scholarly journals A Longitudinal Study of the Growth and Development of Prematurely and Maturely Born Children: Part VI: Physical Development in Age Period 2 to 4 Years

1961 ◽  
Vol 36 (185) ◽  
pp. 1-10 ◽  
Author(s):  
C. M. Drillien
Keyword(s):  
Longitudinal Study ◽  
Growth And Development ◽  
Physical Development ◽  
Period 2

Factors affecting thyroid volume in adolescent students attending a rural middle school in East Hangzhou, China

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Qiaoyong Liu ◽  
Yiqian Jiang ◽  
Lijun Shen ◽  
Jiming Zhu
Keyword(s):  
Middle School ◽  
Middle School Students ◽  
Growth And Development ◽  
Univariate Analysis ◽  
Thyroid Volume ◽  
Physical Development ◽  
School Students ◽  
Spearman's Rho ◽  
Spearman’S Rho ◽  
Rural Middle School

AbstractObjectiveTo investigate the thyroid volume (Tvol) and to explore factors that affects it among 12 to 15-year-olds attending a rural middle school in east Hangzhou, China.MethodsA cross-sectional survey of middle school students attending a rural middle school in east Hangzhou, China was conducted. Height, weight and other physical development related indicators in middle school students were measured. The thyroid size was measured using ultrasound, and the thyroid volume calculated.ResultsThe median (P25, P75) of the thyroid volume in 596 middle school students from a rural middle school in east Hangzhou, China was 6.69 (5.66, 7.98) mL. Our study enrolled 305 male students (51.2%) and 291 female students (48.8%). The height, weight and thyroid volume of middle school students increased with age. Univariate analysis revealed that height, weight, body mass index (BMI) and body surface area (BSA) were positive correlated with thyroid volume (p<0.01).The correlation between BSA and thyroid volume was significant (Spearman’s rho=0.473, p<0.01). Multiple linear regression analysis revealed that BSA was positive and significantly correlated with the thyroid volume (p<0.05). Regression equation was Y=−2.532 + 6.186×BSA.ConclusionThe thyroid volume is not only affected by age, but it is also affected by growth and development. Goiter cannot only be assessed based on age, gender and thyroid volume. However, this study established that BSA not only presented the strongest correlation with thyroid volume (Spearman’s rho=0.473), but also had a strong correlation with physical development, taking into account the growth and development of middle school students, and showed greater stability. Therefore, we recommend inclusion of BSA as a reference standard in the measurement of the thyroid volume.

A Longitudinal Study of Metropolitan Density Patterns in a Developing Country: Puerto Rico, 1899–1970

1979 ◽  
Vol 11 (4) ◽  
pp. 423-433
Author(s):  
Suzanne Vaughan ◽  
K P Schwirian
Keyword(s):  
Economic Development ◽  
Puerto Rico ◽  
Longitudinal Study ◽  
Developing Country ◽  
Growth And Development ◽  
Metropolitan Areas ◽  
Human Settlements ◽  
Residential Patterns ◽  
Long Run ◽  
Developing Societies

One approach to the study of the growth and development of human settlements is through the analysis of changing residential patterns. The focus of this paper is upon the changing density patterns for Puerto Rico's three principal metropolitan areas from 1899–1970. The data show that San Juan's long-run residential deconcentration is consistent with the pattern usually displayed by cities in developed societies. The increasing congestion and stable concentration of Ponce and Mayaguez are consistent with the pattern found in cities in developing societies. Differences among the metropolitan areas are discussed in terms of the trajectory of Puerto Rico's economic development.

SOMATOTYPOLOGICAL CHARACTERISTICS OF CHILDREN AND ADOLESCENTS

2021 ◽  
pp. 21-28
Author(s):  
E. Krukovich ◽  
N. Tumanova ◽  
G. Bondar
Keyword(s):  
Health Status ◽  
Environmental Factors ◽  
Children And Adolescents ◽  
Growth And Development ◽  
Scientific Research ◽  
Physical Development ◽  
Living Conditions ◽  
Present Stage ◽  
Hereditary Factors

Physical development (RF) is one of the main indicators of health status, largely due to hereditary factors, depends on the living conditions and upbringing, social and environmental factors [1,2,3,4]. This is especially important for children and adolescents in the process of growth and development. At the present stage of scientific research of RF in pediatrics, there is a transition from the analysis of average RF indicators to a personalized assessment [5,6].

scholarly journals Demographic and Socio-Economic Changes in Families in Four Guatemalan Villages, 1967–1987

1992 ◽  
Vol 14 (3) ◽  
pp. 1-8 ◽  
Author(s):  
Patrice L. Engle ◽  
Suzan L. Carmichael ◽  
Kathleen Gorman ◽  
Ernesto Pollitt
Keyword(s):  
Longitudinal Study ◽  
Central America ◽  
Growth And Development ◽  
High Energy ◽  
Gradual Improvement ◽  
Economic Changes ◽  
Demographic Profiles ◽  
Follow Up Study

The Institute of Nutrition of Central America and Panama (INCAP) carried out a longitudinal study of the effects of nutritional improvements on growth and development in early childhood in four villages in eastern Guatemala, 1969–1977, with a preparatory survey in 1967 and a follow-up study of the participants in 19881989. This paper examines differences among the four villages in education, occupation, quality of housing, and demographic profiles over a 20-year period, focusing on comparisons between the two villages that received a high-energy, high-protein supplement and the two that received a low-energy supplement at two different times: before the initial longitudinal study and before the follow-up study. The results suggest gradual improvement in all the villages on a number of indicators. However, the two pairs of village were not comparable on all measures; of particular concern for the interpretation of effects on cognitive development are differences in education.

The Growth and Development of the Prematurely Born Infant

PEDIATRICS ◽  
1964 ◽  
Vol 33 (5) ◽  
pp. 805-805
Author(s):  
MARGARET DANN
Keyword(s):  
Longitudinal Study ◽  
Birth Weight ◽  
Low Birth Weight ◽  
Growth And Development ◽  
Very Low Birth Weight ◽  
Full Term ◽  
School Age ◽  
Weight Group ◽  
Birth Weight Group ◽  
Born Infant

This is a clear, well-organized account of a longitudinal study of several hundred prematurely born and full-term children, born in Edinburgh in 1952 and 1953. Starting with 595 children, 251 singletons weighing 5 lb 8 oz or less at birth, 119 full-term singletons as controls and 225 twins of all birth weights, Dr. Drillien was able to follow nearly 90 percent to school age. Besides the main survey group, she added a supplementary group of children of very low birth weight (3 lb or less) born between 1948 and 1960; in all, 110 children in this birth weight group were traced, and 72 followed to school age.

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