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Risk of driving cessation by study arm across 10 years in participants with poor baseline Useful Field of View performance who received booster training. Note: Covariates included study site, gender, and baseline driving frequency. Booster training occurred at Years 1 and 3. Sample sizes for booster analyses were: reasoning trained (n = 87), speed of processing trained (n = 82), memory trained (n = 97), and no-contact control (n = 170).
