Effect on response rates of stamps vs a pre-printed business reply envelope in a mailed follow-up survey among middle-aged Danish men
Int J Epidemiol
.
2009 Aug;38(4):1156-7.
doi: 10.1093/ije/dyn044.
Epub 2008 Mar 20.
Authors
Merete Osler
,
Mette Juhl
,
Rikke Lund
,
Anne-Marie Nybo Andersen
,
Margit Kriegbaum
,
Ulla Christensen
PMID:
18356194
DOI:
10.1093/ije/dyn044
No abstract available
Publication types
Letter
MeSH terms
Cooperative Behavior
Denmark
Health Surveys*
Humans
Male
Middle Aged
Postal Service*
Surveys and Questionnaires