Example. Front page news story, Daily Oklahoman, Oklahoma City, Feb 4, 2000
State of the State’s Health report, from Oklahoma Board of Health.
Text: “Currently, the death rate in Oklahoma is 11.3 percent higher than the national average.”
Graph: Death rate per 100,000 (age adjusted), in 1998.
- Oklahoma 529
- United States 475
The “11.3% higher” is an expression of a treatment (or exposure) effect. (Treatment would be: change OK conditions for next generation.)
- 529 is 11.3% higher than 475, where 100% = 475.
- This is a “Relative Risk Difference”.