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Lyndal Bond a Centre for Adolescent Health,
Royal Children's Hospital, Parkville 3052, Victoria, Australia, b Clinical Epidemiology and Biostatistics Unit, Murdoch
Children's Research Institute and University of Melbourne Department
of Paediatrics, Royal Children's Hospital
Correspondence to: L Bond bond{at}cryptic.rch.unimelb.edu.au
Objectives:
To establish the relation between
recurrent peer victimisation and onset of self reported symptoms of
anxiety or depression in the early teen years.
What is already known on this topic
What this study adds
Design:
Cohort study over two years.
Setting:
Secondary schools in Victoria, Australia.
Participants:
2680 students surveyed twice in
year 8 (aged 13 years) and once in year 9.
Main outcome measures:
Self reported symptoms of
anxiety or depression were assessed by using the computerised version
of the revised clinical interview schedule. Incident cases were
students scoring
12 in year 9 but not previously. Prior
victimisation was defined as having been bullied at either or both
survey times in year 8.
Results:
Prevalence of victimisation at the
second survey point in year 8 was 51% (95% confidence interval 49%
to 54%), and prevalence of self reported symptoms of anxiety or
depression was 18% (16% to 20%). The incidence of self reported
symptoms of anxiety or depression in year 9 (7%) was significantly
associated with victimisation reported either once (odds ratio 1.94, 1.1 to 3.3) or twice (2.30, 1.2 to 4.3) in year 8. After adjustment for
availability of social relations and for sociodemographic factors,
recurrent victimisation remained predictive of self reported symptoms
of anxiety or depression for girls (2.60, 1.2 to 5.5) but not for boys
(1.36, 0.6 to 3.0). Newly reported victimisation in year 9 was not
significantly associated with prior self report of symptoms of anxiety
or depression (1.48, 0.4 to 6.0).
Conclusion:
A history of victimisation and poor
social relationships predicts the onset of emotional problems in
adolescents. Previous recurrent emotional problems are not
significantly related to future victimisation. These findings have
implications for how seriously the occurrence of victimisation is
treated and for the focus of interventions aimed at addressing mental
health issues in adolescents.
Being bullied is a common experience for many young people
A history of victimisation predicts the onset of anxiety or depression,
especially in adolescent girls
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