Letters Peer victimisation and depression

Authors’ reply to Males

BMJ 2015; 351 doi: https://doi.org/10.1136/bmj.h3648 (Published 07 July 2015) Cite this as: BMJ 2015;351:h3648
  1. Lucy Bowes, Leverhulme early career research fellow1,
  2. Carol Joinson, senior lecturer2,
  3. Dieter Wolke, professor3,
  4. Glyn Lewis, professor and chair in clinical trials and applied epidemiology4
  1. 1Department of Experimental Psychology, University of Oxford, Oxford OX1 3UD, UK
  2. 2Centre for Academic Mental Health, School of Social and Community Medicine, University of Bristol, Bristol, UK
  3. 3Department of Psychology and Division of Mental Health and Wellbeing, University of Warwick, Coventry, UK
  4. 4Division of Psychiatry, Faculty of Brain Sciences, University College London, London, UK
  1. lucy.bowes{at}psy.ox.ac.uk

Our population attributable fraction (PAF) suggested that 29.2% (95% confidence interval 10.9% to 43.7%) of depression at age 18 years could be explained by peer victimisation if this were a causal association.1 Males suggests that, owing to serious limitations in our dataset—particularly “the confounding variable of previous adult bullying in childhood”—this is an overestimate.2

Firstly, it is important to …

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