Research Completed. From 2003-2007, the NCSBS conducted research testing the PURPLE program through randomized controlled trials in Seattle, Washington and Vancouver, B.C. Delivery sites included pediatric practices, maternity departments, pre-natal classes, and nurse home visitor programs. Over 4,400 parents participated in the studies. Additionally, 25 parent focus groups were conducted to develop the new materials. Refer to Randomized Controlled Trials for more information about the study.

PURPLE Research Published in Two Prestigious Journals

Seattle, Washington Trial in Pediatrics

The following article describing the randomized controlled trial of the Period of PURPLE Crying® materials in Seattle, Washington has been published in the March issue of Pediatrics.

Article Title: Effectiveness of educational materials designed to change knowledge and behaviors regarding crying and shaken baby syndrome in mothers of newborn infants: a randomized controlled trial.

Authors and Investigators: Barr RG, Rivara FP, Barr M, Cummings P, Taylor J, Lengua LJ, Meredith-Benitz E.

Vancouver, British Columbia, Canada Trial in the Canadian Medical Association Journal

The following article describing the randomized controlled trial of the Period of PURPLE Crying® materials in Vancouver, British Columbia, Canada has been published in the March edition of the Canadian Medical Association Journal.

Article Title: Do educational materials change knowledge and behaviors regarding crying and shaken baby syndrome in mothers of newborns when delivered by public health home visitor nurses? A randomized controlled trial.

Authors and Investigators: Ronald G. Barr, MDCM, FRCPC, Marilyn Barr, BIS, SSW, Takeo Fujiwara, MD, PhD, MPH, Jocelyn Conway, BA, Nicole Catherine, M. Sc., Rollin Brant, PhD.

Click here to read the full article on the CMAJ website.