Using police crash databases for injury prevention research - a comparison of opt‐out and opt‐in approaches to study recruitment
Abstract Objective: The study aimed to examine the difference in response rates between opt‐out and opt‐in participant recruitment in a population‐based study of heavy‐vehicle drivers involved in a police‐attended crash. Methods: Two approaches to subject recruitment were implemented in two differen...
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Elsevier,
2014-06-01T00:00:00Z.
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