| Push-ups |
Experimental group (n = 1020) |
χ2 |
Control group (n = 1112) |
χ2 |
χ2 |
|||
| a1) |
b2) |
a3) |
b4) |
1) 3) |
2) 4) |
|||
| Qualified |
602 |
646 |
3.996* |
659 |
668 |
0.151 |
0.013 |
2.393 |
| Unqualified |
418 |
374 |
453 |
444 |
||||