Effects of different invitation strategies on participation in a cohort study of Iranian public sector employees: a cluster randomized trial
Abstract Background Identifying strategies to optimize participation in health studies is one of the major concerns for researchers. The purpose of this study was to evaluate the efficiency of different invitation strategies on participation rate in the Employees’ Health Cohort Study of Iran (EHCSIR...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2021-10-01
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| Series: | BMC Medical Research Methodology |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12874-021-01405-8 |