Depression Issues - Do You Live in a Blue State? -
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Published on: 2/9/2004
Last Visited: 7/16/2005
"This is the first study that looked at this measure of depression," said lead researcher Rosemarie Kobau, a public health analyst at the U.S. Centers for Disease Control and Prevention's National Center for Chronic Disease Prevention and Health Promotion.
"Mood disorders are a major public health problem in the U.S.," she said."They impose a substantial burden of disability and impaired quality of life."
But, she added, "feeling sad, blue or depressed three days a month as a result of a stressful life situation is perfectly normal."
However, when people are depressed or lose interest in things that they previously enjoyed for more than about two weeks a month, that's the sign of a problem, she said.
Kobau said the number of people with depressive disorders in the United States remains around 11 percent, depending on how depression is measured.
She and her colleagues studied 166,000 responses to the question: "During the past 30 days, for about how many days have you felt sad, blue, or depressed?"
Among their other findings, Kobau's team found young adults (those between the ages of 18 and 24) reported the highest number of days with depressive symptoms.On the other hand, staying active warded off the blues: People who exercised had 1.3 fewer days with depressive symptoms than did those who did not exercise, the study found.
The study also found that if money doesn't necessarily buy happiness, it was associated with a less likelihood of being down.The same was true of education."Depressive symptoms were associated with lower levels of education and income, as well as unemployment or the inability to work," Kobau said.
College graduates and people with incomes over $50,000 had two sad, blue or depressed days a month, compared with almost five days for people without a high school education and 6.1 days for people with yearly incomes of less than $15,000.
People unable to work had the most sad, blue or depressed days a month -- an average of 10.2 days, according to the report in the July 28 issue of Health and Quality of Life Outcomes.
In addition, people who reported more days with depressive symptoms reported engaging in unhealthy behaviors such as cigarette smoking, binge drinking and not using seat belts, Kobau said."Most of those unhealthful behaviors are among the leading risk factors for disease and death in the U.S," she added.
"The findings from the study highlight the relationship between depressive symptoms and behaviors that are risky to health.Taking mental health into account when designing public health interventions can help improve people's coping skills and result in better health outcomes," Kobau said.
"Individuals who are troubled by unexplained sadness, lack of interest in life, if they find themselves in a constant blue mood, have low energy, or a recognized substance abuse, they should talk to their health-care provider to get treatment," she advised.
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SOURCES: Rosemarie Kobau, M.P.H., public health analyst, National Center for Chronic Disease Prevention and Health Promotion, U.S. Centers for Disease Control and Prevention, Atlanta; Ian A. Cook, M.D., associate professor, psychiatry, Neuropsychiatric Institute, University of California, Los Angeles; July 28, 2004, Health and Quality of Life Outcomes