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Assessing an App-Based Child Restraint System Use Intervention in China: An RCT
Shuzhen Yan1, Jingzhen Yang2, Jingmei Fu1
1Injury Prevention Research Center, Shantou University Medical College, Shantou, China.
Introduction:
While child restraint systems are effective in protecting children from crash-related injuries and deaths, their use in China is extremely low. This study assessed the effectiveness of child restraint system education with and without behavioral skills training on improved use and explored participants' views regarding content and delivery of an onsite intervention and online (WeChat) boosters.
Study Design:
A randomized trial was conducted in 6 kindergartens from May 2017 to January 2018 in Shantou and Chaozhou, China. Selected kindergartens were randomly assigned to 3 groups: (1) control, (2) child restraint system education‒only, and (3) child restraint system education plus behavioral skills training. Analysis was conducted in May 2018.
Setting/Participants:
Participants were parents from the selected kindergartens.
Intervention:
Both intervention groups received child restraint system education that included one-time onsite education and biweekly online boosters for 3 months using an app to deliver education messages.
Main Outcome Measures:
Survey questions included parent knowledge, attitude and behaviors of child restraint system use, and opinions related to the content and delivery of the onsite intervention and online boosters.
Results:
Child restraint system use in both intervention groups was higher than that of the control group post-intervention (27.3% and 31.7%, respectively). Compared with the control group, the intervention groups had a higher percentage of correct answers to all 9 items, except Item 7 measuring the parents' knowledge, attitude, and behaviors of child passenger safety after the intervention. Lower parent's level of education (OR=7.00, 95% CI=2.62, 18.70) and older child age (4 years: OR=3.92, 95% CI=1.08, 5.28; 5 years: OR=2.08, 95% CI=1.52, 5.31) were associated with lower rates of child restraint system use. Most parents (92.3%) preferred the online over the onsite intervention component.
Conclusions:
An education intervention was effective in improving parents' knowledge, attitude, and practice of child restraint system use. A social media intervention booster (WeChat) may provide a new channel to help promote child passenger safety in China.
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