title: Gender-Specific Developmental Trajectories of Anxiety during Adolescence: Determinants and Outcomes. The TRAILS Study.
abstract: OBJECTIVE
  To identify developmental trajectories of anxiety symptoms for adolescent girls and boys. Trajectories were compared with regard to early-adolescent risk factors and psychiatric outcomes during adolescence and in young adulthood.
  
  
  METHODS
  A community sample of 2,230 adolescents was assessed three times across a six-year interval (10-17 years). Symptom scores of anxiety were analyzed with growth mixture models, stratified by gender.
  
  
  RESULTS
  Three gender-specific anxiety trajectories were identified for both girls (93.3% low, 4.1% mid-adolescence limited, 2.6% mid-adolescence increasing) and boys (84.4% low, 9.5% mid-adolescence limited, 6.1% early-adolescence decreasing). Child, family and peer factors at baseline predicted group membership of the mid-adolescence limited anxiety trajectory and the early-adolescence decreasing anxiety trajectory in boys. Parental emotional problems predicted the early-adolescence anxiety increase trajectory in girls. Prevalence of anxiety disorders and depression during adolescence and in early adulthood was higher in both the mid-adolescence limited and the mid-adolescence anxiety increase trajectory.
  
  
  CONCLUSIONS
  The longitudinal course of anxiety symptoms during adolescence was characterized by three distinct gender-specific developmental trajectories. The most at-risk trajectory in girls was the mid-adolescence anxiety increase trajectory, and in boys the mid-adolescence limited trajectory. None of the environmental (i.e., child, family and peer) factors distinguished the at-risk trajectories from the other trajectories.
authors: Erasmus University Medical Centre Rotterdam/Sophia Children's Hospital, Department of Child and Adolescent Psychiatry/Psychology, Rotterdam, The Netherlands.
authors: Jeroen S
authors: JS
authors: Legerstee
authors: Frank C
authors: FC
authors: Verhulst
authors: Sylvana C C
authors: SC
authors: Robbers
authors: Johan
authors: J
authors: Ormel
authors: Albertine J
authors: AJ
authors: Oldehinkel
authors: Floor V A
authors: FV
authors: van Oort
keywords: adolescence; and growth mixture modelling; anxiety; determinants; developmental trajectories
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