The prevalence of disorders among preschoolers was lower than in previous studies from the USA. Comorbidity was frequent and there was a male preponderance in ADHD and depression at this early age. These results underscore the fact that the most common disorders of childhood can already be diagnosed in preschoolers. However, rates of disorder in Norway may be lower than in the USA.
The prevalence of depressive mood was examined in a representative and nationwide sample of approximately 12,000 Norwegian adolescents. From the age of 14, girls scored 0.5 SD above boys in depressed mood, a difference that was stable throughout the adolescent period. At the age of 12, no gender difference was found. The gender difference was due to girls becoming more depressed from 13 to 14 years of age. An extended version of the gender intensification hypothesis (J. P. Hill & M. E. Lynch, 1983) was tested as an explanation for the gender difference in depressed mood. Structural equation modeling and regression analyses showed that the gender difference could be explained, in part, by increased developmental challenges for girls--pubertal development, dissatisfaction with weight and attainment of a mature female body, and increased importance of feminine sex role identification. Depressed mood was not associated with masculinity or school change, as had been predicted.
The Self-Perception Profile for Adolescents (SPPA; Harter, 1988) was administered to a national representative sample of 11,315 Norwegian adolescents of the ages 13 to 20. The original version of SPPA has an idiosyncratic and time-consuming item format, describing two adolescents with opposite characteristics on each item. A revised version of SPPA was developed using only one statement for each item. The original SPPA was administered to a random subsample of 880 subjects, whereas the rest of the total sample completed the revised edition. Concerning the original SPPA, results showed low to adequate reliability and poor replication of the factorial pattern. However, low correlations with the Marlowe-Crowne Social Desirability Index were obtained, and the construct validity was supported. Concerning the revised edition, the a priori factorial pattern was replicated. Further, it had substantially better reliability, better convergent validity, and better factorial validity than the original version. The discriminant validity and the contamination by social desirability bias were the same for both versions. The data thus indicate that there is no need to retain the time-consuming and cumbersome item format of the original SPPA.
BackgroundComprehensive evidence exists regarding the discrepancy between children's reports and parents' by proxy reports on emotional and behavioural problems. However, little is yet known about factors influencing the extent to which child self- and parent by proxy reports differ in respect of child Quality of Life (QoL). The aim of the study was to investigate the degree of discrepancy between child and parent by proxy reports as measured by two different QoL instruments.MethodsA representative Norwegian sample of 1997 school children aged 8–16 years, and their parents were studied using the Inventory of Life Quality (ILC) and the 'Kinder Lebensqualität Fragebogen' (KINDL). Child and parent reports were compared by t-test, and correlations were calculated by Pearson product moment coefficient. Psychometric aspects were examined in regard to both translated QoL instruments (internal consistency by Cronbach's alpha and test-retest reliability by intraclass correlation coefficients).ResultsParents evaluated the QoL of their children significantly more positively than did the children. Correlations between mother-child and father-child reports were significant (p < 0.01) and similar but low to moderate (r = 0.32; and r = 0.30, respectively, for the KINDL, and r = 0.30 and r = 0.26, respectively, for the ILC). Mother and father reports correlated moderately highly (r = 0.54 and r = 0.61 for the KINDL and ILC, respectively). No significant differences between correlations of mother-daughter/son and father-daughter/son pairs in regard to reported child QoL were observed on either of the two instruments.ConclusionIn the present general population sample, parents reported higher child QoL than did their children. Concordance between child and parent by proxy report was low to moderate. The level of agreement between mothers and fathers in regard to their child's QoL was moderate. No significant impact of parent and child gender in regard to agreement in ratings of child QoL was found. Both the child and parent versions of the Norwegian translations of the KINDL and ILC can be used in surveys of community populations, but in regard to the self-report of 9–10 years old children, only the KINDL total QoL scale or the ILC are recommended.
This study examines the development of global self-esteem and self-esteem in 6 specific domains across adolescence and young adulthood. Using a cohort-sequential design, we analyzed longitudinal data on 3,116 Norwegian men and women from 13 to 31 years of age by means of growth curve modeling. Questionnaire data provided information on global self-esteem and self-esteem in social, academic, athletic, and appearance domains. Data on important life outcomes was provided by register linkages. Results showed increasing levels of global self-esteem and self-esteem in most domains with increasing age. Being male, higher parental education, and reported higher levels of parental care were related to higher levels of global self-esteem and self-esteem in several domains. Self-esteem in the appearance domain showed high and stable correlations with global self-esteem, whereas in social domains, correlations with global self-esteem increased over age, with a particularly steep increase for romantic appeal self-esteem. As to the prospective relationship between self-esteem and important life outcomes, results showed that participants high in academic self-esteem attained higher education levels and higher income, but most of the relationship was explained by covariates such as parents’ socioeconomic status and school grades. Low global self-esteem predicted later prescription of antidepressants, even after controlling for covariates. This study is the first to provide a comprehensive picture of the development of global and domain-specific self-esteem throughout adolescence and young adulthood using long-term longitudinal data. The results underscore the importance of examining development of self-esteem in specific domains in addition to global self-esteem.
Most adolescents are placed in residential youth care (RYC) because of severe psychosocial strains and child maltreatment, which represent risk factors for developing mental disorders. To plan RYC units and ensure that residents receive evidence-based psychiatric interventions, it is necessary to obtain reliable and valid prevalence estimates of mental disorders in this population. However, there is a lacuna of research on diagnoses derived from standardized clinical interviews. The aim of this study was to assess the prevalence and comorbidity of mental disorders applying diagnostic interviews in an entire population of adolescents living in RYC in Norway. All young people in RYC were invited to participate in the study. Eighty-six RYC institutions with 601 eligible adolescents were included and 400 adolescents, 12–20 years old, participated in the study, yielding a response rate of 67 %. Anonymous Child Behaviour Checklist scores for 141 (70 %) of the declining residents were also available, allowing diagnoses according to the Diagnostic and Statistical Manual of Mental Disorders Fourth Edition (DSM-IV) for 541 youths to be estimated. Diagnoses were assessed by trained interviewers with the Child and Adolescent Psychiatric Assessment interview (CAPA). Seventy-six point two per cent (71.5–80.8 CI 95 %) of adolescents received at least one 3-month DSM-IV diagnosis. Prevalence rates for internalizing psychiatric disorders were higher than for behavioural disorders. Comorbidity was high between these two groups. Mental disorders were prevalent among children and youth in RYC. Our results create major concerns and challenge the existing organization of the RYC system.
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