Height depends on month of birth

Weber, Gerhard; Prossinger, Hermann; Seidler, Horst

doi:10.1038/35781

Cited by 122 publications

(100 citation statements)

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“…However, birth season may exert a long-term effect on postnatal human growth. Weber and colleagues reported that stature at age 18 y in Austrian men varied up to 6 mm, according to month of birth (Weber et al, 1998). Our results showed that during the ®rst 2 y of life, infants born in the summer attained higher body length than those born in other seasons.…”

Section: Seasonality Of Growth Velocity At Various Age Intervalssupporting

confidence: 44%

Seasonality of growth in Shanghai infants (n=4128) born in 11 consecutive years

Wang

Guo

et al. 2001

Eur J Clin Nutr

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Objective: To describe the seasonal growth patterns in Shanghai infants, to explore seasonal time lag between weight gain and length gain, and to investigate the long-term effect of birth season on early postnatal growth. Design: Community-based longitudinal study. Setting: Shanghai, People's Republic of China. Method: Children were followed up monthly from 1 to 6 months, 3 monthly from 6 to 12 months, and 6 monthly from 12 to 24 months. Subjects: A total of 6018 children born between 1 January 1980 and 31 December 1990. Main outcome measures: Weight gain, length gain and change in body mass index (BMI) over the seasons of the year. Results: The infants tended to grow faster in height in spring and summer, and faster in weight and BMI in autumn and winter. The seasonal effect on weight gain and length gain is largely independent. The mean length value at 1 month of age was about 2.0 cm higher in infants born in May to July than in those born in November to February. At 24 months of age this difference was reduced to about 0.7 cm. Conclusions: There is a clear and consistent seasonality in growth in Shanghai infants. The seasonality seems to act independently on weight and length. Birth month has some association with attained size, but this is reduced during the ®rst 2 y of life. Sponsorship: Children's Hospital

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Section: Seasonality Of Growth Velocity At Various Age Intervalssupporting

confidence: 44%

Seasonality of growth in Shanghai infants (n=4128) born in 11 consecutive years

Wang

Guo

et al. 2001

Eur J Clin Nutr

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“…These small anthropometric differences persist into adulthood: at age 18 winter/spring born individuals are taller compared to summer/autumn born individuals (Weber et al, 1998;Waldie et al, 2000). The research that has examined season of birth and later cognitive development have produced mixed results (Gordon and Novak, 1950;Berglund, 1967;Farley, 1968;Williams et al, 1970;Kanekar and Mukerjee, 1972;Mascie-Taylor, 1980).…”

Section: Introductionmentioning

confidence: 99%

Season of birth is associated with anthropometric and neurocognitive outcomes during infancy and childhood in a general population birth cohort

McGrath

Saha

Lieberman

et al. 2006

Schizophrenia Research

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The dseason of birthT effect is one of the most consistently replicated associations in schizophrenia epidemiology. In contrast, the association between season of birth and development in the general population is relatively poorly understood. The aim of this study was to explore the impact of season of birth on various anthropometric and neurocognitive variables from birth to age seven in a large, community-based birth cohort. A sample of white singleton infants born after 37 weeks gestation (n = 22,123) was drawn from the US Collaborative Perinatal Project. Anthropometric variables (weight, head circumference, length/height) and various measures of neurocognitive development, were assessed at birth, 8 months, 4 and 7 years of age. Compared to summer/autumn born infants, winter/spring born infants were significantly longer at birth, and at age seven were significantly heavier, taller and had larger head circumference. Winter/spring born infants were achieving significantly higher scores on the Bayley Motor Score at 8 months, the Graham-Ernhart Block Test at age 4, the Wechsler Intelligence Performance and Full Scale scores at age 7, but had significantly lower scores on the Bender-Gestalt Test at age 7 years. Winter/spring birth, while associated with an increased risk of schizophrenia, is generally associated with superior outcomes with respect to physical and cognitive development. D

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“…The original report was in Nature (Weber, Prossinger, and Seidler 1998), and a Reuters article on the Yahoo Health News Web site ran a headline "Spring Birthday Confers Height Advantage" (Feb. 18, 1998). The article described an Austrian study of the heights of 507,125 military recruits, in which a highly signi cant difference was found between recruits born in the spring and the fall.…”

Section: Statistical Significance and Practical Importancementioning

confidence: 99%

What Educated Citizens Should Know About Statistics and Probability

Utts¹

2003

The American Statistician

106

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Much has changed since the widespread introductionof statistics courses into the university curriculum, but the way introductory statistics courses are taught has not kept up with these changes. This article discusses the changes, and the way the introductory syllabus should change to re ect them. In particular, seven ideas are discussed that every student who takes elementary statistics should learn and understand in order to be an educated citizen. Misunderstanding these topics leads to cynicism among the public at best, and misuse of study results by policy-makers, physicians, and others at worst.

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Height depends on month of birth

Cited by 122 publications

References 0 publications

Seasonality of growth in Shanghai infants (n=4128) born in 11 consecutive years

Seasonality of growth in Shanghai infants (n=4128) born in 11 consecutive years

Season of birth is associated with anthropometric and neurocognitive outcomes during infancy and childhood in a general population birth cohort

What Educated Citizens Should Know About Statistics and Probability

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