2.5. Processing
unintentional injuries
Before the establishment of the WeChat groups, the research team created 30 educational articles concerning five potential unintentional injuries and parents' beliefs and skills (of varying severity and susceptibility) among children (Both intervention groups comprised the participating parents, a community childcare doctor, and the doctor's assistant. All parents were asked to follow the official WeChat account and, over the first 3 months, the assistant regularly uploaded articles and sent relevant messages and URLs to the groups. Additionally, all parents could ask the community childcare doctor questions about childcare, and they could also exchange perspectives with other parents and attempt to answer other parents' questions.Both control groups had the same member composition as the intervention groups, but the parents were not asked to follow the official WeChat account and the community childcare doctor and assistant did not send them relevant messages and URLs. However, due to ethics requirements, the community childcare doctor did answer any emergency questions from the parents.Finally, all communication records were exported to Excel 2019 through Python, and all group members were given unique numbers; the assistant was numbered “8888,” and the community childcare doctor was numbered “9999.” All records were screened and paired based on criteria of interaction that were used to determine each group member's engagement with the research contents (All communication records were exported as a text file, and input in an Excel file to form interactive pairs based on 