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Articles by N. A Sampson
Total Records ( 3 ) for N. A Sampson
  S Seedat , K. M Scott , M. C Angermeyer , P Berglund , E. J Bromet , T. S Brugha , K Demyttenaere , G de Girolamo , J. M Haro , R Jin , E. G Karam , V Kovess Masfety , D Levinson , M. E Medina Mora , Y Ono , J Ormel , B. E Pennell , J Posada Villa , N. A Sampson , D Williams and R. C. Kessler
 

Context  Gender differences in mental disorders, including more anxiety and mood disorders among women and more externalizing disorders among men, are found consistently in epidemiological surveys. The gender roles hypothesis suggests that these differences narrow as the roles of women and men become more equal.

Objectives  To study time-space (cohort-country) variation in gender differences in lifetime DSM-IV mental disorders across cohorts in 15 countries in the World Health Organization World Mental Health Survey Initiative and to determine if this variation is significantly related to time-space variation in female gender role traditionality as measured by aggregate patterns of female education, employment, marital timing, and use of birth control.

Design  Face-to-face household surveys.

Setting  Africa, the Americas, Asia, Europe, the Middle East, and the Pacific.

Participants  Community-dwelling adults (N = 72 933).

Main Outcome Measures  The World Health Organization Composite International Diagnostic Interview assessed lifetime prevalence and age at onset of 18 DSM-IV anxiety, mood, externalizing, and substance disorders. Survival analyses estimated time-space variation in female to male odds ratios of these disorders across cohorts defined by the following age ranges: 18 to 34, 35 to 49, 50 to 64, and 65 years and older. Structural equation analysis examined predictive effects of variation in gender role traditionality on these odds ratios.

Results  In all cohorts and countries, women had more anxiety and mood disorders than men, and men had more externalizing and substance disorders than women. Although gender differences were generally consistent across cohorts, significant narrowing was found in recent cohorts for major depressive disorder and substance disorders. This narrowing was significantly related to temporal (major depressive disorder) and spatial (substance disorders) variation in gender role traditionality.

Conclusions  While gender differences in most lifetime mental disorders were fairly stable over the time-space units studied, substantial intercohort narrowing of differences in major depression was found to be related to changes in the traditionality of female gender roles. Additional research is needed to understand why this temporal narrowing was confined to major depression.

  R. C Kessler , J. G Green , L. A Adler , R. A Barkley , S Chatterji , S. V Faraone , M Finkelman , L. L Greenhill , M. J Gruber , M Jewell , L. J Russo , N. A Sampson and D. L. Van Brunt
 

Context  Controversy exists about the appropriate criteria for a diagnosis of adult attention-deficit/hyperactivity disorder (ADHD).

Objective  To examine the structure and symptoms most predictive of DSM-IV adult ADHD.

Design  The data are from clinical interviews in enriched subsamples of the National Comorbidity Survey Replication (n = 131) and a survey of a large managed health care plan (n = 214). The physician-administered Adult ADHD Clinical Diagnostic Scale (ACDS) was used to assess childhood ADHD and expanded symptoms of current adult ADHD. Analyses examined the stability of symptoms from childhood to adulthood, the structure of adult ADHD, and the adult symptoms most predictive of current clinical diagnoses.

Setting  The ACDS was administered telephonically by clinical research interviewers with extensive experience in the diagnosis and treatment of adult ADHD.

Participants  An enriched sample of community respondents.

Main Outcome Measure  Diagnoses of DSM-IV /ACDS adult ADHD.

Results  Almost half of the respondents (45.7%) who had childhood ADHD continued to meet the full DSM-IV criteria for current adult ADHD, with 94.9% of these patients having current attention-deficit disorder and 34.6% having current hyperactivity disorder. Adult persistence was much greater for inattention than for hyperactivity/impulsivity. Additional respondents met the full criteria for current adult ADHD despite not having met the full childhood criteria. A 3-factor structure of adult symptoms included executive functioning (EF), inattention/hyperactivity, and impulsivity. Stepwise logistic regression found EF problems to be the most consistent and discriminating predictors of adult DSM-IV /ACDS ADHD.

Conclusions  These findings document the greater persistence of inattentive than of hyperactive/impulsive childhood symptoms of ADHD in adulthood but also show that inattention is not specific to ADHD because it is strongly associated with other adult mental disorders. In comparison, EF problems are more specific and consistently important predictors of DSM-IV adult ADHD despite not being in the DSM-IV, suggesting that the number of EF symptoms should be increased in the DSM-V/ICD-11.

  R. C Kessler , K. A McLaughlin , J. G Green , M. J Gruber , N. A Sampson , A. M Zaslavsky , S Aguilar Gaxiola , A. O Alhamzawi , J Alonso , M Angermeyer , C Benjet , E Bromet , S Chatterji , G de Girolamo , K Demyttenaere , J Fayyad , S Florescu , G Gal , O Gureje , J. M Haro , C. y Hu , E. G Karam , N Kawakami , S Lee , J. P Lepine , J Ormel , J Posada Villa , R Sagar , A Tsang , T. B Ustun , S Vassilev , M. C Viana and D. R. Williams
 

Background

Although significant associations of childhood adversities with adult mental disorders are widely documented, most studies focus on single childhood adversities predicting single disorders.

Aims

To examine joint associations of 12 childhood adversities with first onset of 20 DSM–IV disorders in World Mental Health (WMH) Surveys in 21 countries.

Method

Nationally or regionally representative surveys of 51 945 adults assessed childhood adversities and lifetime DSM–IV disorders with the WHO Composite International Diagnostic Interview (CIDI).

Results

Childhood adversities were highly prevalent and interrelated. Childhood adversities associated with maladaptive family functioning (e.g. parental mental illness, child abuse, neglect) were the strongest predictors of disorders. Co-occurring childhood adversities associated with maladaptive family functioning had significant subadditive predictive associations and little specificity across disorders. Childhood adversities account for 29.8% of all disorders across countries.

Conclusions

Childhood adversities have strong associations with all classes of disorders at all life-course stages in all groups of WMH countries. Long-term associations imply the existence of as-yet undetermined mediators.

 
 
 
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