Int J Obes (Lond). 2008 Jun;32(6):959-66. (PMID: 18283284) ; World Health Organ Tech Rep Ser. 2000;894:i-xii, 1-253. (PMID: 11234459) ; Front Endocrinol (Lausanne). 2022 Mar 24;13:857930. (PMID: 35399938) ; BMJ. 2021 Mar 16;372:n365. (PMID: 33727242) ; Ann Hum Biol. 2003 Jul-Aug;30(4):380-91. (PMID: 12881138) ; J Exerc Rehabil. 2018 Aug 24;14(4):621-627. (PMID: 30276183) ; J Cachexia Sarcopenia Muscle. 2020 Apr;11(2):487-496. (PMID: 31943835) Contributed Indexing: Keywords: Body composition; Fat mass; Fat mass ratio (FMR); Fat-free mass Substance Nomenclature: 0 (Lipids) Entry Date(s): Date Created: 20240102 Date Completed: 20240115 Latest Revision: 20240202 Update Code: 20240202 PubMed Central ID: PMC10830361

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Comprehensive evaluation of body composition in a wide age range of Iranian adults using bioelectrical impedance analysis: Tehran Lipid and Glucose Study.