The relative strength of weight and length at birth in contrast to social factors as determinants of height at 18 years in Brazil

Haëffner, Léris Salete Bonfanti; Barbieri, Marco Antônio; Rona, Roberto J.; Bettiol, Heloísa; Silva, Antônio Augusto Moura da

doi:10.1080/03014460210145847

Cited by 35 publications

(42 citation statements)

References 29 publications

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“…From this viewpoint, the study of the Ribeirão Preto cohort of 1978/ 1979, the oldest one being followed up in Brazil, in its fourth phase provides the opportunity to evaluate different relevant topics of importance within the current public health context. These include an investigation of the prevalence of risk factors for chronic-degenerative diseases among young adults living in a rich city in a developing country, a large urban center whose economy is based on services and commerce and having a high per capita income (8). The results presented here reveal some situations as potential public health problems, such as high prevalences of overweight, obesity, hypertension, metabolic syndrome, and asthma.…”

Section: Discussionmentioning

confidence: 98%

“…Selective attrition was also observed in the third phase of the cohort, the conscripts' study (8). Socioeconomic position seemed to be a main determinant of drop out in a prospective cohort study on risk factors for cardiovascular diseases in Northern Ireland, and drop out may be of concern for researchers when it is selective, because it can threaten the validity of the results (27).…”

Section: Discussionmentioning

confidence: 99%

“…In 1996/97, a third phase involved the study of the living and health conditions of the cohort at 18 years of age, including growth, as a function of the variables studied at birth (8). Since this part of the study was carried out at the time of recruitment for military service, the conclusions were limited to males.…”

Section: Methodsmentioning

confidence: 99%

“…For the location of the participants, the following sources were used in view of the need to search for an updated address: the Hygia system of electronic scheduling of visits for users of the medical services of SUS (Unified Health System) in Ribeirão Preto, lists of users of private health plans, charts of evaluation of schoolchildren of the cohort performed in 1987-89 (7), and charts of evaluation of the military recruits belonging to the original cohort (8).…”

Section: Operational Procedures For Obtaining the Samplementioning

confidence: 99%

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Health in early adulthood: the contribution of the 1978/79 Ribeirão Preto birth cohort

Barbieri

Bettiol

Silva

et al. 2006

Braz J Med Biol Res

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The increase in non-communicable chronic diseases of adults is due to demographic changes and changes in the risk factors related to physical activity, smoking habits and nutrition. We describe the methodology for the evaluation of persons at 23/25 years of age of a cohort of individuals born in Ribeirão Preto in 1978/79. We present their socioeconomic characteristics and the profile of some risk factors for chronic diseases. A total of 2063 participants were evaluated by means of blood collection, standardized questionnaires, anthropometric and blood pressure measurements, and methacholine bronchoprovocation tests. The sexes were compared by the chi-square test, with α = 0.05. Obesity was similar among men and women (12.8 and 11.1%); overweight was almost double in men (30.3 vs 17.7%). Weight deficit was higher among women than among men (8.6 and 2.6%). Women were more sedentary and consumed less alcohol and tobacco. Dietary fat consumption was similar between sexes, with 63% consuming large amounts (30 to 39.9 g/day). Metabolic syndrome was twice more frequent among men than women (10.7 vs 4.8%), hypertension was six times more frequent (40.9 vs 6.4%); altered triglyceride (16.1 vs 9.8%) and LDL proportions (5.4 vs 2.7%) were also higher in men, while women had a higher percentage of low HDL (44.7 vs 39.5%). Asthma and bronchial hyper-responsiveness were 1.7 and 1.5 times more frequent, respectively, among women. The high prevalence of some risk factors for chronic diseases among young adults supports the need for investments in their prevention.

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Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Operational Procedures For Obtaining the Samplementioning

confidence: 99%

See 2 more Smart Citations

Health in early adulthood: the contribution of the 1978/79 Ribeirão Preto birth cohort

Barbieri

Bettiol

Silva

et al. 2006

Braz J Med Biol Res

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“…A sample of 1512 boys was obtained, corresponding to 43.1% of the total. As military enlistment at 18 years of age is compulsory in Brazil and military sources report that about 70% of the eligible population for enlistment effectively report to the draft board, a study was conducted in 1996 and 1997 involving only males belonging to the initial cohort at the time of military service (20). A sample of 2048 individuals (61% of the total after the exclusion of 142 known deaths in the first IUGR, overweight in childhood and adult body mass index www.bjournal.com.br year of life) was interviewed at the time of military service.…”

Section: Methodsmentioning

confidence: 99%

Do intrauterine growth restriction and overweight at primary school age increase the risk of elevated body mass index in young adults?

Bettiol

Filho

Haëffner

et al. 2007

Braz J Med Biol Res

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Obesity is one of the rising public health problems characterized as a risk factor for many chronic diseases in adulthood. Early life events such as intrauterine growth restriction, as well as life style, are associated with an increased prevalence of this disease. The present study was performed to determine if intrauterine growth restriction interacts with overweight at primary school age to affect body mass index (BMI) in young adults. From June 1, 1978 to May 31, 1979, 6827 singleton liveborns from Ribeirão Preto, São Paulo State, Brazil, corresponding to 98% of all births at the 8 maternity hospitals, were examined and their mothers were interviewed. Samples from the initial cohort were examined again at primary school age (8 to 11 years of age) and at the time of military service (18 years of age). There were 519 male individuals with complete measurements taken in the three surveys. Intrauterine growth-restricted individuals had a BMI 0.68 kg/ m 2 lower than that of individuals who were not restricted (95%CI = -1.34 to -0.03) and overweight at primary school age showed a positive and strong effect on BMI at 18 years of age (coefficient 5.03, 95%CI = 4.27 to 5.79). However, the increase in BMI was much higher -6.90 kg/m 2 -when the conscript had been born with intrauterine growth restriction and presented overweight at primary school age (95%CI = 4.55 to 9.26). These findings indicate that the effect of intrauterine growth restriction on BMI at 18 years of age is modified by later weight gain during school age.

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Size at birth and growth trajectories to young adulthood

Adair

2007

American J Hum Biol

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Few studies in developing countries follow growth trajectories from birth to adulthood. Such studies are important because size at birth and postnatal growth affect risk of chronic disease in adulthood. This study examines the inter-relationships of maternal factors during pregnancy, infant birth weight and length, early postnatal growth, and young adult height, weight, BMI, and skinfold thicknesses, with particular attention to patterns of growth associated with increased chronic disease risk. Women were recruited in pregnancy, and offspring were followed from birth to age 21 in the community-based Cebu (Philippines) Longitudinal Health and Nutrition Survey. Birth weight and length are independently, positively associated with height, BMI and sum of skinfolds in young adult males and females, and inversely associated with the subscapular to triceps ratio in males only. The effects of size at birth on adult size were modified by birth order, and remained significant after adjusting for maternal nutritional status, socioeconomic status at birth and throughout the growth period, and maturation. Early postnatal growth was strongly influenced by BMI at birth, with rapid early infant weight gain associated with thinness. The growth pattern of the at-risk group most often associated with increased risk of chronic disease (small at birth, relatively heavy as an adult), was characterized by more rapid growth in the first 4 postnatal months. The high level of inter-relatedness of maternal nutrition in pregnancy, prenatal growth, and postnatal growth emphasizes the need to consider the full growth trajectory in studies of developmental origins of adult disease.

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The relative strength of weight and length at birth in contrast to social factors as determinants of height at 18 years in Brazil

Abstract: This study has demonstrated the lasting and greater effect of length and weight at birth on height in comparison to social factors, but social factors are still meaningful in their effects on height. Birth length has a marginal greater effect on final height than birth weight.

Cited by 35 publications

References 29 publications

Health in early adulthood: the contribution of the 1978/79 Ribeirão Preto birth cohort

Health in early adulthood: the contribution of the 1978/79 Ribeirão Preto birth cohort

Do intrauterine growth restriction and overweight at primary school age increase the risk of elevated body mass index in young adults?

Size at birth and growth trajectories to young adulthood

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