Exclusive Breastfeeding Clinical Trial
Official title:
A WeChat-based Intervention to Promote and Support Breastfeeding in China: A Multi-center Randomized Controlled Trial
The aim of the randomized controlled trial (RCT) is to evaluate the effects of an
intervention program delivered via WeChat platform to support exclusive breastfeeding in
China. WeChat, a free smart phone application, is the most popular social networking platform
in China. It will be used to deliver health educational messages to the study participants.
Our hypothesis is that the intervention program can lead to at least a 10% increase in
exclusive breastfeeding prevalence at 6 months when compared to the control group.
A multicenter RCT of 1,000 participants will be conducted at four maternity hospitals in
Chengdu, China. Eligible pregnant women who consent to participate will be recruited from the
antenatal clinic at around 30 weeks of gestation and will be randomly assigned to either the
intervention or control group on a 1:1 ratio.
After randomization, all participants will be asked to scan a Quick Response code to follow
our WeChat public account, which can send push notifications to alert participants for new
content, topics, links to a searchable library and frequently asked questions and answers.
From baseline until childbirth, control group participants will receive non-breastfeeding
related messages, such as healthy lifestyle and nutrition during pregnancy, from WeChat,
whereas the intervention group participants will receive breastfeeding related messages,
including preparation for breastfeeding after birth and the health benefits of breastfeeding,
from WeChat. After childbirth, intervention group mothers will continue to receive
information about breastfeeding for 6 months. The investigators will use WeChat to remind
mothers about the importance of exclusive breastfeeding, build confidence and motivate them
to continue exclusive breastfeeding. Meanwhile, the control group participants will receive
information on other topics of interest to mothers, such as immunization, safety, infant
growth, and etc.
Each participant will be interviewed in person by trained nurses at baseline, at discharge
and be interviewed by telephone using structured questionnaires at 1, 4, and 6 months
postpartum to collect detailed information on breastfeeding practices. All participants
receive normal prenatal and postpartum maternity services. Cox proportional hazard models and
multilevel mixed regression models will be performed respectively to compare the duration of
exclusive breastfeeding and the rates of exclusive breastfeeding within six months postpartum
between intervention and control groups.
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