What information should be included in your diversity plan (i.e. Age, sex, religion, education, disability, work experience, etc.)?

What information should be included in your diversity plan (i.e. Age, sex, religion, education, disability, work experience, etc.)? As a Manager are there main areas of concern that you should prepare for in regards to ADA/ EEOC regulations? What are the benefits to having a diversity plan set up for your organization?