Cohort Profile: The Aberdeen Children of the 1950s Study
نویسندگان
چکیده
منابع مشابه
Season of birth and childhood intelligence: findings from the Aberdeen Children of the 1950s cohort study.
BACKGROUND In this study, 2 main hypotheses have been put forward to explain the variation in childhood intelligence or school performance by season of birth. In the first hypothesis, it is suggested that it is due to school policy concerning school entry, whereas the second suggests that a seasonally patterned exposure such as temperature, maternal nutrition, or infection during critical perio...
متن کاملIntrauterine growth and intelligence within sibling pairs: findings from the Aberdeen children of the 1950s cohort.
OBJECTIVE The objective of this study was to examine whether the established positive association between birth weight and childhood psychometric intelligence is seen within singleton sibling pairs from the same family as well as between nonsiblings. METHODS We examined the association of intrauterine growth (measured as birth weight standardized for gender and gestational age) with psychomet...
متن کاملBirth weight and psychological distress at age 45-51 years: results from the Aberdeen Children of the 1950s cohort study.
BACKGROUND It is unclear whether the effect of low birth weight on common affective disorders in later life is direct or mediated through childhood factors. AIMS To determine whether birth weight has a direct effect on psychological distress in adulthood not mediated by childhood IQ or behavioural problems. METHOD Participants (n=5572) of the Aberdeen Children of the 1950s study had data on...
متن کاملEarly life predictors of childhood intelligence: evidence from the Aberdeen children of the 1950s study.
OBJECTIVE To identify the early life predictors of childhood intelligence. DESIGN Cohort study of 10 424 children who were born in Aberdeen (Scotland) between 1950 and 1956. RESULTS Social class of father around the time of birth, gravidity, maternal age, maternal physical condition, whether the child was born outside of marriage, prematurity, intrauterine growth, and childhood height were ...
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در این پژوهش به بررسی اثر افزایش ترافیک بر روی تعداد تصادفات پرداخته شده است. به این منظور 30 تقاطع در شهر تهران بطور تصادفی انتخاب گردید و تعداد تصادفات ماهیانه در این تقاطعات در طول سالهای 89-90 از سازمان کنترل ترافیک شهر تهران استخراج گردید و با استفاده از مدل داده های تابلویی و نرم افزار eviews مدل خطی و درجه دوم تخمین زده شد و در نهایت این نتیجه حاصل شد که تقاطعات پر ترافیک تر تعداد تصادفا...
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ژورنال
عنوان ژورنال: International Journal of Epidemiology
سال: 2006
ISSN: 1464-3685,0300-5771
DOI: 10.1093/ije/dyi319