3.2. Characteristics of the WeChat groups
Including the community childcare doctor and the assistant, 66 and 76 members were included in the control and intervention groups, respectively. In the control group, 11 members (31.9%) communicated during the intervention and follow-up and 273 communication records were obtained. In the intervention group, 49 members (64.5%) communicated and 1,736 communication records were obtained. A time-series plot (The time-series plot of intervention group and control group chatting records.