Developmental aspects of psychiatric disorders may be inferred from patterns of age differences in prevalence. Age-specific prevalences are provided for nine disorders in a general population sample of ages 10-20. Age and gender patterns for several disorders suggest developmental stage-associated risks. These include oppositional disorder in both genders and conduct disorder and major depression in girls. Major depression shows a pattern suggestive of a role for the onset of puberty. The prevalence of one or more disorders did not differ by age or gender. However, the pattern of specific diagnoses varied greatly by both age and gender.
Maladaptive parenting and childhood maltreatment may be associated with a risk for severe interpersonal difficulties during adolescence. These interpersonal difficulties may play a pivotal role in the development of suicidal behavior. Youths who are at an elevated risk for suicide may tend to be in need of mental health services that can help them to cope with an extensive history of profound interpersonal difficulties, beginning in childhood and continuing through adolescence.
The Children in the Community (CIC) Study is an ongoing investigation of the course of psychiatric disorders including personality disorders (PDs) in an epidemiological sample of about 800 youths. In addition to tracking developmental trajectories over 20 years from adolescence into adulthood, the CIC Study has used prospective data to investigate early risks for Axis II disorders and symptoms (including both environmental factors and early characteristics), implications of comorbidity with Axis I disorders, and associated negative prognostic risk of adolescent PDs into adulthood. The substantial independent impact of PD on subsequent Axis I disorders, suicide attempts, violent and criminal behavior, interpersonal conflict, and other problematic adult outcomes confirms the importance of attention to these problems when they manifest in early adolescence. The implications of study findings for potential changes in the DSM are discussed.
The assumption of adult roles has largely been examined as status changes in school attendance, leaving the parental home, and marriage. Nevertheless, levels of autonomy and individuation vary considerably within these states. This study obtained such information through narrative behavioral descriptions within financial, residential, romantic, and family formation domains covering ages 17 to 27 years. Analyses of data from 240 members of a community-based longitudinal study investigated the association of trajectories in these domains with family socioeconomic status, parental divorce, gender, and race. Findings indicated that subgroup differences were not generally attributable to educational enrollment. Both within and between domains, many individuals showed dramatic changes in the assumption of adult roles, returning to more dependent, other-determined roles for short or even extended periods.
PD traits tend to decline steadily in prevalence during adolescence and early adulthood. However, adolescents with PDs often have elevated PD traits as young adults, and the stability of PD traits appears to be similar during adolescence and early adulthood.
Childhood adversities may contribute to greater risk for the development of eating disorders and problems with eating and weight that persist into early adulthood. Maladaptive paternal behavior may play a particularly important role in the development of eating disorders in offspring.
Television viewing and aggressive behavior were assessed over a 17-year interval in a community sample of 707 individuals. There was a significant association between the amount of time spent watching television during adolescence and early adulthood and the likelihood of subsequent aggressive acts against others. This association remained significant after previous aggressive behavior, childhood neglect, family income, neighborhood violence, parental education, and psychiatric disorders were controlled statistically.
Maladaptive parental behavior is associated with increased risk for the development of psychiatric disorders among the offspring of parents with and without psychiatric disorders. Maladaptive parental behavior appears to be an important mediator of the association between parental and offspring psychiatric symptoms.
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