Epidemiological researchers analyzed survey data from 9,500 adults using structured diagnostic interviews. They report that 47% of respondents who met criteria for major depressive disorder also met criteria for at least one anxiety disorder within the same 12-month period—a rate substantially higher than chance.
The phenomenon described in this study is best labeled as:
- A
Differential diagnosis
- B
Iatrogenic illness
- Ccheck_circle
Comorbidity
- D
Etiological specificity
Explanation
The co-occurrence of two or more disorders in the same individual is comorbidity. Differential diagnosis distinguishes conditions, etiological specificity refers to a unique cause, and iatrogenic illness is caused by treatment.