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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Aug 19, 2026; 16(8): 118995
Published online Aug 19, 2026. doi: 10.5498/wjp.118995
Table 1 Comparison of basic characteristics between two groups, n (%)/mean ± SD
Item
NSSI group (n = 156)
Control group (n = 156)
t/χ2
P value
Gender0.1030.748
Male42 (26.9)45 (28.8)
Female114 (73.1)111 (71.2)
Age (years)15.3 ± 1.615.1 ± 1.71.0520.294
Years of education (years)8.6 ± 1.58.8 ± 1.4-1.1860.237
Only child 82 (52.6)78 (50.0)0.2050.651
Divorced parents38 (24.4)25 (16.0)3.4250.064
Comorbid depression 98 (62.8)32 (20.5)56.82< 0.001
Comorbid anxiety72 (46.2)28 (17.9)28.56< 0.001
Family history of mental illness35 (22.4)18 (11.5)6.5280.011


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