Dr. David B. Adams – Psychological Blog

Psychology of Illness, Pain, Anxiety and Depression

Frequency of Depression and Chronic Back Pain

Frequency: Depression can be an emotional response to chronic back pain and major (clinical) depressive disorder is the most concerning of these disorders.

The symptoms of major depressive disorder occur daily for at least two weeks and include at least 5 symptoms:

A predominant mood that is depressed, sad, blue, hopeless, low, or irritable, which may include periodic crying spells
Poor appetite or significant weight loss or increased appetite or weight gain
Sleep problem of either too much (hypersomnia) or too little (hyposomnia) sleep
Feeling agitated (restless) or sluggish (low energy or fatigue) frequency
Loss of interest or pleasure in usual activities
Decreased libido
Feeling of worthlessness and/or guilt
Problems with concentration, memory or decision-making
Thoughts of death, suicide, or wishing to be dead
Major depression is thought to be four times greater in people with chronic back pain than in the general population.

In research studies on the frequency depression in chronic low back pain, 32 to 82 percent of patients show some type of depression or depressive problem, with an average of 62.

In one study it was found that the frequency of major depressive disorder increased in a linear fashion with greater pain severity, and it was also found that the combination of chronic back pain and depression was associated with greater disability than either depression or chronic back pain alone.

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