Editor's Note: Gallup re-estimated its Gallup-Healthways Well-Being Index and Life Evaluation Index data from January 2008 to April 2009 to address context effects that Gallup discovered after the data were originally published.
Background information on the development of the Cantril Self-Anchoring Scale.
Residents of Hawaii and North Dakota had the lowest stress levels in the nation in the first half of 2009, while Kentucky and West Virginia residents had the highest stress levels. States with residents that are less stressed tend to have happier residents, but this is not always the case.
Residents of Colorado, Hawaii, and Utah in the first half of 2009 were the least likely to be obese, while Mississippi, West Virginia, Alaska, and Arkansas residents were the most likely. The 10 least obese states have an average diabetes rate of 9.1%, compared to an average rate of 12.1% in the 10 most obese states.