We are extremely grateful to all the families who took part in this study, the midwives for their help in recruiting them, and the whole ALSPAC team, which includes interviewers, computer and laboratory technicians, clerical workers, research scientists, volunteers, managers, receptionists and nurses. The UK Medical Research Council, the Wellcome Trust and the University of Bristol provided core support for the ALSPAC. This study was funded by the National Alliance for Schizophrenia and Depression, the Department of Health via the ARIADNE programme (Applied Research into Anorexia Nervosa and Not Otherwise Specified Eating Disorders) and a Department of Health National Institute for Health Research (NIHR) Programme Grant for Applied Research (reference no. RP-PG-0606-1043) to U. Schmidt, J. Treasure, K. Tchanturia, H. Startup, S. Ringwood, S. Landau, M. Grover, I. Eisler, I. Campbell, J. Beecham, M. Allen, G. Wolff. The views expressed herein are not necessarily those of the Department of Health/NIHR. N. M. devised the study hypothesis, analysed the data and wrote the paper, and has primary responsibility for the final content. K. N. and P. E. were involved in the original cohort design, performed the data extraction and the general data analyses, helped with the data interpretation and revised the manuscript. U. N. advised on the data analytic strategies and advised on the interpretation of the data analyses. J. L. T. supervised the data analyses, the interpretation of the data and revised the manuscript. The authors declare that there are no conflicts of interest.
Supplementary tables are available online at http://www.journals.cambridge.org/bjn
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