Table 4.

A test on the differences of mental health level of girls in the table tennis group before and after the experiment.

Dimension	Before the experiment (n = 20)	After the experiment (n = 20)	t	p value
Sense of unity of mind and body	14.22 ± 4.21	14.27 ± 4.28	−1.25	<0.001
Sense of self-respect	20.11 ± 2.16	21.05 ± 2.03	−6.88	0.005
Sense of balance of personality structure	13.20 ± 2.93	14.62 ± 3.14	−4.21	0.021
Self-structure coordination	14.82 ± 3.81	15.93 ± 3.30	−3.08	0.301
Interpersonal affinity	11.08 ± 2.17	12.82 ± 2.41	−1.72	0.003
Role adaptation	22.01 ± 1.83	22.24 ± 2.42	−3.86	0.028
Natural intimacy	18.52 ± 2.11	18.93 ± 2.37	−4.21	0.064
Sense of belief value	14.20 ± 2.16	14.58 ± 2.88	−5.66	0.082
Ideal transcendence	13.07 ± 2.50	13.73 ± 2.71	−7.08	0.063