Table 3.

The regulatory impact analysis of VR game groups and control groups.

Regulatory Impact	Categorical Variables for Sub-Group Analysis	PC	Hedge’s g	95% CI	I2	Between-Group Difference
						p
Session length	15 to 40 min;	7	0.26	−0.01 to 0.53	0%	0.70
	≥40 min	6	0.34	0.07 to 0.60	0%
Intervention frequency	2 to 5 sessions/weekly;	6	0.27	−0.04 to 0.58	0%	0.96
	≥5 sessions/weekly	7	0.32	0.07 to 0.56	0%
Intervention cycle	3 to 12 weeks	4	0.15	−0.19 to 0.50	0%	0.33
	≥12 weeks	9	0.36	0.13 to 0.59	0%
Total time of intervention	480 to 1000 min;	8	0.21	−0.04 to 0.47	0%	0.34
	≥1000 min	5	0.40	0.12 to 0.68	0%

Note: PC = pair-comparison.