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The Dysthymia module of the Composite International Diagnostic Interview (UM-CIDI) short form was adapted and used with the primary caregiver (PC) of subjects to obtain information about depressive symptoms experienced by the PC during the past 2 years. The Dysthymia instrument differed from the Depression instrument in that the Dysthymia instrument asked about feelings of sadness or depression most of the time whereas the Depression instrument focused on feelings of sadness or depression for two weeks or more in a row.

WAVE 2: The Dysthymia survey (PDF 3.1MB) was administered to subjects' primary caregivers for Cohorts 0 to 15.


Kessler & Mrozek (1997) UM CIDI-Short form. University of Michigan, Institute for Social Research. Ann Arbor, MI.

Related Internet Resources

InterScience Abstract - The World Health Organization Composite International Diagnostic Interview Short Form

ScienceDirect Abstract - Reliability and Clinical Validity of UM-CIDI DSM-III-R

Dysthymic Disorder information at PsychNet-UK

Dysthymic Disorder information at

PHDCN Administration

Shaded boxes indicate that the measure is not available for a given wave/cohort.

Wave Cohort
0 3 6 9 12 15 18

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