Short report Arch Dis Child 2012;97:39–42. doi:10.1136/adc.2009.177337 39

Background UK breastfeeding rates are low and socially distributed. Childcare provides a potential setting for breastfeeding promotion. However, little is known about the association between childcare and breastfeeding in different socio-economic groups. Methods Using data from a contemporary UK cohort of infants (n=18 050) the authors calculated RR for breastfeeding for at least 4 months according to informal childcare (care by friends, grandparents, other relatives, etc) and formal childcare (eg, nurseries, crèches), both lasting at least 10 h a week and commencing before the age of 4 months, compared to being cared for ‘only by a parent ’ (this includes childcare for less than 10 h a week), overall and by socio-economic group