This paper provides a meta-analysis of studies that have evaluated the effects of the use of a mobile phone while a person is driving on the risk of accident. The paper illustrates the difficulties of doing meta-analyses when studies are few and bad. Two main groups of studies were formed: one consisted of six studies that reported the actual use of mobile phones at the time of an accident; the other consisted of seven studies with less-precise information about the use of mobile phones at the time of accident. One study belonged to both groups. Study findings were heterogeneous even within these small groups. The trim-and-fill technique suggested the presence of publication bias, but its effects on summary estimates of risk varied according to whether a fixed-effects or random effects model of meta-analysis was used. Evidence from the epidemiological studies was not consistent with the findings of effects on driver behavior from driving simulator studies.
Effects of Mobile Phone Use on Accident Risk
Problems of Meta-Analysis When Studies Are Few and Bad
Transportation Research Record
Transportation Research Record: Journal of the Transportation Research Board ; 2236 , 1 ; 20-26
2011-01-01
Article (Journal)
Electronic Resource
English
Effects of Mobile Phone Use on Accident Risk: Problems of Meta-Analysis When Studies Are Few and Bad
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