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PubMed1988

Age and recognition of depression: implications for a cohort effect in major depression.

Studies relying on subjects' retrospective reports have recently been interpreted as indicating that individuals born since World War II are at increased risk for a diagnosis of lifetime major depression. Examining the validity of this 'cohort effect' is essential, given the potential importance of such a phenomenon for research and policy. Among a number of artefactual explanations for the cohort effect is the possibility that older individuals are less likely to recognize depression as a mental disorder, and hence are less likely to remember depressive episodes as such, or to report these episodes in interviews on mental health. To test whether age was related to the recognition of major depression as a mental problem, we analysed responses from 152 randomly selected community residents on whether a vignette describing DSM-III major depression represented a psychological or emotional problem. Older respondents were much less likely to characterize major depression this way, even controlling for other factors. Such an age effect may provide a partial explanation for the apparent cohort effect, although the issue is complex and further research is needed.

Adult↗
PubMed1992

The relationship between depression and anxiety: construction of a prototypical anxiety and depression scale.

The question of the relationship between anxiety and depression remains to be solved. The fact that clinical pictures show substantial overlap makes it difficult, using conventional instruments, to distinguish between the co-occurrence of anxiety and depression and overlap in definitions and measurement of the two syndromes. This calls for the construction of scales which exclude symptoms common to both syndromes and incorporate symptoms specific only to anxiety or only to depression; i.e. scales with maximum discriminant validity. This article describes the construction of two such scales based on PSE symptoms; a prototypical anxiety scale and a prototypical depression scale. In a sample of 134 non-psychotic psychiatric out-patients these scales show good reliability and validity, both as a measure of severity and as a screening device. Compared to the Hamilton anxiety and depression scales (HARS and HRSD), the correlation between the prototypical anxiety and depression scales is low.

Adult↗
PubMed1992

Parental representations of melancholic and non-melancholic depressives: examining for specificity to depressive type and for evidence of additive effects.

Several studies have suggested that 'anomalous parenting', as measured by the Parental Bonding Instrument (PBI), may be a differential risk factor to subsequent depression in adulthood--being irrelevant to melancholia but over-represented in non-melancholic depressive disorders. Such a 'specificity' effect is confirmed in our current sample of 65 melancholic and 84 non-melancholic depressed patients. Secondly, we examine the risk to depression effected by exposure to one parent with an anomalous parental style, and the extent to which that risk is modified by characteristics of the other parent. We find clear evidence of additive effects with the risk to non-melancholic depression being raised by exposure to 'anomalous parenting' from two parents. Of the varying parental styles measured by the PBI, low parental care from both parents provided the highest risk to non-melancholic depression (being 4-7 time higher in one sample and 13-27 times higher in the other).

Depressive Disorder↗
PubMed1998

Adrenal steroid secretion and major depression in 8- to 16-year-olds, III. Influence of cortisol/DHEA ratio at presentation on subsequent rates of disappointing life events and persistent major depression.

BACKGROUND: An investigation of the association between diurnal changes in cortisol and DHEA levels, or in the cortisol/DHEA ratio at five different time points at presentation, and the occurrence of undesirable life events (losses, dangers to self and others, disappointments) during follow-up, and the outcome of major depression at 36 weeks were investigated. METHODS: Psychosocial and endocrine assessment of a consecutive cohort (N = 68) of 8- to 16-year-old subjects with first episode major depression reassessed 12 months after presentation using a repeat measures design. RESULTS: Higher cortisol/DHEA ratios at 20.00 or 24.00 h predicted persistent major depression. Basal levels of either hormone alone or cortisol/DHEA ratios at the other three time points (08.00, 12.00 or 16.00 h) did not. High cortisol/DHEA ratios (i.e. values greater than the 60th percentile) at both evening points (20.00 and 24.00 h) also predicted the occurrence of subsequent disappointing life events but no other category of undesirable event. Both high evening cortisol/DHEA ratio at 20.00 h and one or more severely disappointing life events between presentation and follow-up predicted persistent major depression: 86% of subjects with both of these factors were still depressed at 36 weeks whereas 81% with neither factor were not. CONCLUSIONS: The finding that it is depressed subjects with high cortisol/DHEA ratios at presentation who are specifically at risk for subsequent disappointing life events suggests a putative role for these adrenal steroids in abnormal cognitive or emotional processes associated with disturbed interpersonal behaviour.

Adolescent↗
PubMed2004

Anorexia and depression: depressive comorbidity in anorexic adolescents.

Frequently, depression is a concomitant pathology in anorexia nervosa. To verify this, we carried out a comparative case/control study with 50 anorexic patients, restricting-type (ANP), 50 depressed patients (DP) and 50 non-patients (NP), aged between 13 and 16. We used the Rorschach Test and the Minnesota Multiphasic Personality Inventory (MMPI) and compared the results to parent's observations collected from the Achenbach Child Behavior Checklist (CBCL). Results showed two clearly different groups among participants: ANP with depression (36%) and ANP without depression (64%). This seems to indicate that depression is not a core element in anorexic disorders. However, we also observed a significant increase in the MMPI scale 2, which was probably related to starvation and weight loss. We confirmed the absence of general anxiety in the ANP group and obtained differences between depressive symptoms and those derived from coping deficit disorders. The discussion emphasizes the importance of using several tests to reduce bias in results and conclusions.

Adaptation, Psychological↗
PubMed1995

Personal and psychosocial risk factors for physical and mental health outcomes and course of depression among depressed patients.

This article focuses on personal and psychosocial factors to identify those that predict change in functioning and well-being and clinical course of depression in depressed outpatients over time. Data from 604 depressed patients in The Medical Outcomes Study showed improvements in measures of functioning and well-being associated with patients who were employed, drank less alcohol, and had active coping styles. Better clinical course of depression was associated with patients who had high levels of social support, who had more active and less avoidant coping styles, who were physically active, and who had fewer comorbid chronic conditions. Findings provide some guidance as to what can be done to improve depressed patients' levels of physical and mental health and affect the clinical course of depression.

Adaptation, Psychological↗
PubMed1998

Unmasking a cognitive vulnerability to depression: how lapses in mental control reveal depressive thinking.

This research tested the idea that a cognitive vulnerability to depression can be concealed by thought suppression and revealed when cognitive demands undermine mental control. Depressive, at-risk, and nondepressive participants unscrambled sentences that could from either positive or depressive statements. Half of the participants also received a cognitive load. The results indicated that without a load, at-risk participants showed little evidence of depressive thinking, producing a similar rate of positive statements as did nondepressive individuals and a lower percentage of negative statements than did depressive participants. However, the cognitive load caused an increase in at-risk participants' production of negative statements, revealing a previously undetected tendency toward negative thinking that made them resemble depressive participants. As predicted, this effect was especially pronounced among individuals who routinely engaged in thought suppression.

Adult↗
PubMed2005

Association of parental depression with psychiatric course from adolescence to young adulthood among formerly depressed individuals.

The authors examined whether parental major depressive disorder (MDD) is associated with course of depression and other psychopathology among formerly depressed adolescents as they enter adulthood. The sample consisted of 244 individuals (age 24) in a longitudinal study who had experienced MDD by 19. Maternal MDD was associated with MDD recurrence, chronicity and severity, anxiety disorders, and (among sons only) lower psychosocial functioning in offspring between the ages of 19 and 24. Paternal MDD was associated with lower functioning. Sons of depressed fathers had elevated suicidal ideation and attempt rates in young adulthood. Recurrent paternal MDD was associated with depression recurrence in daughters but not sons. The impact of parental MDD on offspring could not be attributed to characteristics of the offspring's depression prior to age 19.

Adolescent↗
PubMed2005

Daily depression and cognitions about stress: evidence for a traitlike depressogenic cognitive style and the prediction of depressive symptoms in a prospective daily diary study.

The authors examined the stability and dynamic structure of negative cognitions made to naturalistic stressors and the prediction of depressive symptoms in a daily diary study. Young adults reported on dispositional depression vulnerabilities at baseline, including a depressogenic cognitive style, dysfunctional attitudes, rumination, neuroticism, and initial depression, and then completed short diaries recording the inferences they made to the most negative event of the day along with their experience of depressive symptoms every day for 35 consecutive days. Daily cognitions about stressors exhibited moderate stability across time. A traitlike model, rather than a contextual one, explained this pattern of stability best. Hierarchical linear modeling analyses showed that individuals' dispositional depressogenic cognitive style, neuroticism, and their daily negative cognitions about stressors predicted fluctuations in daily depressive symptoms. Dispositional neuroticism and negative cognitive style interacted with daily negative cognitions in different ways to predict daily depressive symptoms.

Adolescent↗
PubMed2006

Depression in adolescent obesity: cultural moderators of the association between obesity and depressive symptoms.

OBJECTIVE: Community studies relating depression to obesity in adolescents have generated inconsistent results. It has been argued that the variability in findings is due to effect modification by demographic characteristics that vary across samples. The aim of this study was to test the hypothesis that the strength of the obesity-depression association is moderated by gender, ethnicity and socioeconomic status (SES). RESEARCH METHODS AND PROCEDURES: Data were from two large, school-based, studies of adolescent health and well-being (n=4320; n=1824). Students completed one of two measures of depressive symptoms (SDQ; CES-D) in school and were weighed and measured. Gender and ethnicity were self-reported and SES was indexed by residential neighbourhood characteristics or individual family deprivation. RESULTS: There was barely any association between obesity and depressive symptoms in either sample. There was also no evidence that obese participants who were female, white or from higher SES backgrounds were especially vulnerable to depressive symptoms. DISCUSSION: The results indicate that in community samples of adolescents, regardless of gender, SES or ethnicity, reports of depressive symptoms are not significantly higher in obese than normal-weight groups. The results are discussed in terms of obese adolescents' resilience in the face of multiple social adversities.

Adolescent↗
PubMed2002

Screening for depression in a hepatitis C population: the reliability and validity of the Center for Epidemiologic Studies Depression Scale (CES-D).

RATIONALE: Depression is reported as a serious adverse event of antiviral therapy used to treat patients with hepatitis C (HCV); therefore, there is a need to identify a reliable and valid measure of depressive symptoms for this population. AIMS: To determine reliability, construct validity and predictive validity of the Center for Epidemiological Studies Depression Scale (CES-D) in a hepatitis C (HCV) population. ETHICAL ISSUES: Study reviewed/approved by the University Institutional Review Board and informed consent obtained. METHODS: Longitudinal design testing psychometric properties of the CES-D prior to treatment and 4 and 24 weeks postinitiation of treatment. Reliability was tested using Cronbach's coefficient alpha. Construct validity was tested, prior to therapy, using principal components factoring with varimax rotation. Predictive validity was tested using repeated measures analysis of variance (anova) of CES-D scores at 4 and 24 weeks postinitiation of treatment. RESULTS: Non-probability sample, 116 adult HCV patients [62 (53%) males and 54 (47%) females]. Reliability (Cronbach's alpha) = 0.88 pretreatment, 0.89 week 4 and 0.90 week 24. Construct validity testing revealed four factors: negative affect; positive affect; somatic; and depressed affect/somatic. Exception for two items, 'felt sad' and 'couldn't get going', all items loaded distinctly with correlation coefficients in the range of 0.51-0.84. Predictive validity testing revealed a statistically significant effect over time (P < 0.001) in the direction predicted (pretreatment x = 13.97; post 4 weeks x = 19.54 and 24 weeks x = 19.97). CONCLUSIONS: The CES-D is a reliable and valid instrument to screen for depressive symptoms in HCV patients. The instrument detected the predicted increase in depression associated with HCV. Examination of the sensitivity and specificity is needed to determine the most accurate cut-off score.

Adult↗
PubMed2001

School refusal and depression with school inattendance in children and adolescents: comparative assessment between the Children's Depression Inventory and somatic complaints.

School refusal has become a relatively common problem of increasing magnitude in Japan. Although clarification of the relationship between 'school refusal' and 'depression with school inattendance' is crucial in light of the difference in treatment modalities involved, it is not clear whether the two are to be regarded along the same tangent or as disparate entities. For clarification, a comparison was made between clinical diagnosis, Children's Depression Inventory (CDI) scores, and scores for the three subordinate scales of the CDI in 34 cases of school refusal, 10 cases of depression with school inattendance, and normal students. Significant difference in CDI score was noted between the three groups: highest among depression cases, followed by school refusers, and lowest in normal students. A larger proportion of school refusers expressed somatic complaints together with low CDI scores. The typical case of school refusal appears to exhibit somatic complaints in the foreground rather than depression, both clinical characteristics and CDI scores indicate school refusal and depression to be separate entities. Although many approaches are being taken in the treatment of school refusal, the results appear to justify primacy of the psychotherapeutic approach with the possible adjuvant use of pharmacological agents, for the phenomenon as it presents in Japan.

Adolescent↗
PubMed2003

Childhood parental separation experiences and depressive symptomatology in acute major depression.

The aim of this study was to examine the pathoplastic effects of childhood parental separation experiences on depressive symptoms. Patients with acute major depression were identified in a large 31-center study of affective disorders in Japan. Information regarding the patients' childhood losses was collected using a semistructured interview, and their depressive symptomatology was assessed by the Center for Epidemiologic Studies Depression Scale (CES-D). Patients reported significantly higher CES-D total scores when they had experienced early object loss of the same-sex parent. In terms of the CES-D subscores derived by factor analysis, early object loss significantly aggravated symptoms that people normally could cope with but could no longer cope with when depressed (e.g. 'poor appetite', 'cannot shake off the blues' and 'everything an effort.'). Once depression develops, early object loss may act as a pathoplastic factor by making it severer especially by rendering people less able to perform what they normally could do.

Acute Disease↗
PubMed2002

[Locomotion and depression. Clinical and physiological aspects of gait alterations in Parkinson's disease and major depression].

BACKGROUND: Behavioral disturbances of patients with major depression manifest in various motor domains and are relevant for differential diagnosis, therapeutic interventions, as residual symptoms and possibly early manifestation of Parkinson's disease. Alterations of gait as the main component of locomotion are a clinically well-known motor phenomenon of depressed patients. Therefore, pathophysiology of gait disturbances, different methods to analyze gait and empirical findings in patients with major depression are summarized. METHODS: The current literature was examined including information of manufacturers, Medline, PubMed, PsychLIT and Excerpta Medica. Findings in healthy subjects, in Parkinson's disease, and in major depression are discussed in detail regarding specificity and clinical relevance. RESULTS: Kinematic analysis of gait regulation by videography, ultrasound, opto-electronic measures reveals information about disturbances in central nervous motor programming. Only few studies exist about quantitative data of gait alterations in patients with major depression. Results indicate disturbances in functions of the basal ganglia. CONCLUSIONS: Analysis of gait using modern technology yields information about cortical and subcortical dysfunctions. Empirical findings in major depression need further investigation regarding their relevance as residual symptoms, as response predictors, and as risk factors for manifestation of Parkinson's disease.

Basal Ganglia↗
PubMed2001

Depressive cognition: a test of depressive realism versus negativity using general knowledge questions.

This research is an examination of whether cognition in depressed individuals incorporates a realistic view of the world or a general tendency toward negativity. Participants provided two types of probability judgments of the likelihood that they correctly answered general knowledge questions: the probability that they correctly answered each of the individual questions and an aggregate judgment, after completing the questionnaire, of the percentage of all the questions they thought they had correctly answered. These tasks generally elicit overconfidence and accuracy in nondepressives. In accord with theories of both depressive realism and general negativity, in their item-by-item assessments of their answers to the individual questions, depressed participants demonstrated less overconfidence than nondepressed participants. In accord with the theory of general negativity but not with the theory of depressive realism, however, depressed participants demonstrated underconfidence in their aggregate judgments. The implications of these findings on theories of depressive cognition are discussed.

Cognition↗
PubMed2006

Validation of the Edinburgh Postnatal Depression Scale as a screening tool for depression in late pregnancy among Nigerian women.

This study aimed to examine the validity of the Edinburgh Postnatal Depression Scale (EPDS) as a screening tool for depression in late pregnancy among Nigerian women. A total of 182 women in late pregnancy (32-36 weeks) completed either the English or the translated Yoruba language version of the EPDS and a proportion of them were then assessed for the presence of DSM-IV major and minor depressive disorders using the MINI International Neuropsychiatric Interview. A cut-off score of 10 on the EPDS was found to be the best for screening for both major and minor depression (sensitivity = 0.867, specificity = 0.915, Diagnostic Likelihood Ratio for a positive result = 10.200). When screening for major depression only, a cut-off of 12 was found to the most appropriate (sensitivity = 1.000, specificity = 0.961, Diagnostic Likelihood Ratio for a positive result = 25.641). The EPDS is a valid and useful instrument in screening for depression in late pregnancy among Nigerian women.

Adult↗
PubMed2004

Is the Beck Depression Inventory suitable for screening major depression in different phases of the disease?

This prospective study aimed to assess the suitability of the 21-item Beck Depression Inventory (BDI-21) as a screening method for current episodes of major depressive disorder in different phases of the disease. In a sample of treatment-seeking outpatients (n=125), a structured interview method (SCID) was used twice with a 2-year interval to screen whether the patient had a current episode of major depressive disorder. The validity of the BDI-21 was also analysed by means of receiver operating characteristic (ROC) curves. The results showed that with a cut-off point of 14/15 the BDI-21 can be used to indicate the presence of a major depressive episode regardless of the phase of the major depressive disorder. The sensitivity and specificity were quite satisfactory with this cut-off point. The areas under the ROC curves were large (0.81 at baseline and 0.93 at follow-up). The same BDI-21 cut-off point is suitable for screening major depression among outpatients in any phase of the disease.

Adult↗
PubMed2004

Can we reduce the burden of depression? The Australian experience with beyondblue: the national depression initiative.

OBJECTIVE: Throughout the Asia Pacific region, there is an urgent need to reduce the burden of depression by increasing depression awareness, reducing stigma and dismantling those social barriers that prevent full participation by people with depression. This paper describes the development and early achievements of the Australian depression initiative, beyondblue. METHODS: A review of the key priorities of beyondblue and their impacts during the first three years of operation (2001-03). RESULTS: Key achievements include: the degree of national recognition of beyondblue; size and scope of media impact; growth in website utilisation; increased reporting of the community's recognition of people with depression; genuine reforms in life insurance and income protection; development of a new national consumer and carer organisation; establishment of major population-based preventative and early intervention programs; system-wide reform of primary care-based mental health services; national educational program uptake by general practitioners; and, development of key awareness and intervention programs for use in schools and the workplace. CONCLUSIONS: In its first three years of operation, beyondblue has had a major impact on depression awareness in Australia and demonstrable gains have been made in reducing stigma and major social barriers. A pre-existing national mental health policy and implementation plan, a substantial funding base and participation by key political, media and community leaders have been essential elements of its short-term success. Its longer-term impact will now depend on more sustainable community and business partnerships as well as the growth of a more influential consumer and carer voice.

Australia↗