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Oldest child’s weight status stratified by index child’s weight status1. 1National Child Measurement Programme-recorded body mass index (BMI) after application of ethnic-specific BMI adjustments, categorised according to UK1990 clinical reference standard: ‘underweight or healthy weight’ (<91st centile), ‘overweight’ (≥91st–<98th centile) or ‘obese’ (≥98th centile).
