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Clinical Predictors of Mental Disorders Among Medical Outpatients
Jeffrey L. Jackson, MD, MPH;
James S. Houston, BS;
Steven R. Hanling, BS;
Kenneth A. Terhaar, BS;
Joon S. Yun, BS
Arch Intern Med. 2001;161:875-879.
Background Mental disorders are common among primary care patients and often not
detected by primary care physicians. We report on clinical cues that may allow
physicians to target patients for psychiatric screening.
Methods Two hundred fifty consecutive adults presenting to a walk-in clinic
completed previsit surveys assessing demographics, symptom characteristics,
recent stress, functional status (Medical Outcomes Study Short Form6),
and mental disorders (Primary Care Evaluation of Mental Disorders [PRIME-MD]).
Patients with positive findings for a mental disorder on the PRIME-MD underwent
a semistructured interview. Immediately after the visit, physicians completed
the Difficult Doctor Patient Relationship Questionnaire.
Results Patients averaged 50.5 years of age (range, 18-92 years). Little more
than half were women (53%); 43%, white; 44%, African American; 8%, Hispanic;
and 6%, other. Twenty-six percent had an underlying mental disorder; 11% had
more than 1 mental disorder. Sixteen percent had a depressive disorder; 6%,
major depression; 11%, an anxiety disorder; 2%, panic disorder; and 9%, a
somatoform disorder. Independent correlates of a mental disorder included
reporting recent stress (odds ratio [OR], 6.7; 95% confidence interval [CI],
3.3-13.6), having 5 or more physical symptoms (OR, 4.0; 95% CI, 2.1-7.9),
or reporting health to be less than very good (OR, 2.2; 95% CI, 1.1-4.3).
There was a stepwise increase in the likelihood of having a mental disorder
and number of correlates present. Among patients with no predictors, only
2% had an underlying mental disorder, compared with 72% among patients with
all 3 clinical predictors.
Conclusions Patients who report recent stress, 5 or more physical symptoms, or poor
health are more likely to have an underlying mental disorder. These clinical
cues may allow clinicians to select patients in whom formal screening for
mental disorders would be particularly fruitful.
From the Department of Medicine, Uniformed Services University of the
Health Sciences, Bethesda, Md.
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Osler on the "Positive Review of Systems" Patient
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Arch Intern Med. 2001;161(21):2631.
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