Age (years) | Experimental group | Control group | ||||
Number | % | Sp | Number | % | Sp | |
20 - 24 25 - 29 30+ | 27 16 2 | 56.53 39.00 2.47 | 7.10 3.36 2.44 | 25 7 12 | 61.36 36.36 2.28 | 7.34 7.25 2.24 |
All | 45 | 100.00 | - | 44 | 100.00 | - |