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Träfflista för sökning "WFRF:(Ruchkin Vladislav) srt2:(2005-2009)"

Sökning: WFRF:(Ruchkin Vladislav) > (2005-2009)

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1.
  • Caminis, Argyro, et al. (författare)
  • Psychosocial predictors of sexual initiation and high-risk sexual behaviors in early adolescence.
  • 2007
  • Ingår i: Child and Adolescent Psychiatry and Mental Health. - : Springer Science and Business Media LLC. - 1753-2000. ; 1:1, s. 14-
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: This longitudinal study examined psychosocial factors associated with risky sexual behavior in early adolescence.METHODS: Data were collected through a self-report survey, the Social and Health Assessment (SAHA), which was administered in three waves between 2001 and 2003 to a cohort of incoming sixth grade students in the public school system (149 classes at 17 middle and high schools, N = 1,175) of a small northeastern city in the United States.We first examined whether internalizing and externalizing problems in sixth grade, and the rate of change in these factors during middle school, were predictive of sexual initiation two years later, when most of the sample was in eighth grade. We then assessed whether internalizing and externalizing problems in sixth grade, and the rate of change in these factors during middle school, were predictive of engaging in high risk sexual behavior over the subsequent two years.RESULTS: Externalizing factors are more predictive of sexual risk in early adolescence than are internalizing factors. Specifically, substance use and violent delinquency over the course of middle school were associated with higher, while anxiety with lower, sexual initiation rates during middle school. Additionally, increased substance use over the course of middle school was associated with greater likelihood of engaging in high risk sexual behavior.CONCLUSION: By identifying particular psychosocial risk factors among young adolescents, the findings of this study have implications for designing multi-dimensional programs aimed at preventing health-compromising sexual behavior among young teens.
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2.
  • Frey, Ariel, et al. (författare)
  • Adolescents in transition : school and family characteristics in the development of violent behaviors entering high school.
  • 2009
  • Ingår i: Child Psychiatry and Human Development. - : Springer Science and Business Media LLC. - 0009-398X .- 1573-3327. ; 40:1, s. 1-13
  • Tidskriftsartikel (refereegranskat)abstract
    • Adolescents are vulnerable to becoming involved in problematic behaviors, disengaging academically, and dropping out of school. This study was designed to evaluate the protective role of self-perceived school attachment and family involvement on the development of these negative behaviors during adolescence. The Social and Health Assessment (SAHA) survey was conducted among 652 predominantly minority, inner-city adolescents during their transition from middle to high school in order to examine school attachment, perceived teacher support, parental control, and exposure to community violence as predictors of engagement in violent activities, development of aggressive beliefs, perception of school climate, and academic motivation one year later. Family and school factors appeared to be differentially associated with the negative outcomes. School attachment was associated with lower levels of violent delinquency and aggressive beliefs, as well as with academic motivation. Perceived teacher support was associated with positive perceptions of school climate and with academic motivation. Parental control was associated with lower levels of violent activity and with higher levels of academic motivation. Violence exposure was related to violent delinquency and negative perception of school climate. School attachment, teacher support, parental control, and violence exposure must all be incorporated into school reform efforts intended to break the inner city cycle of violence.
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3.
  • Grigorenko, Elena L., et al. (författare)
  • Exploring interactive effects on genes and environments in etiology of individual differences in reading comprehension
  • 2007
  • Ingår i: Development and Psychopathology. - 0954-5794 .- 1469-2198. ; 19:4, s. 1089-1103
  • Tidskriftsartikel (refereegranskat)abstract
    • It is established that reading and reading-related processes are heritable; genes thus play an important role in the foundation of individual differences in reading. In this article, we focus on one facet of reading–comprehension. Comprehension is a higher order cognitive skill that requires many other cognitive processes for it to unfold completely and successfully. One such process is executive functioning, which has been associated with genetic variation in the catechol-O-methyltransferase (COMT) gene. Genotypes and haplotypes of four single nucleotide polymorphisms in COMT were investigated in 179 incarcerated adolescent delinquents. Four hierarchical logistic regression models predicting the presence/absence of comprehension difficulties were fitted to the data; genetic variation in COMT and the presence/absence of maternal rejection were investigated as main effects and as effects acting interactively. Three out of four interaction terms were found to be important predictors of individual differences in comprehension. These findings were supported by the results of the haplotype analyses, in which the four investigated polymorphisms were considered simultaneously.
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4.
  • Haeffel, Gerald J., et al. (författare)
  • Association Between Polymorphisms in the Dopamine Transporter Gene and Depression : Evidence for a Gene-Environment Interaction in a Sample of Juvenile Detainees
  • 2008
  • Ingår i: Psychological Science. - : SAGE Publications. - 0956-7976 .- 1467-9280. ; 19:1, s. 62-69
  • Tidskriftsartikel (refereegranskat)abstract
    • Previous research has generated examples of how genetic and environmental factors can interact to create risk for psychopathology. Using a gene-by-environment (G × E) interaction design, we tested whether three polymorphisms in the dopamine transporter gene (DAT1, also referred to as SLC6A3, located at 5p15.33) interacted with maternal parenting style to predict first-onset episodes of depression. Participants were male adolescents (N= 176) recruited from a juvenile detention center in northern Russia. As hypothesized, one of the polymorphisms (rs40184) moderated the effect of perceived maternal rejection on the onset of major depressive disorder, as well as on suicidal ideation. Further, this G × E interaction was specific to depression; it did not predict clinically significant anxiety. These results highlight the need for further research investigating the moderating effects of dopaminergic genes on depression.
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5.
  • Koposov, Roman A, et al. (författare)
  • Alcohol abuse in Russian delinquent adolescents. Associations with comorbid psychopathology, personality and parenting.
  • 2005
  • Ingår i: European Child and Adolescent Psychiatry. - : Springer Science and Business Media LLC. - 1018-8827 .- 1435-165X. ; 14:5, s. 254-61
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: Adolescent delinquency and alcohol abuse have become a growing concern in Russia. Psychopathology, a dysfunctional family and specific personality factors have all been linked to addictive and antisocial behavior. Since delinquent youth represent a specific risk group, where alcohol misuse tends to be more pronounced than in the general population, the objectives of this study were: 1) to compare differences in personality and parenting factors, and in psychopathology in juvenile delinquents with and without alcohol abuse; and 2) to evaluate the associations between alcohol abuse, personality and parenting factors, after controlling for comorbid psychopathology.METHODS: Psychopathology, including alcohol abuse, was assessed by means of a psychiatric interview in 229 Russian incarcerated male juvenile delinquents. In addition, alcohol use, personality, and parenting factors were assessed by self-reports.RESULTS: Alcohol-abusing delinquents (n=138) scored significantly higher on novelty seeking and maternal emotional warmth and reported higher levels of psychopathology, as compared to nonalcohol-abusing delinquents (n=91). Logistic regression analysis demonstrated that personality and parenting factors were significantly related to alcohol abuse, even after controlling for comorbid psychopathology.CONCLUSION: Alcohol-abusing delinquents are at risk for a wide spectrum of psychiatric disorders. Alcohol abuse is associated with personality and parenting factors independently of comorbid psychopathology. Early interventions with high-risk youths may help to reduce their psychiatric problems and alcohol abuse.
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6.
  • Koposov, Roman A, et al. (författare)
  • Alcohol expectancies in relation to personality and aggression among juvenile delinquents in Northern Russia.
  • 2005
  • Ingår i: Journal of Drug Education. - 0047-2379 .- 1541-4159. ; 35:2, s. 111-30
  • Tidskriftsartikel (refereegranskat)abstract
    • The relationships between alcohol expectancies, level of alcohol use, alcohol-related problems, aggression, and personality factors in 198 Russian male juvenile delinquents were assessed. A clustering procedure was used in order to establish main patterns of alcohol expectancies, yielding three major clusters. Level of alcohol use, alcohol-related problems, aggression, and personality factors were compared across the identified clusters. It was established that juvenile delinquents with a high level of positive alcohol expectancies and aggression represented a risk-group for higher involvement in drinking behavior as well as problem drinking, which in turn are related to specific personality traits. Implications of these findings for alcohol prevention among the youth are discussed.
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7.
  • Långström, Niklas, et al. (författare)
  • Risk factors for violent offending in autism spectrum disorder : a national study of hospitalized individuals.
  • 2009
  • Ingår i: Journal of Interpersonal Violence. - : SAGE Publications. - 0886-2605 .- 1552-6518. ; 24:8, s. 1358-70
  • Tidskriftsartikel (refereegranskat)abstract
    • Little is known about risk factors for violence among individuals with autism spectrum disorder (ASD). This study uses data from Swedish longitudinal registers for all 422 individuals hospitalized with autistic disorder or Asperger syndrome during 1988-2000 and compares those committing violent or sexual offenses with those who did not. Thirty-one individuals with ASD (7%) were convicted of violent nonsexual crimes and two of sexual offenses. Violent individuals with ASD are more often male and diagnosed with Asperger syndrome rather than autistic disorder. Furthermore, comorbid psychotic and substance use disorders are associated with violent offending. We conclude that violent offending in ASD is related to similar co-occurring psychopathology as previously found among violent individuals without ASD. Although this study does not answer whether ASDs are associated with increased risk of violent offending compared with the general population, careful risk assessment and management may be indicated for some individuals with Asperger syndrome.
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8.
  • Martin, Andrés, et al. (författare)
  • Early to bed : a study of adaptation among sexually active urban adolescent girls younger than age sixteen.
  • 2005
  • Ingår i: Journal of the American Academy of Child and Adolescent Psychiatry. - : Elsevier BV. - 0890-8567 .- 1527-5418. ; 44:4, s. 358-67
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To examine the association between sexual activity among urban adolescent girls and four global measures of psychosocial adaptation (academic motivation, school achievement, depressive symptoms, and expectations about the future).METHOD: Data derived from the Social and Health Assessment, a self-report survey administered in 1998 to students in the public school system in New Haven, CT (149 classes at 17 middle and high schools).RESULTS: Of 1,413 respondents (57% black, 28% Hispanic; mean age 13.4 +/- 1.7 years), 414 (29%) acknowledged prior sexual intercourse; the proportions of sexually active girls in 6th, 8th, and 10th grades were 14%, 30%, and 50%, respectively. In multivariate analyses of covariance, sexual activity was significantly associated with all four measures of psychosocial adaptation (p < .001). Other correlates of at least one measure of maladaptation included socioeconomic status, sensation seeking, and lower school grade (p < .001 for each), peer pressure (p < .01), and black ethnicity, and the interaction of sexual activity by lower school grade (p < .05 for each).CONCLUSIONS: Compared with their sexually naive peers, sexually active adolescent girls had lower scores on global measures of psychosocial adaptation. These findings have clinical, policy, and research relevance to a vulnerable population at high risk of teenage pregnancy and sexually transmitted diseases.
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9.
  • O'Donnell, Deborah A, et al. (författare)
  • The mediating role of alienation in the development of maladjustment in youth exposed to community violence.
  • 2006
  • Ingår i: Development and psychopathology (Print). - 0954-5794 .- 1469-2198. ; 18:1, s. 215-32
  • Tidskriftsartikel (refereegranskat)abstract
    • A study was conducted to determine predictors of high risk/delinquent behavior and psychoemotional maladjustment in 1,478 sixth and eighth graders who took part in a survey of high-risk and adaptive behaviors. The first goal was to determine the extent to which two distinct dimensions of alienation, normlessness, and isolation/self-estrangement mediated the emergence of maladjustment in youth exposed to community violence. The second goal was to distinguish between violence witnessing and violence victimization, and determine whether these subtypes of violence exposure may differentially affect the proposed mediational factors. The results indicated that normlessness partially mediated the relationship between violence exposure and high-risk/delinquent behavior and between violence exposure and psychoemotional maladjustment. Isolation/self-estrangement partially mediated the relation between violence exposure and psychoemotional maladjustment. Although witnessing of, and victimization by, violence were both significant predictors of normlessness, only violent victimization was significantly linked to isolation/self-estrangement. These results elucidate the mechanisms by which community violence exposure may exert negative influences on youth and suggest that there are distinct patterns of risk associated with different forms of exposure.
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10.
  • Ponnet, Kaat, et al. (författare)
  • Suicidal behaviour in adolescents : associations with parental marital status and perceived parent-adolescent relationship.
  • 2005
  • Ingår i: Journal of Affective Disorders. - : Elsevier BV. - 0165-0327 .- 1573-2517. ; 89:1-3, s. 107-13
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Because equivocal findings exist with regard to the relationship between adolescents' suicidal behaviour and parental marital status, the aim of this study was to investigate this relationship and in particular the effect of the perceived parent-adolescent relationship on this association, taking into account the role of gender.METHOD: For this purpose, self-report surveys were administered to a representative school-based sample of 2707 adolescents in Antwerp (Belgium).RESULTS: 1) Boys living in a single parent family reported more suicidal ideations and self-harming behaviour than boys living in an intact family or in a remarried family; 2) Girls living in a remarried family reported more suicidal ideations and self-harming behaviour than girls living in an intact or in a single parent family; 3) Even after controlling for the levels of perceived parent-adolescent relationship, these associations remained significant.LIMITATIONS: The cross-sectional design, the retrospective assessment of suicidality and changes in family structure, the lack of external information and the assessment of the parent-adolescent relationship for both parents together, may have influenced the findings.CONCLUSIONS: When assessing risk factors for adolescent suicidality, marital status of the parents may bear clinical importance. In contrast to other studies, the perceived parent-adolescent relationship did not alter this association, a finding that needs further study.
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