Loneliness Trajectories, Associated Factors and Subsequent Health in Children and Young People During the COVID-19 Pandemic: A National Matched Cohort Study.

"Disclosure Terence Stephenson is Chair of the Health Research Authority and therefore recused himself from the Research Ethics Application. The remaining authors report no conflicts of interest in this work."

"This study was funded by The Department of Health and Social Care, in their capacity as the National Institute for Health Research (NIHR), and by UK Research and Innovation (UKRI) who have awarded funding grant number COVLT0022. All research at Great Ormond Street Hospital NHS Foundation Trust and UCL Great Ormond Street Institute of Child Health is made possible by the NIHR Great Ormond Street Hospital Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, UKRI, or the Department of Health. SMPP is supported by a UK Medical Research Council Career Development Award (MR/P020372/1). VS is funded by the ESRC-BBSRC Soc-B Centre for Doctoral Training (Grant ref: ES/T00200X/1)."