Table 7 Group means and differences of participants who did (“NSSI”) and did not show NSSI (“noNSSI”) regarding the imagery characteristics, affect, entrapment belief and attitude towards NSSI at baseline

6.60 (1.58)

7.11 (2.03)

−0.51

6.90 (2.28)

7.78 (1.79)

−0.88

2.50 (1.35)

2.22 (1.09)

0.28

3.20 (2.20)

5.11 (3.18)

−1.91

7.00 (1.89)

6.78 (1.64)

.22

3.30 (3.29)

2.22 (1.72)

1.08

1.95 (.77)

2.37 (.73)

−0.42

.57 (.43)

.53 (.41)

0.04

2.19 (.79)

1.82 (0.66)

0.37

5.40 (3.41)

4.78 (3.53)

.62