Table 1.
Demographic distribution of non-suicidal self-injury behavior among rural primary and middle school students in Jiangxi Province.
| Variables | Option | Total N | The Number of NSSI (%) * | χ2 | P-Value |
|---|---|---|---|---|---|
| Sex | |||||
| Male | 1208 | 186 (15.40) | 0.63 | >0.05 | |
| Female | 1076 | 153 (14.22) | |||
| Phase of studying | |||||
| Primary school | 1348 | 192 (14.24) | 0.93 | >0.05 | |
| Middle school | 936 | 147 (15.71) | |||
| Left-behind children | |||||
| Yes | 610 | 92 (15.08) | 0.04 | >0.05 | |
| No | 1674 | 247 (14.76) | |||
| Only child in one’s family | |||||
| Yes | 201 | 38 (18.91) | 2.88 | >0.05 | |
| No | 2083 | 301 (14.45) | |||
| Family structure | |||||
| Two-parent family | 1904 | 262 (13.76) | 10.60 | <0.01 | |
| Non-two-parent family | 380 | 77 (20.26) | |||
| Witnessing household domestic violence | |||||
| Yes | 742 | 128 (17.25) | 5.04 | <0.05 | |
| No | 1542 | 211 (13.68) | |||
| Physical abuse | |||||
| Yes | 2125 | 328 (15.44) | 8.49 | <0.01 | |
| No | 159 | 11 (6.92) | |||
| Academic performance | |||||
| High | 270 | 33 (12.22) | 1.66 | >0.05 | |
| Low/Medium | 2014 | 306 (15.19) | |||
| Academic pressure | |||||
| High | 851 | 158 (18.57) | 14.88 | <0.01 | |
| Low/Medium | 1433 | 181 (12.63) | |||
| School bullying (past year) | |||||
| Yes | 730 | 176 (24.11) | 72.90 | <0.01 | |
| No | 1554 | 163 (10.49) | |||
| Psychological problems | |||||
| Normal | 587 | 1 (0.17) | 134.56 | <0.01 | |
| Mild/Severe | 1697 | 338 (19.92) |
* (%) is the incidence.