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Physical Activity and Mortality in Type 2 Diabetes
Physical Activity and Mortality in Individuals With Type 2 Diabetes: Cross-country Comparison in UK Biobank and China Kadoorie Biobank
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Descrição detalhada
AIM To determine dose-response patterns between leisure-time physical activity and all-cause mortality in individuals with type 2 diabetes in the United Kingdom and China. A secondary aim is to study the association between domain-specific physical activity and all-cause mortality and fatal and non-fatal CVD.
Study design and setting The study is a nested cohort study based on the UK Biobank and China Kadoorie Biobank population-based prospective cohort studies. Both cohorts are designed to study the interrelations between environment, lifestyle, and genes, with the aims of improving the prevention, diagnosis, and treatment of chronic diseases. UK Biobank recruited a total of 502,682 participants (approximately 5.5% of 9.2 million invited) aged 37 to 82 years via 22 assessment centers across England, Wales, and Scotland between 2006 and 2010. At the assessment centers participants completed a touch-screen questionnaire, an interview with a nurse, and a wide variety of physical measurements and biological sampling. A subsample has attended a repeat assessment of all data collected at the baseline examination. Data has been linked with several electronic registries for ongoing follow-up on health status. Ethical approval to establish the UK Biobank cohort was obtained by the North-West Research Ethics Committee and participants gave written informed consent before data collection. China Kadoorie Biobank recruited 515,420 participants aged 30 to 79 years between 2004 and 2008 from 10 regions of mainland China. At the assessment centers participants completed an interviewer-administered questionnaire, physical measurements and provided blood spot tests and non-fasting blood samples. Data has been linked with several electronic registries for ongoing follow-up on health status. China Kadoorie Biobank was approved by the Ethics Committees at Oxford University, the China National Center for Disease Control and from institutional research boards at the local Centers for Disease Control in the 10 included regions.
Study population The Investigators identified individuals with prevalent type 2 diabetes in the UK Biobank from the baseline assessment (2006-2010) and the 1st repeat assessment (2012-2013), and in China Kadoorie Biobank from the baseline assessment (2004-2008).
UK Biobank: Prevalent type 2 diabetes is determined by the algorithm by Eastwood (PMID: 27631769) or from measured Hba1c ≥48 mmol/mol. The algorithm is based on combining information on self-reported diabetes, insulin use, age of diabetes onset, and ethnicity obtained from a questionnaire in addition to self-reported diabetes, self-reported use of medications (see SAP), and age at diabetes diagnosis obtained from an interview with a trained nurse. Both 'probable' and 'possible' type 2 diabetes from the algorithm are included as type 2 diabetes cases. Type I diabetes is removed from the sample by combining information on insulin use, time from diagnosis to initiation of insulin use, and age of diagnosis. These criteria identify 29,236 individuals with type 2 diabetes.
China Kadoorie Biobank: prevalent type 2 diabetes is based on self-reported current diabetes with a diagnosis age above 30 years, a random plasma blood glucose ≥11.1 mmol/L, or fasting plasma blood glucose ≥7.0 mmol/L. These criteria identify 30,300 individuals with type 2 diabetes.
For further detail, please see attached predefined statistical analysis plan (SAP).
Tipo de estudo
Inscrição (Real)
Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Método de amostragem
População do estudo
Descrição
Inclusion Criteria:
- UK Biobank: Prevalent type 2 diabetes is determined by the algorithm by Eastwood (PMID: 27631769) or from measured Hba1c ≥48 mmol/mol.
- China Kadoorie Biobank: Self-reported current diabetes with a diagnosis age above 30 years, a random plasma blood glucose ≥11.1 mmol/L, or fasting plasma blood glucose ≥7.0 mmol/L
Exclusion Criteria:
- None
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
Coortes e Intervenções
Grupo / Coorte |
Intervenção / Tratamento |
---|---|
Individuals with type 2 diabetes at the baseline examination
UK Biobank: Prevalent type 2 diabetes is determined by the algorithm of Eastwood et al. (6) or from measured Hba1c ≥48 mmol/mol. China Kadoorie Biobank: prevalent type 2 diabetes is based on self-reported current diabetes with a diagnosis age above 30 years, a random plasma blood glucose ≥11.1 mmol/L, or fasting plasma blood glucose ≥7.0 mmol/L. |
Self-reported leisure-time physical activity, categorized as; zero (reference), >0-7.49
MET-hrs/week, 7.5-14.9
MET-hrs/week, or ≥15 MET-hrs/week.
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
All-cause mortality
Prazo: Through longest available follow-up, up to 14.5 years (UK Biobank)
|
Mortality status optained from registries.
The longest available follow-up from baseline examination will be used.
Deaths during the first 3 years will be left-censored.
|
Through longest available follow-up, up to 14.5 years (UK Biobank)
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All-cause mortality
Prazo: Through longest available follow-up, up to 12.4 years (China Kadoorie Biobank)
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Mortality status optained from registries.
The longest available follow-up from baseline examination will be used.
Deaths during the first 3 years will be left-censored.
|
Through longest available follow-up, up to 12.4 years (China Kadoorie Biobank)
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Cardiovascular mortality
Prazo: Through longest available follow-up, up to 14.5 (UK Biobank) and 0.4 (China Kadoorie Biobank) years
|
Cardiovascular mortality status optained from registries (I00 to I-99).
The longest available follow-up from baseline examination will be used.
Deaths during the first 3 years will be left-censored.
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Through longest available follow-up, up to 14.5 (UK Biobank) and 0.4 (China Kadoorie Biobank) years
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Major adverse cardiovascular events (MACE)
Prazo: Through longest available follow-up, up to 14.5 (UK Biobank only)
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MACE status optained from registries (I20-I25, I60, I61, I63, or I64 in addition to cardiovascular mortality).
The longest available follow-up from baseline examination will be used.
Participants with events during the first 3 years will be left-censored.
|
Through longest available follow-up, up to 14.5 (UK Biobank only)
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Colaboradores e Investigadores
Patrocinador
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Conclusão Primária (Real)
Conclusão do estudo (Real)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- 29717
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