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Revista de Saúde Pública

versión impresa ISSN 0034-8910versión On-line ISSN 1518-8787

Resumen

FRANCA JUNIOR, Ivan; SILVA, Guilherme Rodrigues da  y  MONTEIRO, Carlos Augusto. Secular trends in the adult height of children born in S. Paulo city, Brazil, from 1950 to 1976. Rev. Saúde Pública [online]. 2000, vol.34, n.6, suppl., pp.102-107. ISSN 1518-8787.  https://doi.org/10.1590/S0034-89102000000700013.

OBJECTIVE: The purpose of this study was to estimate the secular trend/change in the height of young males born in the city of S. Paulo between 1950 and 1976 and measured in the year they turn 18 years. METHODS: A random and representative sample (6,942 individuals) was evaluated in military draft. Statistical analyses included Shapiro-Wilk test for normality of height distribution in each birth cohort, and linear regression analysis for trend on heights. RESULTS/CONCLUSIONS: Stature has increased 3.42 centimeters during the 27 years covered by the study (1.26 cm/decade). The trend was not linear: in the 50s, there was a statistically significant increase (0.84 cm/decade); in the 60s, a smaller but non-significant increase (0,5 cm/decade) was seen; in the period of 1970-76, a greater increase in heights (2,9 cm/decade) was observed. The secular change rate observed was comparable to the rate seen in other countries. The most recent birth cohorts (1975 and 1976) achieved the higher statures in the study (~175 cm). Despite these height increments, deficits of 1.8 e 6.2 cm were seen when the taller cohorts of the study were compared to American young males born in 1961 (NCHS) and Dutch men born in 1972. If there won't be any changes in the accelerated rates of the 70s, young people of São Paulo may overcome these deficits in about one or three decades.

Palabras clave : Body height; Military personnel; Adolescence; Anthropometry; Time series.

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