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Sex differences in subclinical and DSM-IV pathological gambling: results from the National Epidemiologic Survey on Alcohol and Related Conditions.

BACKGROUND: To examine sex differences in DSM-IV subclinical and pathological gambling in nationally representative data of the US population. METHOD: Data come from a large (n = 43093) representative sample of the adult US population. RESULTS: The lifetime prevalence rate of DSM-IV pathological gambling was 0.64% (95% CI 0.50-0.78) for men and 0.23% (95% CI 0.17-0.29) for women, whereas the lifetime prevalence of subclinical pathological gambling was 6.79% (95% CI 6.32-7.26) for men and 3.26% (95% CI 2.93-3.59) for women. For subclinical pathological gambling, men were significantly (p < 0.01) more likely than women to have smoked more than two packs of cigarettes a day, to be classified as heavy drinkers and to have lifetime diagnoses of alcohol and drug use disorders. Women with subclinical and pathological gambling were significantly more likely than men to have lifetime mood and anxiety disorders. With respect to pathological gambling, women had later ages of onset of the disorder, and were significantly more likely than men to report gambling to relieve depressed mood and to prefer casino gambling. Rates of treatment-seeking for DSM-IV pathological gambling were low for both men and women. CONCLUSIONS: There are important sex differences in the prevalence, symptom pattern, sociodemographic and clinical correlates and course of DSM-IV subclinical and pathological gambling. Results underscore the need to investigate sex differences in the social determinants, neurobiology and treatment response of DSM-IV subclinical and pathological gambling.

Adolescent↗

Prevalence of depression in an elderly community sample: a comparison of GMS-AGECAT and DSM-IV diagnostic criteria.

BACKGROUND: Prevalence rates of depression based on the GMS-AGECAT system are markedly higher than rates of major depression diagnosed using DSM-III and DSM-III-R criteria. Interpreting this finding is difficult since AGECAT diagnostic criteria have not been published. METHODS: We conducted a survey in Edmonton, Canada, in which 1119 community residents aged 65 years or older were administered the Geriatric Mental State (GMS) questionnaire. Depression was diagnosed using AGECAT and also according to criteria for DSM-IV major depression and minor depression. We identified 57 items in the GMS relating to major and minor depression which were then grouped into dysphoric, somatic and cognitive categories. The relationship of these symptoms to AGECAT depression was investigated by recording symptoms to absent (nullifying) and recalculating the number of AGECAT cases. Data were weighted to reflect the underlying population. RESULTS: There were 143 cases of AGECAT depression (prevalence rate = 11.4%), 14 cases of major depression (prevalence rate = 0.86%) and 44 cases of minor depression (prevalence rate = 3.6%). Of the 154 subjects with either AGECAT or DSM-IV depression, only 47 (31%) were depressed according to both diagnostic systems. Nullifying all dysphoric symptoms reduced the number of AGECAT cases to eight, whereas nullifying somatic and cognitive symptoms reduced the numbers of cases only to 138 and 142, respectively. By themselves, dysphoric symptoms accounted for 77 of the 143 cases of AGECAT depression, while somatic and cognitive symtpoms alone accounted for no cases. CONCLUSIONS: AGECAT depression is more inclusive than DSM-IV major or minor depression and AGECAT case status is determined mainly by the proportion of dysphoric symptoms.

Alberta↗

Subfactors of DSM-IV conduct disorder: evidence and connections with syndromes from the Child Behavior Checklist.

Is conduct disorder (CD) as defined in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV; American Psychiatric Association, 1994) a unitary entity, or do variants of CD exist? We addressed this question, using data collected from the parents of 1,669 Australian boys, aged 6-17. Parents were interviewed to assess DSM-IV Conduct Disorder (DSM-IV CD) criteria. Results revealed 2 subfactors of DSM-IV CD symptoms, made up of overt behaviors (e.g., initiating physical fights) and covert behaviors (e.g., stealing without confrontation). Ordinary least squares regressions showed the 2 CD subfactors to be significantly and uniquely predicted by Child Behavior Checklist (CBCL; T. M. Achenbach, 1991a, 1991b) syndromes labeled Aggressive Behavior and Delinquent Behavior, respectively. The results are discussed in terms of the utility of differentiating these 2 variants of CD in future editions of the DSM.

Antisocial Personality Disorder↗

The relation between sluggish cognitive tempo and DSM-IV ADHD.

To test the relation between sluggish cognitive tempo (SCT) and DSM-IV ADHD symptoms, parent and teacher ratings of the 18 DSM-IV ADHD items and five potential SCT items were obtained in a community sample of 8-18 year-old twins that was overselected for ADHD and learning disabilities (n = 296). Confirmatory factor analyses revealed that a three-factor model provided the best fit to the data for both parent and teacher ratings. DSM-IV inattention and hyperactivity-impulsivity symptoms loaded on two factors consistent with the DSM-IV model, and five SCT symptoms loaded primarily on a third factor. The SCT and inattention factors were highly correlated, whereas SCT and hyperactivity-impulsivity were weakly related. Both raters indicated that children meeting symptom criteria for the combined and inattentive subtypes exhibited significantly more SCT symptoms than those meeting symptom criteria for hyperactive-impulsive type and the comparison group without ADHD. Children meeting symptom criteria for the inattentive type exhibited significantly more SCT symptoms than those meeting criteria for the combined type, based on teacher ratings. These results suggest that SCT is an internally consistent construct that is significantly associated with DSM-IV inattention.

Attention↗

Relationship between the DSM-IV and the ICD-10.

The 10th revision of the International Classification of Diseases and Related Health Problems (ICD-10; World Health Organization, 1990) and the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) will both come into use in 1993 and be much more alike than the ICD-9 (World Health Organization, 1978) and the DSM-III (American Psychiatric Association, 1980). The American Psychiatric Association's controversial decision to publish a revision of the DSM-III in 1987 before setting up the Task Force to produce the DSM-IV impaired the association's ability to influence the format of the ICD-10, because by then major decisions had already been made by the World Health Organization. The DSM-IV will be more soundly based on a wider range of empirical data than any previous classification, national or international, and should not be revised again without compelling scientific reasons.

Attitude of Health Personnel↗

Definitions of panic attacks and panic disorder in the DSM-IV: implications for research.

The authors review various definitions of panic and recent conceptual and empirical evidence that led to the revised definitions of panic in the Diagnostic and Statistical Manual of Mental Disorders. Fourth Edition (DSM-IV; American Psychiatric Association, 1994). The DSM-IV definitions of panic are more precise and more empirically based than those contained in the DSM-III-R, but are designed primarily for clinicians rather than researchers. Thus, it is possible that definitions of panic used in research under the DSM-IV system will encompass a heterogeneous mix of emotional phenomena. Recommendations on essential components of a conservative definition of panic are proposed for research purposes. Implications of this definition for limited symptom attacks and "non-fearful" panic are elaborated and related to final definitions of panic attacks and panic disorder in the DSM-IV.

Electromyography↗

Reliability of DSM-IV anxiety and mood disorders: implications for the classification of emotional disorders.

The reliability of current and lifetime Diagnostic and Statistical Manual of Mental Disorders (4th ed.; DSM-IV; American Psychiatric Association, 1994) anxiety and mood disorders was examined in 362 outpatients who underwent 2 independent administrations of the Anxiety Disorders Interview Schedule for DSM-IV: Lifetime version (ADIS-IV-L). Good to excellent reliability was obtained for the majority of DSM-IV categories. For many disorders, a common source of unreliability was disagreements on whether constituent symptoms were sufficient in number, severity, or duration to meet. DSM-IV diagnostic criteria. These analyses also highlighted potential boundary problems for some disorders (e.g., generalized anxiety disorder and major depressive disorder). Analyses of ADIS-IV-L clinical ratings (0-8 scales) indicated favorable interrater agreement for the dimensional features of DSM-IV anxiety and mood disorders. The findings are discussed in regard to their implications for the classification of emotional disorders.

Adult↗

Models of scientific progress and the role of theory in taxonomy development: a case study of the DSM.

The proliferation of categories in recent editions of the Diagnostic and Statistical Manual of Mental Disorders (e.g., 4th ed.; DSM; American Psychiatric Association, 1994) is discussed as an indication that the underlying classification scheme is inadequate and unlikely to produce the scientific progress originally envisioned. In any nosological system, it eventually becomes necessary to reduce the number of categories by an organizing theory that describes the fundamental principles underlying the taxonomy. The DSM has put itself in an awkward position by claiming to be atheoretical. Although taking such a tack had historical advantages to promote the acceptability of the 3rd edition of the DSM, it now limits the progression of science. It is argued that the DSM should not be used as the basis for guiding scientific research programs because it emphasizes primarily behavioral topography rather than providing an explicit theory that would allow for an evaluation of scientific progress. Theoretically driven taxonomies should be allowed to compete on the basis of how successful they are at achieving their specified goals that might include illuminating etiology, course, and response to treatment. Such systems are not likely to attend primarily to behavioral topography alone and would probably organize behavior differently than the current categorical syndromes seen in the 4th edition of the DSM.

Humans↗

A polydiagnostic study of depressive disorders according to DSM-IV and 23 classical diagnostic systems.

The classification of mood disorders is one of the most highly debated topics in modern psychiatry. The introduction of DSM-III (and its followers) has set a new standard in this controversy but little empirical evidence is available as to how the various classical diagnostic categories of mood disorders by Kraepelin, Schneider, Leonhard, Hamilton, Kielholz, Winokur and others compare with this new standard. The Intensive Prospective Study arm of the Group for Longitudinal Affective Disorders Study has studied a broad spectrum of mood disorders in 23 participating centres from all over Japan with a polydiagnostic semistructured interview called Comprehensive Assessment List of Affective disorders. In this paper we examined how the various classical diagnostic systems of depressive disorders correspond to the DSM-IV diagnoses, and found the following: (1) The classical 'neurotic' or 'psychogenic' depressions are diagnosed as major depression and not as dysthymia in DSM-IV; although dysthymia was dubbed as 'depressive neurosis' in DSM-III, its criteria were not true to the traditional usage of the term. Viewed from the other side of the coin, DSM-IV can be said to stand in the unitary tradition. (2) Some of the classical diagnostic categories such as Schneider's depressive psychopathy and Klein's acute dysphoria as well as modern ones such as Akiskal's subaffective dysthymia and Angst's recurrent brief depression were rarely seen in traditional psychiatric treatment settings. (3) Comparisons of the unique diagnostic systems such as those by Leonhard, Winokur and Berner warrant further studies on their validity.

Adult↗

Compatibility between ICD-9 and DSM-III classification of endogenous depression (melancholia).

The classification of depressive disorders (subtypes of Major Depressive Episode--MDE) according to DSM-III is different in many respects from the classification according to ICD-9; the relevance of both diagnostic systems necessitates the assessment of their compatibility. In a sample of 173 depressed inpatients, both diagnostic systems are applied independently and the relationship between affective psychosis (endogenous depression) (ICD-9) and subtypes of MDE (DSM-III) is investigated. The resulting low rate of agreement between endogenous depression (ICD-9) and MDE with melancholia (DSM-III) can be improved considerably by a modification of the diagnostic algorithms applied in DSM-III. Furthermore, by combining the subtype or criteria of melancholia (DSM-III) and characteristics of course (recurrence, bipolarity) the ICD-9 diagnosis of endogenous depression can be simulated.

Adult↗

DSM-IV diagnostic criteria for pathological gambling: reliability, validity, and classification accuracy.

The purpose of this study was to examine the reliability, validity, and classification accuracy of the DSM-IV diagnostic criteria for pathological gambling. Given the lack of a laboratory test to diagnose pathological gambling, two groups were recruited in order to test DSM-IV diagnostic classification accuracy, one which likely had the disorder and the other which likely did not have the disorder (121 men and women clients at a gambling treatment facility) (138 men and women selected at random from the Windsor, Ontario, community who had gambled in the past twelve months). The Gambling Behavior Interview was administered to both groups. The Gambling Behavior Interview was administered to both groups. The Gambling Behavior Interview includes items that measure the ten DSM-IV diagnostic criteria for pathological gambling as well as other gambling problem severity measures and scales that served as tests of convergent validity. The ten DSM-IV diagnostic criteria were found to exhibit satisfactory reliability, validity, and classification accuracy; however, lowering the cut score to four and using item weights yielded improved classification accuracy over the standard cut score of five. Some diagnostic criteria were found to have greater discriminatory power than other criteria. The results of this study suggest that the classification accuracy of DSM-IV diagnostic criteria can be improved upon with a lower cut score or using weighted criteria.

Adolescent↗

Nicotine dependence criteria of the DIS and DSM-III-R: a factor analysis.

This paper reports a factor analysis of the symptoms of nicotine dependence that were determined in an assessment of 821 current cigarette-smoking research volunteers, according to the Diagnostic and Statistical Manual of Mental Disorders, 3rd edition, revised (DSM-III-R) of the American Psychiatric Association as well as an analysis of a subset who unsuccessfully attempted to quit (n=636). In the total sample, two factors with eigenvalues greater than 1 accounted for 62.7% of the variance. When the factor analysis was repeated with the subset of research volunteers who unsuccessfully attempted to quit, only one DSM-III-R nicotine dependence symptom loaded on the second factor. This finding suggests that the two-factor structure found in this and a previous factor analysis study of the nicotine dependence segment of the DSM-III-R may be an artifact of the skipout pattern of the DSM-III-R, which assumes that smokers who have not attempted to quit have not experienced withdrawal symptoms or used tobacco to avoid these symptoms. Goodness-of-fit measures suggested that the two-factor structure is a better fit than the one-factor structure for both the total population and the subset who unsuccessfully attempted to quit or cut down. Our sample of current smokers who had not attempted to quit (n=185) was too small to permit factor analyses. Further work with other large samples from the general population of current smokers who have unsuccessfully attempted to quit as well as those who have not attempted to quit will enhance our understanding of the factor structure of the nicotine dependence segment of the DSM-III-R and clarify the effect of the skipout pattern on its factor structure.

Adolescent↗

Effects of diagnosis on treatment recommendations in chronic insomnia--a report from the APA/NIMH DSM-IV field trial.

The objective of this study was to determine whether sleep specialists and nonspecialists recommend different treatments for different insomnia diagnoses according to two different diagnostic classifications. Two hundred sixteen patients with chronic insomnia at five sites were each interviewed by two clinicians: one sleep specialist and one nonsleep specialist. All interviewers indicated diagnoses using the Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV); sleep specialists also indicated diagnoses according to the International Classification for Sleep Disorders (ICSD). Interviewers then indicated how strongly they would recommend each item in a standard list of treatment and diagnostic interventions for each patient. We examined differences in treatment recommendations among the six most common DSM-IV diagnoses assigned by sleep specialists at different sites (n = 192), among the six most common ICSD diagnoses assigned by sleep specialists at different sites (n = 153), and among the six most common DSM-IV diagnoses assigned by nonspecialists at different sites (n = 186). In each analysis, specific treatment and polysomnography recommendations differed significantly for different diagnoses, using either DSM-IV or ICSD criteria. Conversely, different diagnoses were associated with different rank orderings of specific treatment and diagnostic recommendations. Sleep specialist and nonspecialist interviewers each distinguished treatment recommendations among different diagnoses, but in general, nonspecialists more strongly recommended medications and relaxation treatments. Significant site-related differences in treatment recommendations also emerged. Differences in treatment recommendations support the distinction between different DSM-IV and ICSD diagnoses, although they do not provide formal validation. Site-related differences suggest a lack of consensus in how these disorders are conceptualized and treated.

Adolescent↗

Symptoms of DSM-III-R major depression in adolescence: evidence from an epidemiological survey.

OBJECTIVE: To examine the phenomenology of DSM-III-R major depression among adolescents diagnosed as "cases" in a community-based epidemiology study. METHOD: A representative sample (N = 1,710) of older adolescents from several Oregon communities were interviewed using structured diagnostic schedules and DSM-III-R criteria in two annual assessments. Although the focus was depression, diagnoses were made for most child and adolescent psychiatric disorders. RESULTS: Nearly 30% of the sample at baseline had at least one current symptom of DSM-III-R major depression, but only 2.6% received a diagnosis. The most prevalent symptoms at baseline were depressed mood, sleep, and thinking problems. For new, or incident cases, the most frequent symptoms involved depressed mood, anhedonia, and thinking problems. Among those adolescents who had experienced two episodes of major depression, there was low concordance across episodes for both diagnostic criteria and specific symptoms. Comparisons with six studies of adolescent patients indicate our community "cases" are phenomenologically very similar to clinical cases of major depression in treatment settings. CONCLUSIONS: The results presented, along with those from other studies of adults and children, provide strong evidence that DSM criteria for major depression are appropriate for adolescents. That is, DSM-III-R symptom criteria are manifested by both youths and adults, although the relative frequency of these criterion symptoms appear to be age-related.

Adolescent↗

Validity of DSM-IV subtypes of attention-deficit/hyperactivity disorder: a family study perspective.

OBJECTIVE: To test the hypothesis that the clinical severity of subtypes paralleled a gradient of familial severity. METHOD: One hundred forty children with attention-deficit/hyperactivity disorder (ADHD) and 120 normal control children and their biological relatives were studied: Because these data had been collected prior to the publication of DSM-IV, DSM-III-R symptoms were used to approximate DSM-IV subtypes using a method the authors had validated in prior work. RESULTS: The first prediction from the hypothesis was true: rates of ADHD among relatives of each subtype group were greater than rates among relatives of controls. But the second prediction did not hold: rates of ADHD were not significantly higher among relatives of combined-typed probands compared with relatives of other probands. The "gradient model" also predicted that subtypes would not "breed true" (i.e., the subtype of the relative would not be the same as that of the proband). The prediction of nonspecificity was refuted for the inattentive and combined subtypes, but hyperactive-impulsive ADHD was found almost exclusively among relatives of hyperactive-impulsive probands. CONCLUSIONS: Although the results are limited by some small subsamples along with the use of a DSM-III-R-ascertained sample, they provide little evidence for the idea that DSM-IV subtypes of ADHD correspond to familially distinct conditions. They also do not confirm the idea that the subtypes fall along a gradient of familial severity. Instead, they suggest that symptom differences among subtypes are due to nonfamilial, environmental causes.

Adolescent↗

Factor and latent class analysis of DSM-IVADHD symptoms in a school sample of Brazilian adolescents.

OBJECTIVE: To evaluate the validity of the multidimensional construct proposed by DSM-IV for the diagnosis of attention-deficit/hyperactivity disorder (ADHD) in a school sample of young Brazilian adolescents. METHOD: An instrument including all 18 DSM-IVADHD symptoms was administered to 1,013 students aged 12 to 14 years at 64 state schools by trained research assistants. Each symptom was rated on a Likert scale with five levels of severity (never, almost never, sometimes, frequently, and always). RESULTS: Using an exploratory factor analytic approach (principal components analysis), two factors were extracted. Factor I (hyperactivity-impulsivity) comprised eight DSM-IV hyperactive-impulsive symptoms with loadings > or =0.40. Factor II (inattention) included also eight DSM-IV symptoms of inattention. The two factors explained 34% of the total variance and had an interfactor correlation of 0.45. Latent class analysis demonstrated similar classes in males and females, but class structures were markedly different from previous analyses of parent report data. CONCLUSION: The findings support the appropriateness of the multidimensional construct introduced by DSM-IV in the diagnosis of ADHD in a different culture but emphasize the possible impact of different reporters on the results of structural model-testing.

Adolescent↗

Child and adolescent problems predict DSM-IV disorders in adulthood: a 14-year follow-up of a Dutch epidemiological sample.

OBJECTIVE: Few studies exist that examine continuities between child and adult psychopathology in unselected samples. This study prospectively examined the adult outcomes of psychopathology in an epidemiological sample of children and adolescents across a 14-year period. METHOD: In 1983, parent ratings of behavioral and emotional problems were obtained for 1,578 children and adolescents aged 4 through 16 years from the Dutch general population. At follow-up, 14 years later, subjects were reassessed with a standardized DSM-IV interview. RESULTS: High levels of childhood problems predicted an approximate 2- to 6-fold increased risk for adulthood DSM-IV diagnoses. The associations between specific childhood problems and adulthood diagnoses were complex. Social Problems in girls predicted later DSM-IV disorder. Rule-breaking behavior in boys predicted both mood disorders and disruptive disorders in adulthood. CONCLUSIONS: High levels of childhood behavioral and emotional problems are related to DSM-IV diagnoses in adulthood. The strongest predictor of disorders in adulthood was childhood rule-breaking behavior. Attention Problems did not predict any of the DSM-IV categories when adjusted for the associations with other Child Behavior Checklist scales.

Adolescent↗

Preschool major depressive disorder: preliminary validation for developmentally modified DSM-IV criteria.

OBJECTIVE: To investigate the validity of developmentally modified DSM-IV criteria for preschool major depressive disorder (MDD). METHOD: Subjects between the ages of 3.0 and 5.6 years were ascertained from community and clinical sites for a comprehensive assessment that included an age-appropriate psychiatric interview with the parent about the child. Minor developmental modifications to the formal DSM-IV MDD criteria were tested, including translations of symptoms to describe age-appropriate manifestations and setting aside the duration criterion. Preschool children who met modified criteria were compared with psychiatric and normal control groups. RESULTS: Validation for the modified criteria was supported by a specific and stable symptom constellation, social impairment, greater family histories of affective disorders, and higher child-reported symptoms of depression on an age-appropriate puppet interview. Preschool children with MDD displayed "typical" symptoms of depression, as well as vegetative signs. Standard DSM-IV criteria failed to capture 76% of children who met these modified criteria. CONCLUSIONS: Evidence that preschool children can manifest typical symptoms of MDD when age-adjusted symptoms states are assessed is provided. Findings also suggest that standard DSM-/V criteria may not be sufficiently sensitive for preschool children, as they failed to capture a substantial proportion of symptomatic children. Minor modifications to DSM-IV criteria are recommended to capture clinically significant preschool MDD.

Child, Preschool↗