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Body composition changes in Caucasian and African American children and adolescents with obesity using dual-energy X-ray absorptiometry measurements after a 10-week weight loss program.

Abstract

OBJECTIVE

Changes in body composition during a weight loss program have not been described in children. We wanted to test the hypothesis that weight loss can be achieved while maintaining total body fat-free mass.

RESEARCH METHODS AND PROCEDURES

We determined body composition changes by using dual-energy X-ray absorptiometry measured at baseline and after the first 10 weeks of a multidisciplinary weight loss program. The program consisted of 10 weekly group sessions where the children were provided instruction in lifestyle modification, including diet and exercise. Program leaders included a pediatrician, psychologist, registered dietitian, and exercise instructor.

RESULTS

We studied 59 obese children, mean (+/-SD) age 12.8+/-2.6 years, 29% boys and 71% girls, 49% Caucasian, and 51% African American. At enrollment, the children's mean height and body mass index were 157 cm and 38.9 kg/m2, respectively. The children's dual-energy X-ray absorptiometry-derived mean at baseline and at 10 weeks and corresponding p values were: weight (94.6 kg vs. 92.3 kg, p<0.0001), total body fat mass (46.9 kg vs. 44.3 kg, p<0.0001), percentage total body fat (49.2% vs. 47.5%, p<0.0001), total trunk mass (43.0 kg vs. 41.5 kg, p<0.0001), total trunk fat (21.2 kg vs. 20.0 kg, p<0.0001), total body fat-free mass (47.6 kg vs. 47.9 kg, p=0.33), total body bone mass (2.7 kg vs. 2.7 kg, p=0.99), and total body bone mineral density (1.14 g/cm2 vs. 1.15 g/cm2, p=0.0119). The children's race, gender, or Tanner stage did not affect these changes.

DISCUSSION

Decreases in total body fat mass was achieved, and total body fat-free mass was maintained among boy and girl Caucasian and African American children participating in this lifestyle modification weight loss program.

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  • Authors+Show Affiliations

    ,

    Department of Pediatrics, Children's Hospital, University of Alabama at Birmingham, 35233, USA.

    , , ,

    Source

    Obesity research 6:5 1998 Sep pg 326-31

    MeSH

    Absorptiometry, Photon
    Adolescent
    African Continental Ancestry Group
    Body Composition
    Body Height
    Body Mass Index
    Child
    Diet, Reducing
    European Continental Ancestry Group
    Exercise
    Female
    Humans
    Male
    Obesity
    Weight Loss

    Pub Type(s)

    Journal Article
    Research Support, U.S. Gov't, P.H.S.

    Language

    eng

    PubMed ID

    9738547

    Citation

    Figueroa-Colon, R, et al. "Body Composition Changes in Caucasian and African American Children and Adolescents With Obesity Using Dual-energy X-ray Absorptiometry Measurements After a 10-week Weight Loss Program." Obesity Research, vol. 6, no. 5, 1998, pp. 326-31.
    Figueroa-Colon R, Mayo MS, Aldridge RA, et al. Body composition changes in Caucasian and African American children and adolescents with obesity using dual-energy X-ray absorptiometry measurements after a 10-week weight loss program. Obes Res. 1998;6(5):326-31.
    Figueroa-Colon, R., Mayo, M. S., Aldridge, R. A., Winder, T., & Weinsier, R. L. (1998). Body composition changes in Caucasian and African American children and adolescents with obesity using dual-energy X-ray absorptiometry measurements after a 10-week weight loss program. Obesity Research, 6(5), pp. 326-31.
    Figueroa-Colon R, et al. Body Composition Changes in Caucasian and African American Children and Adolescents With Obesity Using Dual-energy X-ray Absorptiometry Measurements After a 10-week Weight Loss Program. Obes Res. 1998;6(5):326-31. PubMed PMID: 9738547.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Body composition changes in Caucasian and African American children and adolescents with obesity using dual-energy X-ray absorptiometry measurements after a 10-week weight loss program. AU - Figueroa-Colon,R, AU - Mayo,M S, AU - Aldridge,R A, AU - Winder,T, AU - Weinsier,R L, PY - 1998/9/17/pubmed PY - 1998/9/17/medline PY - 1998/9/17/entrez SP - 326 EP - 31 JF - Obesity research JO - Obes. Res. VL - 6 IS - 5 N2 - OBJECTIVE: Changes in body composition during a weight loss program have not been described in children. We wanted to test the hypothesis that weight loss can be achieved while maintaining total body fat-free mass. RESEARCH METHODS AND PROCEDURES: We determined body composition changes by using dual-energy X-ray absorptiometry measured at baseline and after the first 10 weeks of a multidisciplinary weight loss program. The program consisted of 10 weekly group sessions where the children were provided instruction in lifestyle modification, including diet and exercise. Program leaders included a pediatrician, psychologist, registered dietitian, and exercise instructor. RESULTS: We studied 59 obese children, mean (+/-SD) age 12.8+/-2.6 years, 29% boys and 71% girls, 49% Caucasian, and 51% African American. At enrollment, the children's mean height and body mass index were 157 cm and 38.9 kg/m2, respectively. The children's dual-energy X-ray absorptiometry-derived mean at baseline and at 10 weeks and corresponding p values were: weight (94.6 kg vs. 92.3 kg, p<0.0001), total body fat mass (46.9 kg vs. 44.3 kg, p<0.0001), percentage total body fat (49.2% vs. 47.5%, p<0.0001), total trunk mass (43.0 kg vs. 41.5 kg, p<0.0001), total trunk fat (21.2 kg vs. 20.0 kg, p<0.0001), total body fat-free mass (47.6 kg vs. 47.9 kg, p=0.33), total body bone mass (2.7 kg vs. 2.7 kg, p=0.99), and total body bone mineral density (1.14 g/cm2 vs. 1.15 g/cm2, p=0.0119). The children's race, gender, or Tanner stage did not affect these changes. DISCUSSION: Decreases in total body fat mass was achieved, and total body fat-free mass was maintained among boy and girl Caucasian and African American children participating in this lifestyle modification weight loss program. SN - 1071-7323 UR - https://www.unboundmedicine.com/medline/citation/9738547/Body_composition_changes_in_Caucasian_and_African_American_children_and_adolescents_with_obesity_using_dual_energy_X_ray_absorptiometry_measurements_after_a_10_week_weight_loss_program_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&amp;sid=nlm:pubmed&amp;issn=1071-7323&amp;date=1998&amp;volume=6&amp;issue=5&amp;spage=326 DB - PRIME DP - Unbound Medicine ER -