The Composite International Diagnostic Interview: An Epidemiologic Instrument Suitable for Use in Conjunction With Different Diagnostic Systems and in Different Cultures
01 Dec 1988-Archives of General Psychiatry (American Medical Association)-Vol. 45, Iss: 12, pp 1069-1077
TL;DR: The design and development of the CIDI is described and the current field testing of a slightly reduced "core" version is described, allowing investigators reliably to assess mental disorders according to the most widely accepted nomenclatures in many different populations and cultures.
Abstract: • The Composite International Diagnostic Interview (CIDI), written at the request of the World Health Organization/US Alcohol, Drug Abuse, and Mental Health Administration Task Force on Psychiatric Assessment Instruments, combines questions from the Diagnostic Interview Schedule with questions designed to elicit Present State Examination items. It is fully structured to allow administration by lay interviewers and scoring of diagnoses by computer. A special Substance Abuse Module covers tobacco, alcohol, and other drug abuse in considerable detail, allowing the assessment of the quality and severity of dependence and its course. This article describes the design and development of the CIDI and the current field testing of a slightly reduced "core" version. The field test is being conducted in 19 centers around the world to assess the interviews' reliability and its acceptability to clinicians and the general populace in different cultures and to provide data on which to base revisions that may be found necessary. In addition, questions to assess International Classification of Diseases , ninth revision, and the revised DSM-III diagnoses are being written. If all goes well, the CIDI will allow investigators reliably to assess mental disorders according to the most widely accepted nomenclatures in many different populations and cultures.
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TL;DR: The prevalence of psychiatric disorders is greater than previously thought to be the case, and morbidity is more highly concentrated than previously recognized in roughly one sixth of the population who have a history of three or more comorbid disorders.
Abstract: Background: This study presents estimates of lifetime and 12-month prevalence of 14 DSM-III-R psychiatric disorders from the National Comorbidity Survey, the first survey to administer a structured psychiatric interview to a national probability sample in the United States. Methods: The DSM-III-R psychiatric disorders among persons aged 15 to 54 years in the noninstitutionalized civilian population of the United States were assessed with data collected by lay interviewers using a revised version of the Composite International Diagnostic Interview. Results: Nearly 50% of respondents reported at least one lifetime disorder, and close to 30% reported at least one 12-month disorder. The most common disorders were major depressive episode, alcohol dependence, social phobia, and simple phobia. More than half of all lifetime disorders occurred in the 14% of the population who had a history of three or more comorbid disorders. These highly comorbid people also included the vast majority of people with severe disorders. Less than 40% of those with a lifetime disorder had ever received professional treatment, and less than 20% of those with a recent disorder had been in treatment during the past 12 months. Consistent with previous risk factor research, it was found that women had elevated rates of affective disorders and anxiety disorders, that men had elevated rates of substance use disorders and antisocial personality disorder, and that most disorders declined with age and with higher socioeconomic status. Conclusions: The prevalence of psychiatric disorders is greater than previously thought to be the case. Furthermore, this morbidity is more highly concentrated than previously recognized in roughly one sixth of the population who have a history of three or more comorbid disorders. This suggests that the causes and consequences of high comorbidity should be the focus of research attention. The majority of people with psychiatric disorders fail to obtain professional treatment. Even among people with a lifetime history of three or more comorbid disorders, the proportion who ever obtain specialty sector mental health treatment is less than 50%. These results argue for the importance of more outreach and more research on barriers to professional help-seeking.
11,648 citations
TL;DR: Although mental disorders are widespread, serious cases are concentrated among a relatively small proportion of cases with high comorbidity, as shown in the recently completed US National Comorbidities Survey Replication.
Abstract: Background Little is known about the general population prevalence or severity of DSM-IV mental disorders. Objective To estimate 12-month prevalence, severity, and comorbidity of DSM-IV anxiety, mood, impulse control, and substance disorders in the recently completed US National Comorbidity Survey Replication. Design and Setting Nationally representative face-to-face household survey conducted between February 2001 and April 2003 using a fully structured diagnostic interview, the World Health Organization World Mental Health Survey Initiative version of the Composite International Diagnostic Interview. Participants Nine thousand two hundred eighty-two English-speaking respondents 18 years and older. Main Outcome Measures Twelve-month DSM-IV disorders. Results Twelve-month prevalence estimates were anxiety, 18.1%; mood, 9.5%; impulse control, 8.9%; substance, 3.8%; and any disorder, 26.2%. Of 12-month cases, 22.3% were classified as serious; 37.3%, moderate; and 40.4%, mild. Fifty-five percent carried only a single diagnosis; 22%, 2 diagnoses; and 23%, 3 or more diagnoses. Latent class analysis detected 7 multivariate disorder classes, including 3 highly comorbid classes representing 7% of the population. Conclusion Although mental disorders are widespread, serious cases are concentrated among a relatively small proportion of cases with high comorbidity.
10,951 citations
TL;DR: Progress in estimating age-at-onset distributions, cohort effects, and the conditional probabilities of PTSD from different types of trauma will require future epidemiologic studies to assess PTSD for all lifetime traumas rather than for only a small number of retrospectively reported "most serious" traumAs.
Abstract: Background: Data were obtained on the general population epidemiology of DSM-III-R posttraumatic stress disorder (PTSD), including information on estimated lifetime prevalence, the kinds of traumas most often associated with PTSD, sociodemographic correlates, the comorbidity of PTSD with other lifetime psychiatric disorders, and the duration of an index episode. Methods: Modified versions of the DSM-III-R PTSD module from the Diagnostic Interview Schedule and of the Composite International Diagnostic Interview were administered to a representative national sample of 5877 persons aged 15 to 54 years in the part II subsample of the National Comorbidity Survey. Results: The estimated lifetime prevalence of PTSD is 7.8%. Prevalence is elevated among women and the previously married. The traumas most commonly associated with PTSD are combat exposure and witnessing among men and rape and sexual molestation among women. Posttraumatic stress disorder is strongly comorbid with other lifetime DSM-III-R disorders. Survival analysis shows that more than one third of people with an index episode of PTSD fail to recover even after many years. Conclusions: Posttraumatic stress disorder is more prevalent than previously believed, and is often persistent. Progress in estimating age-at-onset distributions, cohort effects, and the conditional probabilities of PTSD from different types of trauma will require future epidemiologic studies to assess PTSD for all lifetime traumas rather than for only a small number of retrospectively reported "most serious" traumas. (Arch Gen Psychiatry. 1995;52:1048-1060)
9,690 citations
TL;DR: The brevity, strong psychometric properties, and ability to discriminate DSM-IV cases from non-cases make the K10 and K6 attractive for use in general-purpose health surveys.
Abstract: Background. A 10-question screening scale of psychological distress and a six-question short-form scale embedded within the 10-question scale were developed for the redesigned US National Health Interview Survey (NHIS). Methods. Initial pilot questions were administered in a US national mail survey (N fl 1401). A reduced set of questions was subsequently administered in a US national telephone survey (N fl 1574). The 10-question and six-question scales, which we refer to as the K10 and K6, were constructed from the reduced set of questions based on Item Response Theory models. The scales were subsequently validated in a two-stage clinical reappraisal survey (N fl 1000 telephone screening interviews in the first stage followed by N fl 153 face-to-face clinical interviews in the second stage that oversampled first-stage respondents who screened positive for emotional problems) in a local convenience sample. The second-stage sample was administered the screening scales along with the Structured Clinical Interview for DSM-IV (SCID). The K6 was subsequently included in the 1997 (N fl 36116) and 1998 (N fl 32440) US National Health Interview Survey, while the K10 was included in the 1997 (N fl 10641) Australian National Survey of Mental Health and Well-Being. Results. Both the K10 and K6 have good precision in the 90th‐99th percentile range of the population distribution (standard errors of standardized scores in the range 0‐20‐0‐25) as well as consistent psychometric properties across major sociodemographic subsamples. The scales strongly discriminate between community cases and non-cases of DSM-IV}SCID disorders, with areas under the Receiver Operating Characteristic (ROC) curve of 0‐87‐0‐88 for disorders having Global Assessment of Functioning (GAF) scores of 0‐70 and 0‐95‐0‐96 for disorders having GAF scores of 0‐50. Conclusions. The brevity, strong psychometric properties, and ability to discriminate DSM-IV cases from non-cases make the K10 and K6 attractive for use in general-purpose health surveys. The scales are already being used in annual government health surveys in the US and Canada as well as in the WHO World Mental Health Surveys. Routine inclusion of either the K10 or K6 in clinical studies would create an important, and heretofore missing, crosswalk between community and clinical epidemiology.
7,570 citations
Cites background or methods from "The Composite International Diagnos..."
...…strongly discriminate between community cases and non-cases of DSM-IV}SCID disorders, with areas under the Receiver Operating Characteristic (ROC) curve of 0±87–0±88 for disorders having Global Assessment of Functioning (GAF) scores of 0–70 and 0±95–0±96 for disorders having GAF scores of 0–50....
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...WMH respondents are being administered the WHO Composite International Diagnostic Interview (CIDI) (WHO, 1997), a fully structured research diagnostic interview that generates diagnoses according to the definitions and criteria of both the ICD-10 and DSM-IV diagnostic systems, and the WHO Disability Assessment Schedule (WHO-DAS) (Rehm et al. 1999), a fully structured instrument designed to assess the extent of impairment associated with physical and mental disorders....
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...A number of such structured diagnostic interviews now exist, including the Diagnostic Interview Schedule (DIS) (Robins et al. 1981), the Composite International Diagnostic Interview (CIDI) (Robins et al. 1988), the PRIME-MD (Spitzer et al. 1994) ; and the Mini-International Neuropsychiatric Interview (MINI; Sheehan et al. 1998)....
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...However, a separate analysis carried out in the NSMHWB showed that the K10 and K6 both significantly outperform the GHQ-12 in discriminating CIDI}ICD-10 cases of anxiety and mood disorders (Furukawa et al. 2002)....
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...…interviews now exist, including the Diagnostic Interview Schedule (DIS) (Robins et al. 1981), the Composite International Diagnostic Interview (CIDI) (Robins et al. 1988), the PRIME-MD (Spitzer et al. 1994) ; and the Mini-International Neuropsychiatric Interview (MINI; Sheehan et al. 1998)....
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TL;DR: A conceptual framework and a set of research guidelines for use in studies of the chronic fatigue syndrome are developed that cover the clinical and laboratory evaluation of persons with unexplained fatigue; the identification of underlying conditions that may explain the presence of chronic fatigue; revised criteria for defining cases of the Chronic fatigue syndrome; and a strategy for dividing the chronic Fatigue syndrome and other unexplained cases of Chronic fatigue into subgroups.
Abstract: The complexities of the chronic fatigue syndrome and the methodologic problems associated with its study indicate the need for a comprehensive, systematic, and integrated approach to the evaluation, classification, and study of persons with this condition and other fatiguing illnesses. We propose a conceptual framework and a set of guidelines that provide such an approach. Our guidelines include recommendations for the clinical evaluation of fatigued persons, a revised case definition of the chronic fatigue syndrome, and a strategy for subgrouping fatigued persons in formal investigations.
4,621 citations
Cites methods from "The Composite International Diagnos..."
...The presence or absence, classification, and timing of onset of neuropsychiatric conditions should be established using published or freely available instruments, such as the Composite International Diagnostic Instrument (34), the National Institute of Mental Health Diagnostic Interview Schedule (35), and the Structured Clinical Interview for DSM-III(R) (36)....
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References
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TL;DR: Lifetime rates are presented for 15 DSM-III psychiatric diagnoses evaluated in three large household samples on the basis of lay interviewers' use of the Diagnostic Interview Schedule.
Abstract: • Lifetime rates are presented for 15 DSM-III psychiatric diagnoses evaluated in three large household samples on the basis of lay interviewers' use of the Diagnostic Interview Schedule. The most common diagnoses were alcohol abuse and dependence, phobia, major depressive episode, and drug abuse and dependence. Disorders that most clearly predominated in men were antisocial personality and alcohol abuse and dependence. Disorders that most clearly predominated in women were depressive episodes and phobias. The age group with highest rates for most disorders was found to be young adults (aged 25 to 44 years). Correlates with race, education, and urbanization are presented.
2,459 citations
TL;DR: Six-month prevalence rates for selected DSM-III psychiatric disorders are reported based on community surveys in New Haven, Conn, Baltimore, and St Louis based on data gathered on more than 9,000 adults using the Diagnostic Interview Schedule.
Abstract: • Six-month prevalence rates for selected DSM-III psychiatric disorders are reported based on community surveys in New Haven, Conn, Baltimore, and St Louis. As part of the Epidemiologic Catchment Area program, data were gathered on more than 9,000 adults, employing the Diagnostic Interview Schedule to collect information to make a diagnosis. The most common disorders found were phobias, alcohol abuse and/or dependence, dysthymia, and major depression. The most common diagnoses for women were phobias and major depression, whereas for men, the most predominant disorder was alcohol abuse and/or dependence. Rates of psychiatric disorders dropped sharply after age 45 years.
1,500 citations
TL;DR: The National Institute of Mental Health multisite Epidemiologic Catchment Area (ECA) program is described in the context of four previous psychiatric epidemiologic surveys that included a combined total of 4,000 subjects from Stirling County, the Baltimore Morbidity Study, Midtown Manhattan, and the New Haven third-wave survey.
Abstract: The National Institute of Mental Health multisite Epidemiologic Catchment Area (ECA) program is described in the context of four previous psychiatric epidemiologic surveys that included a combined total of 4,000 subjects from Stirling County, the Baltimore Morbidity Study, Midtown Manhattan, and the New Haven third-wave survey. The ECA program is distinguished by its sample size of at least 3,500 subjects per site (about 20,000 total); the focus on Diagnostic Interview Schedule--defined DSM-III mental disorders; the one-year reinterview-based longitudinal design to obtain incidence and service use data; the linkage of epidemiologic and health service use data; and the replication of design and method in multiple sites. Demographic characteristics of community and sample populations are provided for New Haven, Conn, Baltimore, and St Louis.
1,193 citations
TL;DR: In this paper, 12 research centres in 10 countries monitored geographically defined populations over 2 years to identify individuals making a first-in-lifetime contact with any type of 'helping agency' because of symptoms of psychotic illness.
Abstract: In a context of a WHO collaborative study, 12 research centres in 10 countries monitored geographically defined populations over 2 years to identify individuals making a first-in-lifetime contact with any type of 'helping agency' because of symptoms of psychotic illness. A total of 1379 persons who met specified inclusion criteria for schizophrenia and other related non-affective disorders were examined extensively, using standardized instruments, on entry into the study and on two consecutive follow-ups at annual intervals. Patients in different cultures, meeting the ICD and CATEGO criteria for schizophrenia, were remarkably similar in their symptom profiles and 49% of them presented the central schizophrenic conditions as defined by CATEGO class S+. However, the 2-year pattern of course was considerably more favourable in patients in developing countries compared with patients in developed countries, and the difference could not be fully explained by the higher frequency of acute onsets among the former. Age- and sex-specific incidence rates and estimates of disease expectancy were determined for a 'broad' diagnostic group of schizophrenic illness and for CATEGO S+ cases. While the former showed significant differences among the centres, the differences in the rates for S+ cases were non-significant or marginal. The results provide strong support for the notion that schizophrenic illnesses occur with comparable frequency in different populations and support earlier findings that the prognosis is better in less industrialized societies.
828 citations
TL;DR: This work should produce a more complete understanding of obstacles to mental disorder case ascertainment by lay interview and clinical examination methods in the context of a field survey.
Abstract: • We studied DSM-III diagnoses made by the lay Diagnostic Interview Schedule (DIS) method in relation to a standardized DSM-III diagnosis by psychiatrists in the two-stage Baltimore Epidemiologic Catchment Area mental morbidity survey. Generally, prevalence estimates based on the DIS one-month diagnoses were significantly different from those based on the psychiatric diagnoses. Subjects identified as cases by each method were often different subjects. Measured in terms of K, the chance-corrected degree of agreement between the DIS and psychiatrists' one-month diagnoses was moderate for DSM-III alcohol-use disorder (abuse and dependence combined), and lower for other mental disorder categories. The unreliability of either the DIS or psychiatric diagnoses is one potential explanation for the observed disagreements. Others include the following: (1) insufficient or inadequate information (on which to base a diagnosis); (2) recency of disorder; (3) incomplete criterion coverage; (4) overinclusive DIS questions; and (5) degree of reliance on subject symptom reports. Further study of the nature and sources of these discrepancies is underway. This work should produce a more complete understanding of obstacles to mental disorder case ascertainment by lay interview and clinical examination methods in the context of a field survey.
556 citations