Key issues in analyzing time trends in biological fertility

Lead Research Organisation: Imperial College London
Department Name: Unlisted


Abstracts are not currently available in GtR for all funded research. This is normally because the abstract was not required at the time of proposal submission, but may be because it included sensitive information such as personal details.


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Joffe M (2005) Studying time to pregnancy by use of a retrospective design. in American journal of epidemiology

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Joffe M (2004) Studying human fertility. in Environmental health perspectives

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Joffe M (2013) Time trends in biological fertility in Western Europe. in American journal of epidemiology

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Joffe M (2009) The role of biological fertility in predicting family size. in Human reproduction (Oxford, England)

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Joffe M (2006) Human fertility decline? in Epidemiology (Cambridge, Mass.)

Title Fertility study database 
Description Database of high-quality European studies on biological fertility 
Type Of Material Database/Collection of Data/Biological Samples 
Provided To Others? No  
Impact Publications that used four or more individual studies, so the analyses were not dominated by the vagaries and random error of particular studies. This helps to prevent publication bias, as well as providing greater statistical power and the ability to examine consistency of findings between different studies. 
Title Statistical methodology for fertility trends 
Description A simulation method for testing for potential bias in trends in assessments of biological fertility. If the potential for bias is found, the method also provides a way of correcting it. 
Type Of Material Data analysis technique 
Year Produced 2009 
Provided To Others? Yes  
Impact Showing that the previously prevalent view, that fertility trends cannot be studied retrospectively, is false.