This is an RCT aimed at testing different population-based approaches to increasing colorectal cancer screening through email outreach, including usual email communication, active choice, and active choice + financial incentive.

This is an RCT aimed at testing different population-based approaches to increasing colorectal cancer screening. The investigators will randomize a cohort of employees between the ages of 50-64 to 3 arms of email communications: a.) Usual email communication; b.) Active choice- usual care + the ability to pre-commit directly through a web form; c.) Financial incentive- usual care + active choice + financial incentive for completion.

Inclusion Criteria:

• Male and female employees of the University of Pennsylvania Health System who live within 30 miles of a health system endoscopy center.