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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Apr 19, 2026; 16(4): 115520
Published online Apr 19, 2026. doi: 10.5498/wjp.v16.i4.115520
Table 1 Comparison of basic demographic characteristics between two groups, n (%)
Characteristic
Poisoning group (n = 28)
Normal group (n = 222)
χ2 value
P value
Age group7.4520.024
    12-14 years5 (17.9)72 (32.4)
    15-16 years6 (21.4)64 (28.8)
    17-18 years17 (60.7)86 (38.7)
Gender9.1270.002
    Male6 (21.4)114 (51.4)
    Female22 (78.6)108 (48.6)
Educational level4.0060.045
    Middle school9 (32.1)116 (52.3)
    High school19 (67.9)106 (47.7)
Specific grade distribution12.3840.015
    7th grade2 (7.1)38 (17.1)
    8th grade3 (10.7)42 (18.9)
    9th grade4 (14.3)36 (16.2)
    10th grade6 (21.4)38 (17.1)
    11th grade8 (28.6)36 (16.2)
    12th grade5 (17.9)32 (14.4)


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