Reviewed by
Laura J. Martin, MD
Sept. 30, 2010 -- The CDC says that about 9% of Americans report they are depressed at least occasionally, and 3.4% suffer from major depression.
The 9% are
people who reported to surveyors that they felt depressed to some
degree in the two weeks prior to being questioned. That includes the
3.4% of adults who meet the CDC’s criteria for major depression.
The analysis, part of the CDC’s Morbidity and Mortality Weekly Report(MMWR) for
Oct. 1, was based on a survey of 235,067 people aged 18 and older in 45
states, Washington, D.C., Puerto Rico, and the Virgin Islands.
According to the MMWR, estimates for current
depression in states and territories in 2006-2008 ranged from a low of
4.8% in North Dakota to 14.8% in Mississippi. People in Kentucky, New
Jersey, North Carolina, Pennsylvania, and South Dakota did not
participate in either the 2006 or the 2008 survey.
Major Depression Increases With Age
The MMWR says the prevalence of major
depression increased with age, from 2.8% among people aged 18 to 24 to
4.6% of people aged 46 to 64.
Older people reported less major depression, the CDC
says, with only 1.6% of people aged 65 and older reporting depressive
episodes.
Among other findings:
- Women were much more likely than men to report major depression, 4% to 2.7%.
- 5.9% of people without health insurance reported depressive episodes, compared to 2.9% of people with insurance coverage.
- 6.6% of people who said they were previously married, or never married, reported some depression, vs. 2.2% of married people.
- 9.8% of people who were unemployed and 22.2% of those unable to work reported depressive periods, compared with 3% of homemakers and students, 2% of people with jobs, and 1.6% of retirees.
- 4% of non-Hispanic blacks reported depression, 4% of Hispanics, 4.3% of non-Hispanic people of other races, and 3.1% of non-Hispanic whites.
The report also says that 6.7% of people with less
than a high school diploma and 4% of high school graduates reported
depressive periods, compared to 2.5% of people with some college
education.
Major Depression Among the States
Estimates for major depression ranged from 1.5% in North Dakota to 5.3% in Mississippi and West Virginia.
The CDC says it is not known why depression is
greater in women than in men. And differences in depression prevalence
among states and territories might result from variations in
socioeconomic status, physical disorders, and access to health care
treatment.
The investigators said a greater prevalence of depression was found in the Southeastern states.
Here is a list of participating states and territories and their prevalence rates for major depression.
Major Depression Among the States continued...
Area Percentage of Major Depression
Alabama 4.1
Alaska 2.3
Arizona 3.6
Arkansas 4.9
California 3.7
Colorado 2.4
Connecticut 2.0
Delaware 3.4
Washington, D.C. 2.8
Florida 3.2
Georgia 3.4
Hawaii 3.1
Idaho 2.9
Illinois 3.1
Indiana 3.9
Iowa 2.1
Kansas 3.6
Louisiana 2.9
Maine 3.5
Maryland 2.6
Massachusetts 2.6
Michigan 3.8
Minnesota 2.1
Mississippi 5.3
Missouri 4.1
Montana 2.4
Nebraska 2.3
Nevada 3.7
New Hampshire 3.0
New Mexico 3.5
New York 2.2
North Dakota 1.5
Ohio 3.9
Oklahoma 4.7
Oregon 3.5
Rhode Island 3.4
South Carolina 3.6
Tennessee 4.1
Texas 3.5
Utah 3.4
Vermont 3.0
Virginia 2.8
Washington 3.1
West Virginia 5.3
Wisconsin 2.3
Wyoming 3.1
Puerto Rico 4.5
U.S. Virgin Islands 1.7
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