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Wang, G. et al. Weight Gain in Infancy and Overweight or Obesity in Childhood across the Gestational Spectrum: a Prospective Birth Cohort Study. Sci. Rep. 6, 29867; doi: 10.1038/srep29867 (2016). Rowe M, Zuckerman B. Word Gap Redux: Developmental Sequence and Quality. JAMA Pediatr. 2016;170(9):827-828.
The study is a birth cohort study, and in 1990 began to track the development of 3,273 newborn infants. According to supporter, University of Witwatersrand, Johannesburg, BT20 is colloquially nicknamed "Mandela's Children" as the program began following Nelson Mandela's release from prison. [1] As the name suggests, the study plans will ...
The Dunedin Multidisciplinary Health and Development Study (also known as the Dunedin Study) is a detailed study of human health, development and behaviour.Based at the University of Otago in New Zealand, the Dunedin Study has followed the lives of 1037 babies born between 1 April 1972 and 31 March 1973 at Dunedin's former Queen Mary Maternity Centre since their birth.
The Growing Up Today Study (GUTS) is an ongoing collaborative research project between researchers at the Harvard T.H. Chan School of Public Health and Brigham and Women's Hospital in Boston, Massachusetts. Established in 1996 in the United States, the study collects data annually from over 26,000 participants in order to evaluate the factors ...
The Avon Longitudinal Study of Parents and Children (ALSPAC), also known as Children of the 90s and formerly the Avon Longitudinal Study of Pregnancy and Childhood, is a cohort study of children born in the former county of Avon, England during 1991 and 1992. [1] It is used by researchers in health, education and other social science disciplines.
Examples of a retrospective cohort are Long-Term Mortality after Gastric Bypass Surgery [13] and The Lothian Birth Cohort Studies. [14] Although historical studies are sometimes referred to as retrospective study, it a misnomer as the methodological principles of historical cohort studies and prospective studies are the same. [11]
A prospective cohort study is a longitudinal cohort study that follows over time a group of similar individuals who differ with respect to certain factors under study to determine how these factors affect rates of a certain outcome. [1]
Studies in 2008 and 2013 indicated that Asians (23 per 1,000) and whites (43 per 1,000) have lower rates of pregnancy before the age of 20. [15] [18] Teen birth rates decline by racial groups [8] Teen birth rates declined from 2018 to 2019 for several racial groups and for Hispanics.Among 15- to 19-year-olds, teen birth rates decreased: