Table 1 Characteristics of participants according to NSSI at T2
Characteristic | Total(n = 1530) | NSSI at T2 | |
|---|---|---|---|
No (n = 1331) | Yes (n = 199) | ||
Age (T1) (M, SD) * | 12.9 ± 0.6 | 12.9 ± 0.6 | 12.8 ± 0.6 |
Sex (n, %) * | Â | Â | Â |
Males | 853(55.8) | 776(57.6) | 87(43.7) |
Females | 677(44.2) | 565(42.4) | 112(56.3) |
Regional area (n, %) * | Â | Â | Â |
Qidong County | 383(25.0) | 310(23.3) | 73(36.7) |
Guangming District | 190(12.4) | 173(13.0) | 17(8.5) |
Zhongshan City | 957(62.5) | 848(63.7) | 109(54.8) |
Ethnicity (n, %) | Â | Â | Â |
Han | 1482(96.9) | 1287(96.7) | 195(98.0) |
Others | 48(3.1) | 44(3.3) | 4(2.0) |
Single child (n, %) | Â | Â | Â |
No | 1261(82.4) | 1084(81.4) | 177(88.9) |
Yes | 269(17.6) | 247(18.6) | 22(11.1) |
Family structure (n, %) * | Â | Â | Â |
Core/joint family | 1333(87.1) | 1175(88.3) | 158(79.4) |
Single parent/blended family | 107(7.0) | 88(6.6) | 19(9.5) |
Cross-generation family | 90(5.9) | 68(5.1) | 22(11.1) |
Family history of psychiatric diseases (n, %) * | |||
No | 1510(98.7) | 1317(98.9) | 193(97.7) |
Yes | 20(1.3) | 14(1.1) | 6(3.0) |
Parenting style (n, %) * | Â | Â | Â |
Strict | 500(32.7) | 447(33.6) | 53(26.6) |
Open minded | 783(51.2) | 695(51.4) | 88(44.2) |
Pamper | 54(3.5) | 42(3.2) | 12(6.0) |
Neglect/rude/frequently changing | 193(12.6) | 147(11.0) | 46(23.1) |
Monthly household income per capita (n, %) | |||
≤ 1999 RMB | 60(3.9) | 47(4.13.5) | 13(6.5) |
2000–6999 RMB | 910(59.5) | 791(59.4) | 119(59.8) |
≥7000 RMB | 560(36.6) | 493(37.0) | 67(33.7) |
Education of main caregiver (n, %) | Â | Â | Â |
Junior and below | 914(59.7) | 795(59.7) | 119(59.8) |
Senior or technical school | 360(23.5) | 307(23.1) | 53(26.6) |
College and above | 256(16.7) | 229(17.2) | 27(13.6) |
Perceived academic pressure (n, %) * | Â | Â | |
High | 706(46.1) | 584(43.9) | 122(61.3) |
General | 773(50.5) | 704(52.9) | 69(34.7) |
low | 51(3.3) | 43(3.2) | 8(4.0) |
Depressive symptoms (T1) (n, %) * | Â | Â | Â |
None | 1234(80.7) | 1132(85.0) | 102(51.3) |
Moderate | 230(15.0) | 164(12.3) | 66(33.2) |
Severe | 66(4.3) | 35(2.6) | 31(15.6) |
IA (T1) (n, %) * | Â | Â | Â |
None | 1015(66.3) | 934(70.2) | 81(70.2) |
Moderate | 461(30.1) | 364(27.3) | 97(48.7) |
Severe | 54(3.5) | 33(2.5) | 21(10.6) |
NSSI(T1) (n, %) * | Â | Â | Â |
No | 1355(88.6) | 1224(92.0) | 131(65.8) |
Yes | 175(11.4) | 107(8.0) | 68(34.2) |
Depressive symptoms(T2) (n, %) * | Â | Â | Â |
None | 1243(81.2) | 1135(85.3) | 108(81.2) |
Moderate | 235(15.4) | 169(12.7) | 66(33.2) |
Severe | 52(3.4) | 27(2.0) | 25(12.6) |
Social support(T1) (M, SD) * | 67.0 ± 13.4 | 68.2 ± 12.8 | 59.2 ± 14.5 |