Comprehensive physique rating | Experimental group (n = 1020) | χ2 | Control group (n = 1112) | χ2 | χ2 | |||
a1) | b2) | a3) | b4) | 1) 3) | 2) 4) | |||
Qualified | 849 | 889 | 6.219* | 924 | 926 | 0.013 | 0.008 | 6.339* |
Unqualified | 171 | 131 | 188 | 186 |