Journal article
EFFECT OF CONTACT LETTER ON CONTROL RESPONSE RATES IN CANCER STUDIES
Abstract
Our analysis of response rates for community controls approached in a retrospective study of melanoma indicates that there was an 11 per cent improvement in response rate when the contact letter was changed from inviting participation in a "healthy study" with no mention of cancer to a format which explicitly explained that the study concerned cancer. This improvement was observed for all age-sex groups except younger males. The result suggest …
Authors
WALTER SD; MARRETT LD; MISHKEL N
Journal
American Journal of Epidemiology, Vol. 127, No. 3, pp. 691–694
Publisher
Oxford University Press (OUP)
Publication Date
March 1, 1988
DOI
10.1093/oxfordjournals.aje.a114844
ISSN
0002-9262