| WeChat Group | Control Group | T-test/ Chi-square | P |
---|---|---|---|---|
 |  ± S | |||
Before Education | 45.63 ± 10.49 | 46.10 ± 9.10 | 0.474 | 0.636 |
After Education | 35.42 ± 5.06 | 41.88 ± 8.64 | 9.045 |  < 0.001 |
Chi-square | 12.27 | 4.372 | Â | Â |
P | <0.001 |  < 0.001 |  |  |