Table 1.
Male middle-school students |
Female middle-school students |
|||
---|---|---|---|---|
Cases/mean (percentage/SD) |
Cases/mean (percentage/SD) |
|||
Yes | No | Yes | No | |
The prevalence of NSSI behaviors | 163 (37.6%) | 271 (62.4%) | 132 (39.1%) | 206 (60.9%) |
X2 = 0.71 | ||||
The frequency of NSSI behaviors | 0.54 (1.35) | 0.55 (1.18) | ||
t = 0.095 | ||||
The types of NSSI behaviors | 1.18 (0.13) | 0.88 (0.08) | ||
t = 1.96* | ||||
The motivations of NSSI behaviors | 2.36 (1.34) | 2.36 (1.23) | ||
t = −0.022 | ||||
Body parts of NSSI behaviors (top five) | Hand (48 person-times) | Hand (54 person-times) | ||
Arm (46 person-times) | Arm (53 person-times) | |||
Wrist (35 person-times) | Wrist (29 person-times) | |||
Head (20 person-times) | Face (12 person-times) | |||
Face (20 person-times) | Thigh (10 person-times) | |||
Methods of NSSI behaviors (top three) | To scratch or tear skin (51 person-times) | To scratch or tear skin (56 person-times) | ||
Not to let the wound heal intentionally (39 person-times) | To severely scratch skin with nails or other objects (e.g., glass slag, needles, thumbtacks), resulting in bleeding and leaving scars (41 person-times) | |||
To pull hair, eyelashes or eyebrows consciously and violently (34 person-times) | To pull hair, eyelashes or eyebrows consciously and violently (32 person-times) | |||
Motivations of NSSI behaviors (top three) | I am very angry with myself, so decided to try (20 person-times) | I am very angry with myself, so decided to try (18 person-times) | ||
Unable to remember (19 person-times) | Unable to remember (14 person-times) | |||
To show courage (18 person-times) | I am very angry with others, and decide to try (12 person-times) | |||
Consequences of NSSI behaviors (top three) | Difficult to deal with interpersonal relationships (32 person-times) | Difficult to deal with interpersonal relationships (17 person-times) | ||
Unable to complete studies or work (27 person-times) | Difficult to realize self-worth/self-esteem (15 person-times) | |||
Unable to engage in things of interest (20 person-times) | Unable to engage in things of interest (13 person-times) |
Note. NSSI = nonsuicidal self-injurious. *p < .05.