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Unsafe driving in North American automobile commercials.

BACKGROUND: Motor-vehicle crashes (MVCs) are a leading cause of death of young Americans and Canadians. Aggressive driving and driving at high speed are frequently cited as contributing to crashes. Consumer and safety associations have raised concern that driving behaviour portrayed in automobile commercials may influence consumer-driving behaviour. However, the prevalence of aggressive driving in automobile commercials has not been systematically evaluated. OBJECTIVES: To identify the prevalence and types of unsafe driving that are portrayed in United States and Canadian televised automobile commercials as well as the use of safety promotion and disclaimers. DESIGN: All English language automobile and truck commercials (>or=30 seconds in length), airing nationally on major broadcast and cable networks in either the United States or Canada during January or July between 1998 and 2002 were assessed by three independent raters for the presence and type of unsafe driving activity, presence of safety promotion and the use of written disclaimers in each commercial. RESULTS: Of 250 total commercials, 113 (45 per cent) contained an unsafe driving sequence as determined by at least two of three raters. Unanimous agreement as to the presence of an unsafe driving sequence was found in 63 (25 per cent) commercials. Aggressive driving accounted for 85 per cent of the unsafe driving sequences, including 56 per cent with speed violations. Safety promotion was present in 30 (12 per cent) commercials. Of 141 commercials in which the gender /sex of the driver was shown, 115 (81 per cent) displayed a male driver. CONCLUSION: Unsafe driving is prevalent in North American automobile commercials. Given the extent to which MVCs are a public health and economic concern, this finding seems in conflict with responsible advertising. The degree to which the portrayal of driving in automobile commercials affects consumer-driving behaviour should be an area of further investigation.

Accidents, Traffic↗

Aging and driving.

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Automobile Driving↗

Alcohol and driving.

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Alcoholic Intoxication↗

Evaluating driving performance of outpatients with Alzheimer disease.

BACKGROUND: Alzheimer disease (AD) is a progressive disease, with multiple physiologic, psychologic, and social implications. A critical issue in its management is when to recommend restrictions on autonomous functioning, such as driving an automobile. This study evaluates driving performance of patients with AD and its relation to patient scores on the Mini-Mental State Exam (MMSE). METHODS: This study compared 29 outpatients with probable AD with 21 age-matched control participants on an interactive driving simulator to determine how the two groups differed and how such differences related to mental status. RESULTS: Patients with AD (1) were less likely to comprehend and operate the simulator cognitively, (2) drove off the road more often, (3) spent more time driving considerably slower than the posted speed limit, (4) spent less time driving faster than the speed limit, (5) applied less brake pressure in stop zones, (6) spent more time negotiating left turns, and (7) drove more poorly overall. There were no observed differences between AD patients and the control group in terms of crossing the midline and driving speed variability. Among the AD patients, those who could not drive the simulator because of confusion and disorientation (n = 10) had lower MMSE scores and drove fewer miles annually. Those AD patients who had stopped driving also scored lower on their MMSE but did not perform more poorly on the driving simulator. Factor analysis revealed five driving factors associated with AD, explaining 93 percent of the variance. These five factors correctly classified 27 (85 percent) of 32 AD patients compared with the control group. Of the 15 percent who were improperly classified, there were three false positives (control participants misclassified as AD patients) and two false negatives (AD patients misclassified as control participants). The computed total driving score correlated significantly with MMSE scores (r = -.403, P = 0.011). CONCLUSION: Driving simulators can provide an objective means of assessing driving safety.

Aged↗

Vision for driving.

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Automobile Driver Examination↗