Letter

Child psychiatric disorder and relative age in school year

BMJ 2003; 327 doi: 10.1136/bmj.327.7426.1287 (Published 27 November 2003)
Cite this as: BMJ 2003;327:1287.1

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Peer effects need to be considered

  1. Woody Caan, professor of public health (a.w.caan@apu.ac.uk)
  1. Department of Public and Family Health, APU, Chelmsford, Essex CM1 1SQ

    EDITOR–Goodman et al show clearly how small effects at an individual level can create opportunities at the population level for public health interventions.1 As they say, the differential behaviour of teachers towards slightly younger pupils in the classroom may increase their risk of developing …

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