Table 2.

Baseline data collection for risk element among experimental and control groups

Variables	Experimental	Control	Student's t-test
	Age 8 years
EAT	52.58 (7.32)	52.22 (10.64)	−0.638
RULA	5.28 (0.43)	5.50 (0.50)	0.819
Bag weight	4.79 (0.98)	4.57 (1.31)	−1.494
	Age 11 years
EAT	53.27 (7.08)	52.10 (7.25)	0.659
RULA	5.45 (0.59)	5.25 (0.34)	0.696
Bag weight	5.86 (1.22)	4.66 (1.24)	4.718*

^*Note: Significant at P < 0.05.

Abbreviations: EAT, ergonomics awareness test; RULA, rapid upper limb assessment.