H Hiscock

Dr H Hiscock, Royal Children’s Hospital, Parkville, Victoria, Australia; harriet.hiscock@rch.org.au

STUDY DESIGN

Design:

cluster randomised controlled trial (RCT). Current Controlled Trials ISRCTN 48752250.

Allocation:

concealed.*

Blinding:

blinded {families, nurses, data collectors, and data analysts}†.*

Setting:

49 maternal and child health centres in 6 government areas in Melbourne, Victoria, Australia.

STUDY QUESTION

Patients:

328 mothers (mean age 33 y) who reported infant sleep problems (mean infant age 7.4 mo, 54% boys). Infants born at < 32 weeks’ gestation and mothers who did not know sufficient English to complete questionnaires were excluded.

Intervention:

25 centres (n = 174) were allocated to SBIs to improve infant sleep, and 24 centres (n = 154) were allocated to usual well-child care. In the SBI group, 100 families accepted the …