Birth order as a quantitative expression of date of birth.
نویسندگان
چکیده
منابع مشابه
Birth order as a quantitative expression of date of birth.
Publications on birth order mostly differ in their findings. In 1874 Galton1 stated that firstborn dominated among eminent men. Thirty years later, Pearson2 claimed that society was corrupted through the defects of firstborn. Surveys3-covering hundreds of books and articles give a remarkably inconsistent picture of the influence of sibling position on physical and psychological development. In ...
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A case control study of "small for date" and premature infants was conducted at 17 hospitals in Tehran between December 1989 and June 1990. The study population consisted of mothers of 347 small for date, 261 premature and 1164 normal infants. Mothers who were less than 18 years old and their height less than 155 cm had a statistically significant RRF. (2.18) for the birth of small for dat...
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BACKGROUND The space and time distribution of risk factors for allergic diseases may provide insights into disease mechanisms. Allergy is believed to vary by month of birth, but multinational studies taking into account latitude have not been conducted. METHODS AND FINDINGS A questionnaire was distributed in 54 centres to a representative sample of 20- to 44-y-old men and women mainly in Euro...
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Motor skills are always considered as one of the effective factors on human activities. The purpose of this research is to study the role of birth order and birth weight in the static and dynamic balance of boys aged 9-11 years old. 94 male students have been evaluated in this research. The personal information questionnaire and medical records were used to acquire data pertaining to birth or...
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Background and Aim: Periodontal disease may cause adverse pregnancy outcomes such as low birth weight (LBW) or preterm birth (PTB). In the present study, mothers with one of these two delivery complications were analyzed regarding presence/absence of periodontal disease as a possible risk factor in comparison with related medical risk factors. Materials and Methods: In this cross-sectiona...
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ژورنال
عنوان ژورنال: Journal of Epidemiology & Community Health
سال: 1982
ISSN: 0143-005X
DOI: 10.1136/jech.36.4.298