This paper reports the findings from a study of 935 adolescents' perceived attachments to their parents and peers, and their psychological health and well-being. Perceived attachment to parents did not significantly differ between males and females. However, females scored significantly higher than males on a measure of attachment to peers. Also, relative to males, they had higher anxiety and depression scores, suggesting poorer psychological well-being. Overall, a lower perceived attachment to parents was significantly associated with lower scores on the measures of well-being. Adolescents who perceived high attachments to both their parents and peers had the highest scores on a measure of self-perceived strengths. In this study, adolescents' perceived attachment to peers did not appear to compensate for a low attachment to parents in regard to their mental ill-health. These findings suggest that high perceived attachment to parents may be a critical variable associated with psychological well-being in adolescence.

The one-year prevalence and correlates of selected DSM-III-R disorders were determined in a sample of 930 18-year-olds. Using both diagnostic and impairment criteria 340 individuals (36.6%) were considered to have disorder. The most prevalent disorders were major depressive episode (16.7%), alcohol dependence (10.4%) and social phobia (11.1%). There was a high degree of co-morbidity among disorders; 46% of those with disorder had two or more. The prevalence of disorders was greater for females, with the exception of conduct disorder and alcohol or marijuana dependence. A variety of characteristics were associated with disorder, including poor social competence, disadvantage and self-rated health status. A third of those with disorder had their problems recognised by a "significant-other". The results are presented within the context of a perceived need for research in the area of adolescent and early adult mental health in order to minimise the toll of mental disorder in later life.

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The Multidimensional Health Locus of Control (MHLC) scales have been widely used as a measure of health beliefs in adult populations. In a longitudinal study of an adolescent cohort, we examined some of the properties of the MHLC; whether there are changes in the locus of beliefs between the ages of 13 and 15 years; and the extent of gender differences at the two ages. The results provided some degree of support for the previously proposed structure of the MHLC, but showed correlations among the subscales that were higher than might be expected, and lower alpha reliability coefficients than have been reported for adult samples. There was also evidence of downward changes in scores for the 'chance' and 'powerful others' scales, as well as differences in the factor structures of females and males at age 15 years. In contrast to the structure of health beliefs found with some adult samples, 'chance' is a prominent, independent dimension of beliefs about control of health among adolescents. The independence of the 'internal control' and 'powerful others' scales seem to be a function of both age and gender. As health behaviours are multidetermined, it is concluded that the MHLC measure would be useful as part of an index of health status.