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Titolo:
SEX-DIFFERENCES IN THE PREVALENCE OF OBESITY IN RURAL AFRICAN ADOLESCENTS
Autore:
CAMERON N; GETZ B;
Indirizzi:
UNIV WITWATERSRAND,SCH MED,DEPT ANAT SCI,HUMAN GROWTH RES PROGRAMME,7YORK RD ZA-2193 PARKTOWN JOHANNESBURG SOUTH AFRICA
Titolo Testata:
International journal of obesity
fascicolo: 9, volume: 21, anno: 1997,
pagine: 775 - 782
SICI:
0307-0565(1997)21:9<775:SITPOO>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
BLACK-CHILDREN; SOUTH-AFRICA; GROWTH; WOMEN; OVERWEIGHT; HEIGHT; URBAN;
Keywords:
ADOLESCENT OBESITY; OVERFAT; OVERWEIGHT; SEX DIFFERENCE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
N. Cameron e B. Getz, "SEX-DIFFERENCES IN THE PREVALENCE OF OBESITY IN RURAL AFRICAN ADOLESCENTS", International journal of obesity, 21(9), 1997, pp. 775-782

Abstract

OBJECTIVE: To investigate the prevalence and gender differences in obesity in rural African adolescents. DESIGN: Cross-sectional analysis of a mixed-longitudinal study. SUBJECTS: Four hundred and forty-seven rural African adolescents (190 females; 257 males) aged 7.0-18.9y. MEASUREMENTS: Anthropometric measurements of height, weight, and skinfoldsat the bicep (BCP), tricep (TRCP), subscapular (SSCP) and suprailiac (SPIL) sites and derived ratios of fat distribution including trunk:limb ratios (SSTB = (SSCP + SPIL)/(TRCP + BCP) and ST = SSCP/TRCP), and the upper:lower truncal ratio (TRUNK = SSCP/SPIL). Obesity was definedas (1) a BMI greater than the NHANES III 85% centile or (2) the sum of TRCP and SSCP skinfolds greater than the NHANES III 85% centile. RESULTS: Skinfold measures were significantly greater in females throughout the age range but remarkably greater divergence was apparent after mean menarcheal age of 14.03y (s.d.=1.25). Centralization of body fat was consistently greater in males but only significantly so after 14y of age for the ST ratio. Obesity, defined by BMI or sum of skinfolds, was greatest in females following menarche reaching a maximum of 16.7%by BMI and 11.1% by sum of skinfolds, and almost non-existent in males. CONCLUSIONS: Increased prevalence of obesity in African females didnot occur throughout adolescence but was linked to the timing of menarche. Increased fatness and obesity appears to be a post-menarcheal phenomenon probably caused by the hormonal changes leading to and following first menstruation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/07/20 alle ore 00:30:37