|  | WeChat Group | Control Group | T-test/ Chi-square | P |
---|---|---|---|---|---|
N (%) | |||||
Before Education | aEffective | 4 (2.0) | 3 (1.5) | 0.602 | 0.747 |
aModerately Effective | 40 (20.2) | 45 (23.0) | Â | Â | |
aLess effective | 154(77.8) | 148 (75.5) | Â | Â | |
After Education | aEffective | 119 (63.0) | 52 (28.6) | 60.808 |  < 0.001 |
aModerately Effective | 65 (34.4) | 85 (46.7) | Â | Â | |
aLess effective | 5 (2.6) | 45 (24.7) | Â | Â | |
 | Chi-square | 253.029 | 110.564 |  |  |
 | P |  < 0.001 |  < 0.001 |  |  |