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To send or not to send: weighing the costs and benefits of mailing an advance letter to participants before a telephone survey
OBJECTIVE: A letter was mailed to half the participants (Letter = 137; No Letter = 138) of a 5-year follow-up survey regarding smoking cessation before attempting contact for a telephone interview. The primary outcome was the number of completed surveys per group (response rate). Secondary analyses...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2018
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6238335/ https://www.ncbi.nlm.nih.gov/pubmed/30442187 http://dx.doi.org/10.1186/s13104-018-3920-6 |