Table 2.

Score trajectory of NSSI scales during follow-up.

Variables	At baseline	3 month treatment	6 month treatment	1 year treatment	p-value
Perceived self injury impulse score in recent 2 weeks	7.50 ± 2.48	4.92 ± 2.29	3.93 ± 2.49	2.90 ± 2.63	<0.001 a
Self injury impulse frequency in recent 2 weeks	3.99 ± 2.28	3.18 ± 1.70	2.58 ± 1.74	2.01 ± 1.90	<0.001 a
Total number of self-injury in recent 2 weeks	27.65 ± 40.04	12.29 ± 19.01	8.67 ± 13.93	6.46 ± 12.18	<0.001 a

NSSI, non-suicidal self-injury.

^aAverage and standard deviation. Welch’s t-test.