Baseline characteristics of children who were and were not included in the follow-up study as adolescents

Not includedIncludedp-value
Children n279421
Age years9.1±0.19.2±0.80.525
Females %
Ethnic minority %26.521.90.155
BMI percentile63.0±1.863.3±1.40.894
Waist cm65.0±0.665.7±0.50.399
Neck cm28.9±0.328.9±0.20.918
AHI events per h0.9±0.10.8±0.10.491
  • Data are presented as mean±sd unless otherwise stated. BMI: body mass index; AHI: apnoea–hypopnoea index.