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[Jena longitudinal study of the growth of 0-3 year old children. 2: Percentile curves for body height, body weight, height related weight and growth rate].

Charts for body length and height, body weight, and height- and weight velocity basing on a longitudinal study with 306 children from the newborn age to 3 years of age, are presented. Length and weight velocity are strongest in the time between the 4th and 8th week of life. From the first to the fourth trimester velocities decrease continuously.

Adolescent↗

Distribution of body weight, height and body mass index in a national sample of Malaysian adults.

We describe the distribution of body weight, height and body mass index (BMI) by age, sex and ethnicity in Malaysian adults. A national sample of 28,737 individuals aged 20 or older had usable data. They were selected by stratified 2-stage cluster sampling. Percentile tables and curves by age, sex and ethnicity are presented. The body weight and BMI distributions were right skewed, while that of height was symmetrical. BMI distribution showed the expected increase with age, while that of height decrease with age. Differences in BMI between the 2 sexes and among the 4 ethnic groups were observed. Indian had the highest BMI, followed by Malay, Chinese and other indigenous ethnic group.

Adult↗

Analysis of brain weight. II. Adult brain weight in relation to body height, weight, and surface area.

Analysis of 1,261 adult subjects, ages 25 to 80 years, showed that there is a positive relationship between the brain weight and the body dimensions. The brain weight, however, increases at a slower rate than the body dimensions. There is indication that only a small portion of the brain varies with variation in the body dimensions. Among parameters, the brain weight correlates best with the body surface area, followed by the body height and body weight. The brain weight is related to the body weight partly because it increases with increasing height. When adjusted to body dimensions, the brain weight is greater for white men than for black men and for white women than for black men. Our study also shows that the loss of brain mass proceeds at a slightly faster rate than loss of body mass.

Adult↗

Mean body weight, height, and body mass index, United States 1960-2002.

This report presents trends in national estimates of mean weight, height, and body mass index (BMI) from the National Health Examination and the National Health and Nutrition Examination Surveys between 1960 and 2002. The tables included in this report present data for adults by sex, race/ethnicity, and age group and for children by sex and year of age. Mean weight and BMI have increased for both sexes, all race/ethnic groups, and all ages. Among adults, mean weight increased more than 24 pounds. Although not as dramatically, mean height has also increased for most ages and for both males and females.

Adolescent↗

Major gene control of human body height, weight and BMI in five ethnically different populations.

Pedigree samples were collected from five ethnically and geographically different populations: Kirghizians, Turkmenians, Chuvashians, Israelis and Mexicans. All studied individuals were assessed for body height, weight and BMI. The sample size in the studied pedigrees ranged from 381 to 1811 individuals. Segregation analysis of these traits preliminarily adjusted for sex and age was performed by means of program package MAN that provides parameter estimates for the major gene effects, for the residual within the genotype correlations between relatives and for the assortative mating. By the usual transmission probability tests, the 'environmental' model was strongly rejected for all measured traits in all 5 populations. The major gene mode of inheritance, however, was accepted for all traits. The results of analysis in 5 populations were remarkably similar, and showed that except for Mexican sample, the proportion of variance attributable to major gene effect ranged between 37 and 53% for body weight and height. In the Mexican sample it explained only about 14% of the body weight variation. The proportion of inter-individual variation in BMI attributable to major gene effect was consistently lower in all populations in comparison with height and weight and ranged between 17 and 40%. Strong assortative mating in body height, as estimated by correlation between putative major gene genotypes in spouses, was found in four populations, not including Mexican pedigrees.

Adolescent↗

Marker genotypes and population admixture and their association with body weight, height and relative body mass in United States federal bison herds.

Elucidating genetic influences on bison growth and body composition is of interest, not only because bison are important for historical, cultural, and agricultural reasons, but also because their unusual population history makes them valuable models for finding influential loci in both domestic cattle and humans. We tested for trait loci associated with body weight, height, and bison mass index (BMI) while controlling for estimated ancestry to reduce potential confounding effects due to population admixture in 1316 bison sampled from four U.S. herds. We used 60 microsatellite markers to model each phenotype as a function of herd, sex, age, marker genotypes, and individual ancestry estimates. Statistical significance for genotype and its interaction with ancestry was evaluated using the adaptive false discovery rate. Of the four herds, two appeared to be admixed and two were nonadmixed. Although none of the main effects of the loci were significant, estimated ancestry and its interaction with marker loci were significantly associated with the phenotypes, illustrating the importance of including ancestry in the models and the dependence of genotype-phenotype associations on background ancestry. Individual loci contributed approximately 2.0% of variation in weight, height, and BMI, which confirms the utility and potential importance of adjusting for population stratification.

Animals↗

Body height, weight, and skeletal maturation in Hottentot (Khoikhoi) children.

Growth of body height and weight and skeletal maturation are discussed, based on 49 male and 61 female Hottentot children aged 3 to 17 years from Warmbad, Namibia (South West Africa) and 124 boys and 113 girls aged 1 to 21 years of related populations, the Rehoboth Basters of Namibia and Cape Coloreds from Cape Town, South Africa. The related populations are taller and heavier than the Hottentots, and have almost the same body height as American blacks and whites at least after the age of 18 years. In the Hottentots and Rehoboth Basters, the mean TW2 skeletal age is always less than the British standard by one or two years in both sexes. In general, the Rehoboth Basters have a skeletal age that is intermediate between Hottentot and British children. In both Hottentots and Rehoboth Basters, the increase in body height shows a linear relation to the skeletal age, and the regression curves are almost parallel in both sexes. The differences in body height and weight between the Hottentots and Rehoboth Basters become greater after the skeletal ages of 15 years for boys and 13 years for girls.

Adolescent↗

Atherosclerosis precursors in Finnish children and adolescents. II. Height, weight, body mass index, and skinfolds, and their correlation to metabolic variables.

In a Finnish Multicentre Study, height, weight and skinfold thicknesses were measured in 3-, 6-, 9-, 12-, 15-, and 18-year-old children (N = 3,596). Height and weight percentiles superimposed on the current Finnish growth charts were above the standards in 6-15-year-old boys and 3-12-year-old girls. Triceps skinfold thickness percentiles (10% and 90%) appeared to be closest to British values and below American values. Weight, body mass index (BMI) and skinfold thicknesses showed good intercorrelations (up to .90) except in young boys. Height had a low positive correlation with BMI (.28 to .36) and with skinfold thickness (.23 to .36) in the age groups 6-12 years. BMI and subscapular skinfold seem to be useful obesity indicators. No consistent correlations were seen between physical variables and serum LDL- or total cholesterol and apoprotein B concentrations. There was a slight negative correlation between the physical variables and serum HDL-cholesterol. Apoprotein A1 correlated negatively to all obesity indicators in 12-year-old girls. Serum triglycerides showed slight positive correlation to physical variables. BMI and skinfolds had a low to moderate correlation with insulin (.21-.51) mainly in the three oldest age groups. On the ground of BMI and skinfold measurements we have reason to believe that the prevalence of obesity at 3-18 years of age is similar in Finland as in other countries in Europe.

Adolescent↗

Changes in brain weights during the span of human life: relation of brain weights to body heights and body weights.

More than 20,000 autopsy reports from several general hospitals were surveyed for the purpose of selecting brains without a pathological lesion that had been weighed in the fresh condition. From this number, 2,773 males and 1,963 females were chosen for whom body weight, body height, and cause of death had been recorded. The data were segregated into 23 age groups ranging from birth to 86+ years and subjected to statistical evaluation. Overall, the brain weights in males were greater than in females by 9.8%. The largest increases in brain weights in both sexes occurred during the first 3 years of life, when the value quadruples over that at birth, while during the subsequent 15 years the brain weight barely quintuples over that at birth. Progressive decline in brain weight begins at about 45 to 50 years of age and reaches its lowest values after age 86 years, by which time the mean brain weight has decreased by about 11% relative to the maximum brain weight attained in young adults (about 19 years of age). Computed regression lines for brain weights versus body heights and body weights and for ratios for brain weights to body heights and weights versus age groups show clearly differential rates of change in brain weights which are less affected by sex.

Adolescent↗

Height, weight, body mass index and pubertal development references for children of Moroccan origin in The Netherlands.

AIM: To provide growth and sexual maturation reference data for Moroccan children living in The Netherlands and to compare them with the reference data of children of Dutch origin. METHODS: Cross-sectional growth and demographic data were collected from 2880 children of Moroccan origin and 14,500 children of Dutch origin living in The Netherlands in the age range 0-20 y. Growth references for length, height, weight, weight-for-height, body mass index (BMI) and head circumference were constructed with the LMS method. Predictive variables for height and BMI were assessed by regression analyses. Reference curves for sexual maturation were estimated by a generalized additive model. RESULTS: Moroccan young adults were on average 9 cm shorter than their Dutch contemporaries. Mean final height was 174.7 cm for males and 161.3 cm for females. Height differences in comparison with Dutch children increase from 2 y onwards. Height SDS was predominantly associated with target height. Compared to Dutch children, maturation started 0.2 and 0.9 y later for girls and boys, respectively. Median age at menarche was 12.9 y, 3.6 mo earlier than in Dutch girls (p = 0.001). BMI of Moroccan children was above that of Dutch children, especially for girls. BMI SDS was associated with birthweight in the age group 0 - < or = 5 y. CONCLUSION: Moroccan children living in The Netherlands are substantially shorter than Dutch children. Girls have higher weight-for-height and BMI for age. Median age at menarche occurs earlier. Given these differences, separate growth charts for the Moroccan children are useful.

Adolescent↗

Height, weight, body mass index and pubertal development reference values for children of Turkish origin in the Netherlands.

UNLABELLED: The aim of this study was to provide growth and sexual maturation reference data for Turkish children living in The Netherlands. We also compared these references with the reference data of children of Dutch origin and with Turkish reference data collected in Turkey and elsewhere in Europe. Cross-sectional growth and demographic data were collected from 2,904 children of Turkish origin and 14,500 children of Dutch origin living in the Netherlands in the age range 0-20 years. Growth references for length, height, weight for height, body mass index (BMI) and head circumference were constructed with the LMS method. Reference curves for sexual maturation and menarche were estimated by a generalised additive model. Predictive variables for height and BMI were assessed by univariate and multivariate regression analyses. Young Turkish adults were 10 cm shorter than their Dutch contemporaries. Mean height was 174.0 cm for males and 160.7 cm for females. Height differences in comparison with Dutch children started at 3 years. Height SDS was predominantly associated with target height. The height of Turkish children living in the Netherlands was similar to Turkish children in Germany and to children from high socio-economic classes in Istanbul. Compared to Dutch children, maturation stages started 0.5-0.7 years later for both sexes. In girls, median age at menarche was 12.8 years, 5 months earlier than in Dutch girls. BMI of Turkish children was higher than that of Dutch children at all ages. BMI SDS was associated with birth weight and the duration of stay of the mother in the Netherlands. CONCLUSION: Turkish children are considerably shorter and more overweight than Dutch children. Separate growth charts for Turkish children in The Netherlands are useful for growth monitoring.

Adolescent↗

Correlational study of speakers' heights, weights, body surface areas, and speaking fundamental frequencies.

The purpose of this investigation was to determine the relationship among speakers' heights, weights, body surface areas, and speaking fundamental frequencies. The recordings of 30 speakers' readings of a standard prose passage were analyzed by means of the Fundamental Frequency Indicator (FFI) to obtain their speaking fundamental frequency characteristics. The speakers' heights and weights were obtained by means of standard measurement procuedures, and their body surface areas were calculated. Pearson product-moment correlation coefficients, computed separately for men and women, indicated that speakers' heights, weights, and body surface areas were not significantly correlated with their speaking fundamental frequencies; female speakers showed a slight negative correlation while male speakers showed a low, positive trend. Implications of these findings and suggestions for future research are discussed.

Body Height↗

[Nutritional condition of epidermolysis bullosa patients assessed from body height and weight].

Exact body height and weight data of patient with epidermolysis bullosa simplex (EBS) and recessive dystrophic epidermolysis bullosa (RDEB) were collected through a nation-wide epidemiologic investigation concerning epidermolysis bullosa (EB) patients. This data was then compared with the averaged body height and weight of age and sex matched normal controls. The nutritional condition of the EB patients was evaluated statistically. The data showed that height of female EBS patients was less than the controls (p less than 0.01), and furthermore, that height and weight of male and female RDEB patients was also less than the controls (p less than 0.01). These results indicated that EB, especially RDEB patients, were in the poor nutritional condition, and that the adequate nutritional management might significantly influence the prognosis of these patients.

Adolescent↗

Determination of height, weight, body mass index, and body surface area with a single abdominal CT image.

Techniques for estimation of an individual's height, weight, body mass index (BMI), and body surface area (BSA) with a single abdominal computed tomographic (CT) image were developed. Eighty-seven abdominal CT examinations performed in adult humans were analyzed. Anatomic structures were outlined on the CT section that included L1. Multiple linear regression analysis was used to derive sex-specific predictive equations. Correlation for height was good (r > 0.65). Relationship between predicted weight and actual weight was good (r > 0.93). For BMI and BSA, r was greater than 0.893 and greater than 0.895, respectively. In this study, predictive equations for height, weight, BMI, and BSA were generated.

Body Height↗