One-leg standing with eye-closed

Experimental group

(n = 1020)

χ²

Control group

(n = 1112)

χ²

χ²

^a1)

^b2)

^a3)

^b4)

1) 3)

2) 4)

Qualified

551

668

27.903*

602

627

1.137

0.003

18.496*

Unqualified

469

352

510

485