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GADCDC
Probability of psychiatric caseness for GAD: NHIS CIDI-SF
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Codes

GADCDC is a one-column variable.

0 = Does not meet criteria for GAD
1 = Meets criteria for GAD
9 = NIU

Description

For sample adults, GADCDC reports results for a summary measure that allows researchers to calculate the likelihood a respondent met the diagnostic criteria (i.e., psychiatric caseness) for generalized anxiety disorder (GAD). GADCDC is an IPUMS NHIS-created variable that summarizes responses given to the series of questions making up the NHIS version of the Composite International Diagnostic Interview - Short Form (CIDI-SF) for generalized anxiety disorder. Apart from the value of 9 for persons not asked these questions, GADCDC has a value of 0 (not probable psychiatric caseness) or 1 (probable psychiatric caseness).

Data Collection and Scoring Indicators for Generalized Anxiety Disorder 

As explained in greater detail in the variable description for WOR1MO, the CIDI-SF instrument for generalized anxiety discorder began with a series of screening questions that determined whether respondents qualified for a second round of questioning on symptoms of generalized anxiety disorder. In the NHIS version of the survey instrument, only respondents who acknowledged feeling worried, tense, or anxious most of the time, or worrying more than most people would, for at least 6 months, were asked about specific symptoms of generalized anxiety disorder. Those who did not pass the screening questions received a score of 0 in GADCDC.

Respondents who passed the screening questions and answered the symptom questions received a score of 1 (indicating probable psychiatric caseness) only if three sets of criteria were met:

Criterion A: The period of feeling worried, tense, or anxious or worrying more than most people was excessive, last more days than not, and involved worrying about more than one thing.
Criterion B: Either it was difficult to stop worrying OR worry was often too strong to be put out of mind OR worry was often difficult to control.
Criterion C: At least 3 out of 7 physiological symptoms of anxiety were endorsed.

For more information about the CIDI-SF instrument for generalized anxiety disorder and scoring the results, see WOR1MO.

Comparability

GADCDC only occurs in 1999.

Universe

  • 1999: Sample adults age 18+.

Availability

  • 1999

Weights