Economic status | Experimental group | Control group | ||||
Number | % | Sp | Number | % | Sp | |
Very good Good Poor Not sure | 6 30 6 3 | 13.3 66.7 13.3 6.7 | 5.06 7.02 5.06 3.71 | - 34 6 4 | 0 77.27 13.64 9.09 | - 6.31 5.17 4.33 |
All | 45 | 100.0 | - | 44 | 100.0 | - |