title: Locus of control, perceived parenting style, and symptoms of anxiety and depression in children with Tourette's syndrome.
abstract: OBJECTIVE
  This study explored the contribution of two psychosocial factors, locus of control (LOC) and perceived parenting style, to symptoms of internalizing disorders in children with Tourette syndrome (TS). This contribution was further evaluated in relation to TS severity.
  
  
  METHODS
  Sixty-five children (53 boys, 12 girls) ages 9.0-16.9 years, of normal intelligence, completed questionnaires evaluating their depression and anxiety symptoms, LOC, and maternal parenting style. Their mothers rated TS severity, determined by tic severity, symptoms of attention-deficit hyperactivity disorder (ADHD) and obsessive compulsive symptoms (OCS).
  
  
  RESULTS
  Higher rates of symptoms of anxiety and depression were associated with a more external LOC and a more rejecting and controlling parenting style. Additionally, depression correlated significantly with tic severity, ADHD and OCS, whereas anxiety correlated only with ADHD symptoms and OCS, but not with tics. Regression analyses showed that LOC, OCS and ADHD symptoms each significantly contributed to predicting anxiety level, whereas LOC and ADHD symptoms significantly contributed to predicting depression symptoms.
  
  
  CONCLUSIONS
  Rates of symptoms of anxiety and depression in children with TS are markedly influenced by psychosocial factors, extending beyond the influence of ADHD and OCD, both common comorbid disorders in TS. An internal LOC, which is associated with an accepting and autonomy-granting parenting style, appears to be a protective factor against anxiety and depression.
authors.affiliation: School of Education, Hebrew University of Jerusalem, Mt. Scopus, Jerusalem 91905, Israel. msest@mscc.huji.ac.il
authors.forename: Esther
authors.initials: E
authors.lastname: Cohen
authors.forename: Michal
authors.initials: M
authors.lastname: Sade
authors.forename: Fortu
authors.initials: F
authors.lastname: Benarroch
authors.forename: Yehuda
authors.initials: Y
authors.lastname: Pollak
authors.forename: Varda
authors.initials: V
authors.lastname: Gross-Tsur
mesh_terms: D000293:Adolescent; D001008:Anxiety Disorders / Q000175:diagnosis / Q000523:psychology*; D001289:Attention Deficit Disorder with Hyperactivity / Q000175:diagnosis / Q000523:psychology; D002648:Child; D015897:Comorbidity; D019955:Conduct Disorder / Q000175:diagnosis / Q000523:psychology*; D003866:Depressive Disorder / Q000175:diagnosis / Q000523:psychology*; D005260:Female; D006801:Humans; D007389:Internal-External Control; D007557:Israel; D008297:Male; D009771:Obsessive-Compulsive Disorder / Q000175:diagnosis / Q000523:psychology; D016487:Parenting / Q000523:psychology*; D010552:Personality Assessment; D010555:Personality Inventory; D012307:Risk Factors; D005879:Tourette Syndrome / Q000175:diagnosis / Q000523:psychology*