UNLABELLED Smoking is a highly addictive behaviour, often initiated during adolescence. It is suggested that smoking is associated with behavioural and emotional problems. This study aims to assess the impact of psychosocial problems on smoking initiation and vice versa. METHOD We obtained data on self-reported psychosocial problems and smoking of adolescents at the age of 13 years and 2 year...

Individuals with the short variant of the serotonin transporter linked polymorphic region gene are more susceptible than individuals homozygous for the long allele to the effects of stressful life events on risk for internalizing and externalizing problems. We tested whether individual differences in coping style explained this increased risk for problem behavior among youth who were at both ge...

BACKGROUND Research examining mental health in violence-affected youth in representative samples is rare. Using data from the nationally representative German Health Interview and Examination Survey for Children and Adolescents (KiGGS) this study reports on gender-specific prevalence rates and associations of a broad range of internalizing and externalizing mental health problems: emotional pro...

This study tests in a genetically informative design whether exercise behavior causally influences subjective wellbeing (SWB) and internalizing problems (INT). If exercise causally influences SWB and INT, genetic and environmental factors influencing exercise behavior will also influence SWB and INT. Furthermore, within genetically identical (MZ) twin pairs, the twin who exercises more should a...

Co-rumination, defined as repetitive, problem-focused talk explains higher levels of friendship quality in youth (Rose, 2002) and increased levels of anxiety/depression in females. Middle adolescents (N = 146) participated in a study of co-rumination, individual coping, externalizing/internalizing problems, and peer functioning. Consistent with past research, girls reported higher levels of co-...

Adolescence is characterized by dynamic changes in structural brain maturation. At the same time, adolescence is a critical time for the development of affective and anxiety-related disorders. Individual differences in typically developing children and adolescents may prove more valuable for identifying which brain regions correspond with internalizing behavior problems (i.e., anxious/depressiv...

Emotional distress, such as symptoms of anxiety, depression, and withdrawal, is on the rise among teenagers today. These are generally grouped into internalizing problems. Based research, a risk factor that contributes to problems peer rejection. This study aims determine effect rejection adolescent Research design quantitative research with multistage random sampling technique data collection ...

The current study filled significant gaps in our knowledge of developmental psychopathology by examining the influence of multilevel risk factors and developmental assets on longitudinal trajectories of internalizing symptoms and self-esteem in an exceptionally culturally diverse sample of rural adolescents. Integrating ecological and social capital theories, we explored if positive microsystem...

OBJECTIVE This study examined the impact of family conflict on internalizing and externalizing behavior at age 8 for children born low birth weight (LBW) and preterm (PT), with specific attention to the moderating role of early temperament. METHODS The sample included 728 families enrolled in the longitudinal study of the Infant Health and Development Program. The study relied on maternal rep...