1 results match your criteria: "National Research and Development Center for Welfare and Health (STAKES)[Affiliation]"
Blinding decreased recruitment in a prevention trial of postmenopausal hormone therapy.
J Clin Epidemiol
December 2004
Health and Social Services, National Research and Development Center for Welfare and Health (STAKES), P.O. Box 220, 00531 Helsinki, Finland.
Purpose: To compare the effect of blind design (active drug and placebo) and nonblind design (active drug and no treatment) on recruitment.
Setting: A primary prevention trial with postmenopausal hormone therapy in Estonia.
Methods: Women who were eligible and willing to participate on the basis of the questionnaire survey were randomized into blind and nonblind groups.