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Showing 1 to 12 of 14 entries
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MAINTAINING FUNCTION WITH AGING WHAT WE HAVE LEARNED FROM THE FELS LONGITUDINAL STUDY.

The Journal of frailty & aging

Chumlea WC, Choh A, Lee M, Towne B, Duren D, Siervogel RM, Czerwmski S.
PMID: 25300405
J Frailty Aging. 2012;1(2):50-51.

No abstract available.

Reply.

American journal of human biology : the official journal of the Human Biology Council

Chumlea WC, Guo SS, Siervogel RM.
PMID: 28557029
Am J Hum Biol. 1995;7(3):290-291. doi: 10.1002/ajhb.1310070304.

No abstract available.

Reliability for multiple frequency bioelectric impedance.

American journal of human biology : the official journal of the Human Biology Council

Chumlea WC, Guo SS, Bellisari A, Baumgartner RN, Siervogel RM.
PMID: 28548267
Am J Hum Biol. 1994;6(2):195-202. doi: 10.1002/ajhb.1310060207.

Multifrequency impedance may help to quantify body fluid compartments and levels of hydration among individuals. Most studies of bioelectric impedance use impedance machines operating at a frequency of 50 kHz, and observer error is low. The present study evaluates...

Tracking of body mass index in children in relation to overweight in adulthood.

The American journal of clinical nutrition

Chumlea WC, Guo SS.
PMID: 10393162
Am J Clin Nutr. 1999 Jul;70(1):145S-148S. doi: 10.1093/ajcn/70.1.145s.

Body mass index (BMI; in kg/m2) values at or above the 75th percentile are associated with increased morbidity and mortality in adulthood, and there are significant correlations between BMI values in childhood and in adulthood. The present study addresses...

Statistical effects of varying sample sizes on the precision of percentile estimates.

American journal of human biology : the official journal of the Human Biology Council

Guo SS, Roche AF, Chumlea WC, Johnson C, Kuczmarski RJ, Curtin R.
PMID: 11534005
Am J Hum Biol. 2000 Jan;12(1):64-74. doi: 10.1002/(SICI)1520-6300(200001/02)12:1<64::AID-AJHB8>3.0.CO;2-N.

The present study evaluates the precision of outlying percentile estimates, with age- and sex-associated variations and facilitates decisions needed to revise the current NCHS 1977 Growth Charts with regard to 1) the inclusion of 3(rd) and 97(th) percentiles and...

The FELS method of assessing the skeletal maturity of the hand-wrist.

American journal of human biology : the official journal of the Human Biology Council

Chumela WC, Roche AF, Thissen D.
PMID: 28514006
Am J Hum Biol. 1989;1(2):175-183. doi: 10.1002/ajhb.1310010206.

The FELS method of assessing the skeletal maturity of the hand-wrist differs from the Greulich-Pyle and Tanner-Whitehouse methods in the observations made, the provision of a range of shapes to which maturity indicator grades can be assigned and in...

Mathematical modelling of human growth: A comparative study.

American journal of human biology : the official journal of the Human Biology Council

Guo S, Siervogel RM, Roche AF, Chumlea WC.
PMID: 28524403
Am J Hum Biol. 1992;4(1):93-104. doi: 10.1002/ajhb.1310040112.

Kernel regression is a nonparametric procedure that provides good approximations to individual serial data. The method is useful and flexible when a parametric method is inappropriate due to restricted assumptions on the shape of the curve. In the present...

Serial changes in blood pressure from childhood into young adulthood for females in relation to body mass index and maturational age.

American journal of human biology : the official journal of the Human Biology Council

Guo S, Chi E, Wisemandle W, Chumlea WC, Roche AF, Siervogel RM.
PMID: 28561536
Am J Hum Biol. 1998;10(5):589-598. doi: 10.1002/(SICI)1520-6300(1998)10:5<589::AID-AJHB5>3.0.CO;2-9.

This study determines: (1) patterns of change from childhood to young adulthood in body mass index (BMI), systolic blood pressure (SBP), and diastolic blood pressure (DBP), (2) effects of elevated BMI values on changes in blood pressures (BP), (3)...

Body composition measures from underwater weighing and dual energy X-ray absorptiometry in black and white girls: A comparative study.

American journal of human biology : the official journal of the Human Biology Council

Morrison JA, Khoury PR, Campaigne BN, Chumlea WMC, Specker B, Campaign BN, Guo SS.
PMID: 28548262
Am J Hum Biol. 1994;6(4):481-490. doi: 10.1002/ajhb.1310060409.

The purpose of this study was to compare estimates of body composition in two ethnic groups, 31 black and 38 white girls 10 through 16 years of age, to establish accurate and precise laboratory standards for field measures of...

Prediction of fat-free mass in black and white pre-adolescent and adolescent girls from anthropometry and impedance.

American journal of human biology : the official journal of the Human Biology Council

Guo SS, Khoury PR, Specker B, Heubi J, Chumlea WC, Siervogel RM, Morrison JA.
PMID: 28548354
Am J Hum Biol. 1993;5(6):735-745. doi: 10.1002/ajhb.1310050617.

As an ancillary project of the National Heart Lung and Blood Institute's Growth and Health Study (NGHS), data of 31 black girls and 38 white girls, 10-16 years of age, were used to develop equations to predict fat-free mass...

Maturity and its relationship to plasma lipid and lipoprotein levels in adolescents: The Fels longitudinal study.

American journal of human biology : the official journal of the Human Biology Council

Siervogel RM, Baumgartner RN, Roche AF, Chumlea WC, Glueck CJ.
PMID: 28514007
Am J Hum Biol. 1989;1(2):217-226. doi: 10.1002/ajhb.1310010212.

During adolescence, changes in lipid and lipoprotein levels have been reported to be associated with changes in body composition and changes in endogenous testosterone and estradiol. These hormone levels are directly correlated with sexual and skeletal maturity levels. The...

Changes in anthropometric indices of body composition with age in a healthy elderly population.

American journal of human biology : the official journal of the Human Biology Council

Chumlea WC, Rhyne RL, Garry PJ, Hunt WC.
PMID: 28514105
Am J Hum Biol. 1989;1(4):457-462. doi: 10.1002/ajhb.1310010408.

Changes in body composition are known to occur with old age, but there is limited knowledge of the normal values rates of change in anthropometric indices of body composition or the distribution of these changes in the elderly. In...

Showing 1 to 12 of 14 entries