J
John Macleod
Researcher at University of Bristol
Publications - 294
Citations - 15742
John Macleod is an academic researcher from University of Bristol. The author has contributed to research in topics: Population & Longitudinal study. The author has an hindex of 54, co-authored 268 publications receiving 13145 citations. Previous affiliations of John Macleod include Health Science University & University of Birmingham.
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Journal ArticleDOI
Cohort Profile: The ‘Children of the 90s’—the index offspring of the Avon Longitudinal Study of Parents and Children
Andy Boyd,Jean Golding,John Macleod,Debbie A Lawlor,Abigail Fraser,John Henderson,Lynn Molloy,Andy R Ness,Susan M. Ring,George Davey Smith +9 more
TL;DR: The Avon Longitudinal Study of Parents and Children (ALSPAC) is a transgenerational prospective observational study investigating influences on health and development across the life course and is currently set up as a supported access resource.
Journal ArticleDOI
Cohort Profile: The Avon Longitudinal Study of Parents and Children: ALSPAC mothers cohort
Abigail Fraser,Corrie Macdonald-Wallis,Kate Tilling,Andy Boyd,Jean Golding,George Davey Smith,John Henderson,John Macleod,Lynn Molloy,Andy R Ness,S M Ring,Scott M. Nelson,Debbie A Lawlor +12 more
TL;DR: The Avon Longitudinal Study of Children and Parents (ALSPAC) was established to understand how genetic and environmental characteristics influence health and development in parents and children.
Journal ArticleDOI
Psychological and social sequelae of cannabis and other illicit drug use by young people: a systematic review of longitudinal, general population studies
John Macleod,R Oakes,Alex Copello,Ilana Crome,Matthias Egger,Matthias Egger,Mathew Hickman,Thomas Oppenkowski,Helen Stokes-Lampard,George Davey Smith +9 more
TL;DR: Available evidence does not strongly support an important causal relation between cannabis use by young people and psychosocial harm, but cannot exclude the possibility that such a relation exists, and the lack of evidence of robust causal relations prevents the attribution of public health detriments to illicit drug use.
Journal ArticleDOI
The Avon Longitudinal Study of Parents and Children (ALSPAC): an update on the enrolled sample of index children in 2019.
Kate Northstone,Melanie Lewcock,Alix Groom,Andy Boyd,John Macleod,Nicholas J. Timpson,Nicholas Wells +6 more
TL;DR: A total of 913 additional G1 (the cohort of index children) participants have been enrolled in the study since the age of 7 years with 195 of these joining since the Age of 18, which provides a baseline sample of 14,901 participants who were alive at 1 year of age.
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The natural history of Chlamydia trachomatis infection in women: a multi-parameter evidence synthesis
Malcolm J Price,A E Ades,Kate Soldan,Nicky J Welton,John Macleod,Ian Simms,Daniela DeAngelis,Daniela DeAngelis,Katherine Mary Elizabeth Turner,Patrick J Horner +9 more
TL;DR: The study provides new insights into the reproductive risks of PID and the role of CT, and establishes a set of interpretations of the major studies and study designs, under which a coherent set of estimates can be generated.