Assessment of Change in Body Fat Percentage with DXA and Eight-Electrode BIA in Centrally Obese Women
To compare estimates of change in percent body fat (Delta%BF) between DXA and BIA8 in abdominally obese women. Six-month longitudinal study of 106 women (baseline: age 48.2 +/- 7.6 yr; BMI 30.4 +/- 2.9 kg.m; %BFDXA 45.8 +/- 3.6%) participating in an exercise-oriented behavior-change program (walking...
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| Veröffentlicht in: | Medicine and science in sports and exercise 2007-12, Vol.39 (12), p.2199-2203 |
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| creator | NEOVIUS, Martin UDDEN, Joanna HEMMINGSSON, Erik |
| description | To compare estimates of change in percent body fat (Delta%BF) between DXA and BIA8 in abdominally obese women.
Six-month longitudinal study of 106 women (baseline: age 48.2 +/- 7.6 yr; BMI 30.4 +/- 2.9 kg.m; %BFDXA 45.8 +/- 3.6%) participating in an exercise-oriented behavior-change program (walking and bicycling). Fatness was measured by DXA and Tanita BC-418 (BIA8). Agreement between methods was assessed, and regression analysis was used to find predictors of the deviation between methods for estimating changes in fat mass percentage.
The methods differed significantly, both at baseline and follow-up (-5.0 and -4.4%BF, respectively; both P < 0.001). The mean Delta%BF was -1.1 +/- 2.5%BFDXA and -0.5 +/- 2.2%BFBIA8 (mean difference between methods 0.6 +/- 1.8%BF; P < 0.001; 95% limits of agreement -3.0 to 4.2%BF), with a range of -14.8 to 3.3%BFDXA and -9.4 to 3.5%BFBIA8. Approximately 49% of the variation in the difference between methods was explained by variations in age (beta = -0.05; P = 0.006), DeltaBMI (beta = 0.98; P < 0.001), and Delta%BFDXA (beta = -0.71; P < 0.001), indicating that the larger the change, the greater the discrepancy between methods.
The difference between methods regarding Delta%BF was statistically significant, but it was of small magnitude. However, with increasing Delta%BF, increasing discrepancies were observed, implying that the BIA equipment may have limited validity for detecting larger fat losses. Both clinicians and researchers may benefit from awareness of this potential limitation. |
| doi_str_mv | 10.1249/mss.0b013e3181579.38a |
| format | Article |
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Six-month longitudinal study of 106 women (baseline: age 48.2 +/- 7.6 yr; BMI 30.4 +/- 2.9 kg.m; %BFDXA 45.8 +/- 3.6%) participating in an exercise-oriented behavior-change program (walking and bicycling). Fatness was measured by DXA and Tanita BC-418 (BIA8). Agreement between methods was assessed, and regression analysis was used to find predictors of the deviation between methods for estimating changes in fat mass percentage.
The methods differed significantly, both at baseline and follow-up (-5.0 and -4.4%BF, respectively; both P < 0.001). The mean Delta%BF was -1.1 +/- 2.5%BFDXA and -0.5 +/- 2.2%BFBIA8 (mean difference between methods 0.6 +/- 1.8%BF; P < 0.001; 95% limits of agreement -3.0 to 4.2%BF), with a range of -14.8 to 3.3%BFDXA and -9.4 to 3.5%BFBIA8. Approximately 49% of the variation in the difference between methods was explained by variations in age (beta = -0.05; P = 0.006), DeltaBMI (beta = 0.98; P < 0.001), and Delta%BFDXA (beta = -0.71; P < 0.001), indicating that the larger the change, the greater the discrepancy between methods.
The difference between methods regarding Delta%BF was statistically significant, but it was of small magnitude. However, with increasing Delta%BF, increasing discrepancies were observed, implying that the BIA equipment may have limited validity for detecting larger fat losses. Both clinicians and researchers may benefit from awareness of this potential limitation.</description><identifier>ISSN: 0195-9131</identifier><identifier>ISSN: 1530-0315</identifier><identifier>EISSN: 1530-0315</identifier><identifier>DOI: 10.1249/mss.0b013e3181579.38a</identifier><identifier>PMID: 18046191</identifier><identifier>CODEN: MSPEDA</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott Williams & Wilkins</publisher><subject>Abdominal Fat - metabolism ; Absorptiometry, Photon ; Adult ; Anthropometry - methods ; Bariatrics - instrumentation ; Biological and medical sciences ; Body Fat Distribution - statistics & numerical data ; Electric Impedance ; Exercise - physiology ; Female ; Fundamental and applied biological sciences. Psychology ; Humans ; Longitudinal Studies ; Middle Aged ; Obesity - epidemiology ; Obesity - metabolism ; Reproducibility of Results ; Space life sciences ; Time Factors ; Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><ispartof>Medicine and science in sports and exercise, 2007-12, Vol.39 (12), p.2199-2203</ispartof><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c489t-9a1442b4b07c10c9d192b3c68a5a0ddb881862bc9d87d19764ee29d53a73ba913</citedby><cites>FETCH-LOGICAL-c489t-9a1442b4b07c10c9d192b3c68a5a0ddb881862bc9d87d19764ee29d53a73ba913</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19901415$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18046191$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-4755$$DView record from Swedish Publication Index$$Hfree_for_read</backlink><backlink>$$Uhttp://kipublications.ki.se/Default.aspx?queryparsed=id:116301975$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>NEOVIUS, Martin</creatorcontrib><creatorcontrib>UDDEN, Joanna</creatorcontrib><creatorcontrib>HEMMINGSSON, Erik</creatorcontrib><title>Assessment of Change in Body Fat Percentage with DXA and Eight-Electrode BIA in Centrally Obese Women</title><title>Medicine and science in sports and exercise</title><addtitle>Med Sci Sports Exerc</addtitle><description>To compare estimates of change in percent body fat (Delta%BF) between DXA and BIA8 in abdominally obese women.
Six-month longitudinal study of 106 women (baseline: age 48.2 +/- 7.6 yr; BMI 30.4 +/- 2.9 kg.m; %BFDXA 45.8 +/- 3.6%) participating in an exercise-oriented behavior-change program (walking and bicycling). Fatness was measured by DXA and Tanita BC-418 (BIA8). Agreement between methods was assessed, and regression analysis was used to find predictors of the deviation between methods for estimating changes in fat mass percentage.
The methods differed significantly, both at baseline and follow-up (-5.0 and -4.4%BF, respectively; both P < 0.001). The mean Delta%BF was -1.1 +/- 2.5%BFDXA and -0.5 +/- 2.2%BFBIA8 (mean difference between methods 0.6 +/- 1.8%BF; P < 0.001; 95% limits of agreement -3.0 to 4.2%BF), with a range of -14.8 to 3.3%BFDXA and -9.4 to 3.5%BFBIA8. Approximately 49% of the variation in the difference between methods was explained by variations in age (beta = -0.05; P = 0.006), DeltaBMI (beta = 0.98; P < 0.001), and Delta%BFDXA (beta = -0.71; P < 0.001), indicating that the larger the change, the greater the discrepancy between methods.
The difference between methods regarding Delta%BF was statistically significant, but it was of small magnitude. However, with increasing Delta%BF, increasing discrepancies were observed, implying that the BIA equipment may have limited validity for detecting larger fat losses. Both clinicians and researchers may benefit from awareness of this potential limitation.</description><subject>Abdominal Fat - metabolism</subject><subject>Absorptiometry, Photon</subject><subject>Adult</subject><subject>Anthropometry - methods</subject><subject>Bariatrics - instrumentation</subject><subject>Biological and medical sciences</subject><subject>Body Fat Distribution - statistics & numerical data</subject><subject>Electric Impedance</subject><subject>Exercise - physiology</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Longitudinal Studies</subject><subject>Middle Aged</subject><subject>Obesity - epidemiology</subject><subject>Obesity - metabolism</subject><subject>Reproducibility of Results</subject><subject>Space life sciences</subject><subject>Time Factors</subject><subject>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><issn>0195-9131</issn><issn>1530-0315</issn><issn>1530-0315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkktvGyEUhVHVqnHT_oRWbNpNNQ53gBlYThznIUVKFn3tEDDX9rTzcGCsyP--WB4lyqLqCnTPdw6gAyEfgc0hF_qsi3HOHAOOHBTIUs-5sq_IDCRnGeMgX5MZAy0zDRxOyLsYfzPGSs7hLTkBxUQBGmYEqxgxxg77kQ4rutjYfo206en5UO_ppR3pPQafVJvGj824oRe_Kmr7mi6b9WbMli36MQw10vOb6uBbJDbYtt3TO4cR6c8hZb8nb1a2jfhhWk_J98vlt8V1dnt3dbOobjMvlB4zbUGI3AnHSg_M6xp07rgvlJWW1bVTClSRuySoMmllIRBzXUtuS-5seugpyY658RG3O2e2oels2JvBNmYa_Uk7NLIoGVeJ__pP_qL5UZkhrM262RhRSpnoL0d6G4aHHcbRdE302La2x2EXTaEZU5Dn_wVzJqQq-SFRHkEfhhgDrp5uAMwcajapZvOiZpNqTr5P0wE712H97Jp6TcDnCbDR23YVbO-b-MxpzUCkr_IX-QKw4A</recordid><startdate>20071201</startdate><enddate>20071201</enddate><creator>NEOVIUS, Martin</creator><creator>UDDEN, Joanna</creator><creator>HEMMINGSSON, Erik</creator><general>Lippincott Williams & Wilkins</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TS</scope><scope>7X8</scope><scope>ADTPV</scope><scope>AOWAS</scope><scope>DF1</scope></search><sort><creationdate>20071201</creationdate><title>Assessment of Change in Body Fat Percentage with DXA and Eight-Electrode BIA in Centrally Obese Women</title><author>NEOVIUS, Martin ; UDDEN, Joanna ; HEMMINGSSON, Erik</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c489t-9a1442b4b07c10c9d192b3c68a5a0ddb881862bc9d87d19764ee29d53a73ba913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Abdominal Fat - metabolism</topic><topic>Absorptiometry, Photon</topic><topic>Adult</topic><topic>Anthropometry - methods</topic><topic>Bariatrics - instrumentation</topic><topic>Biological and medical sciences</topic><topic>Body Fat Distribution - statistics & numerical data</topic><topic>Electric Impedance</topic><topic>Exercise - physiology</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Longitudinal Studies</topic><topic>Middle Aged</topic><topic>Obesity - epidemiology</topic><topic>Obesity - metabolism</topic><topic>Reproducibility of Results</topic><topic>Space life sciences</topic><topic>Time Factors</topic><topic>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>NEOVIUS, Martin</creatorcontrib><creatorcontrib>UDDEN, Joanna</creatorcontrib><creatorcontrib>HEMMINGSSON, Erik</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Physical Education Index</collection><collection>MEDLINE - Academic</collection><collection>SwePub</collection><collection>SwePub Articles</collection><collection>SWEPUB Gymnastik- och idrottshögskolan</collection><jtitle>Medicine and science in sports and exercise</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>NEOVIUS, Martin</au><au>UDDEN, Joanna</au><au>HEMMINGSSON, Erik</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Assessment of Change in Body Fat Percentage with DXA and Eight-Electrode BIA in Centrally Obese Women</atitle><jtitle>Medicine and science in sports and exercise</jtitle><addtitle>Med Sci Sports Exerc</addtitle><date>2007-12-01</date><risdate>2007</risdate><volume>39</volume><issue>12</issue><spage>2199</spage><epage>2203</epage><pages>2199-2203</pages><issn>0195-9131</issn><issn>1530-0315</issn><eissn>1530-0315</eissn><coden>MSPEDA</coden><abstract>To compare estimates of change in percent body fat (Delta%BF) between DXA and BIA8 in abdominally obese women.
Six-month longitudinal study of 106 women (baseline: age 48.2 +/- 7.6 yr; BMI 30.4 +/- 2.9 kg.m; %BFDXA 45.8 +/- 3.6%) participating in an exercise-oriented behavior-change program (walking and bicycling). Fatness was measured by DXA and Tanita BC-418 (BIA8). Agreement between methods was assessed, and regression analysis was used to find predictors of the deviation between methods for estimating changes in fat mass percentage.
The methods differed significantly, both at baseline and follow-up (-5.0 and -4.4%BF, respectively; both P < 0.001). The mean Delta%BF was -1.1 +/- 2.5%BFDXA and -0.5 +/- 2.2%BFBIA8 (mean difference between methods 0.6 +/- 1.8%BF; P < 0.001; 95% limits of agreement -3.0 to 4.2%BF), with a range of -14.8 to 3.3%BFDXA and -9.4 to 3.5%BFBIA8. Approximately 49% of the variation in the difference between methods was explained by variations in age (beta = -0.05; P = 0.006), DeltaBMI (beta = 0.98; P < 0.001), and Delta%BFDXA (beta = -0.71; P < 0.001), indicating that the larger the change, the greater the discrepancy between methods.
The difference between methods regarding Delta%BF was statistically significant, but it was of small magnitude. However, with increasing Delta%BF, increasing discrepancies were observed, implying that the BIA equipment may have limited validity for detecting larger fat losses. Both clinicians and researchers may benefit from awareness of this potential limitation.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott Williams & Wilkins</pub><pmid>18046191</pmid><doi>10.1249/mss.0b013e3181579.38a</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0195-9131 |
| ispartof | Medicine and science in sports and exercise, 2007-12, Vol.39 (12), p.2199-2203 |
| issn | 0195-9131 1530-0315 1530-0315 |
| language | eng |
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| source | MEDLINE; Journals@Ovid LWW Legacy Archive; Journals@Ovid Complete |
| subjects | Abdominal Fat - metabolism Absorptiometry, Photon Adult Anthropometry - methods Bariatrics - instrumentation Biological and medical sciences Body Fat Distribution - statistics & numerical data Electric Impedance Exercise - physiology Female Fundamental and applied biological sciences. Psychology Humans Longitudinal Studies Middle Aged Obesity - epidemiology Obesity - metabolism Reproducibility of Results Space life sciences Time Factors Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports |
| title | Assessment of Change in Body Fat Percentage with DXA and Eight-Electrode BIA in Centrally Obese Women |
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