Random versus volunteer selection for a community-based study.

Ganguli, M; Lytle, M E; Reynolds, M D; Dodge, H H

Ganguli, M; Lytle, M E; Reynolds, M D; Dodge, H H.

Affiliation

Ganguli M; Department of Psychiatry, School of Medicine, Graduate School of Public Health, University of Pittsburgh, Pennsylvania, USA. gangulim@vms.cis.pitt.edu

J Gerontol A Biol Sci Med Sci ; 53(1): M39-46, 1998 Jan.

Article in En | MEDLINE | ID: mdl-9467432

Subject(s)

Patient Selection; Activities of Daily Living; Aged; Aged, 80 and over; Bias; Cognition; Cost-Benefit Analysis; Cross-Sectional Studies; Data Interpretation, Statistical; Educational Status; Epidemiologic Studies; Female; Follow-Up Studies; Forecasting; Health Services/statistics & numerical data; Humans; Longitudinal Studies; Male; Mortality; Pennsylvania/epidemiology; Random Allocation; Risk Factors; Rural Population; Sample Size; Sampling Studies; Sex Factors; Volunteers

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Collection: 01-internacional Database: MEDLINE Main subject: Patient Selection Type of study: Clinical_trials / Etiology_studies / Observational_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies Limits: Aged / Aged80 / Female / Humans / Male Country/Region as subject: America do norte Language: En Journal: J Gerontol A Biol Sci Med Sci Journal subject: GERIATRIA Year: 1998 Document type: Article Affiliation country: United States Country of publication: United States

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