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- David A. Podsiadlo, S. Richardson
- Journal of the American Geriatrics Society
- 1991
This study evaluated a modified, timed version of the "Get-Up and Go" Test (Mathias et al, 1986) in 60 patients referred to a Geriatric Day Hospital (mean age 79.5 years). The patient is observed and… (More)
- Patricia A Clifford, S. Richardson, Denis Hémon
- Biometrics
- 1989
Modified tests of association based on the correlation coefficient or the covariance between two spatially autocorrelated processes are presented. These tests can be used both for lattice and… (More)
- S. M. Gold, Isabel Dziobek, +7 authors Antonio Convit
- Diabetologia
- 2007
There is evidence that type 2 diabetes mellitus is associated with cognitive impairment. Most studies investigating this association have evaluated elderly individuals, after many years of diabetes,… (More)
- V Viallefont, Adrian E. Raftery, S. Richardson
- Statistics in medicine
- 2001
Covariate and confounder selection in case-control studies is often carried out using a statistical variable selection method, such as a two-step method or a stepwise method in logistic regression.… (More)
- Paul Ronald Elliott, D. Briggs, +7 authors Lars Jarup
- BMJ
- 2001
OBJECTIVE
To investigate the risk of adverse birth outcomes associated with residence near landfill sites in Great Britain.
DESIGN
Geographical study of risks of adverse birth outcomes in… (More)
- Sandra E. Black, Rachelle Doody, +6 authors S. Richardson
- Neurology
- 2007
OBJECTIVE
To evaluate the efficacy and safety of donepezil for severe Alzheimer disease (AD).
METHODS
Patients with severe AD (Mini-Mental State Examination [MMSE] scores 1 to 12 and Functional… (More)
- S. Richardson, W. R. Gilks
- Statistics in medicine
- 1993
We construct a unifying representation of the structure of measurement error problems with particular reference to situations commonly encountered in epidemiological studies, and outline how… (More)
- Paul Ronald Elliott, S. Richardson, +4 authors David Briggs
- Occupational and environmental medicine
- 2009
OBJECTIVE
To investigate the risk of congenital anomalies in relation to an index of geographic density of landfill sites across 5x5 km grid squares in England.
METHODS
2 km zones were constructed… (More)
- Rachel S van der Post, Ingrid P. Vogelaar, +45 authors Rebecca C Fitzgerald
- Journal of medical genetics
- 2015
Germline CDH1 mutations confer a high lifetime risk of developing diffuse gastric (DGC) and lobular breast cancer (LBC). A multidisciplinary workshop was organised to discuss genetic testing,… (More)
- S. Richardson, Isabelle Stücker, Denis Hémon
- International journal of epidemiology
- 1987
This paper is concerned with the problem of estimating relative risks from ecological correlation studies. In the first part, some of the biases encountered when analysing aggregated data are… (More)