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Effect of stamped reply envelopes and timing of newsletter delivery on response rates of mail survey: a randomised controlled trial in a prospective cohort study
OBJECTIVE: To examine the effects of stamped reply envelope and the timing of newsletter distribution. DESIGN: A randomised controlled trial in a prospective cohort study with a 2×2 factorial design of two interventions. SETTING: The Japan Nurses’ Health Study (JNHS), a prospective cohort study for...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Group
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3437560/ https://www.ncbi.nlm.nih.gov/pubmed/22952162 http://dx.doi.org/10.1136/bmjopen-2012-001181 |