Deliberate self-harm among pediatric psychiatric inpatients in China: A single-center retrospective study

Table 1 Sample demographic and clinical characteristics (n = 1414)

Characteristic	n (%)
Year
2014	135 (9.55)
2015	150 (10.61)
2016	184 (13.01)
2017	208 (14.71)
2018	315 (22.28)
2019	422 (29.84)
Main diagnosis
Depression	427 (30.20)
Bipolar disorder	188 (13.30)
Schizophrenia or other primary psychotic disorder	366 (25.88)
Neurodevelopmental disorder	275 (19.45)
Others	158 (11.17)
Gender
Male	721 (50.99)
Female	693 (49.01)
Age (yr)
≤ 12	144 (10.18)
13-18	1270 (89.82)
Census registration
Rural	890 (62.94)
City	524 (37.06)
Occupation
Student	970 (68.60)
Employed	17 (1.20)
Not working or studying	427 (30.20)
Marital status of parents
Normal	1354 (95.76)
Abnormal	60 (4.24)
Family history of psychiatric illness
Positive	172 (12.16)
Negative	1215 (85.93)
Unknown	27 (1.91)
Substance use
Yes	26 (1.84)
No	1388 (98.16)
History of physical abuse
Yes	9 (0.64)
No	1384 (97.88)
Unknown	21 (1.49)
DSH
Yes	239 (16.90)
No	1175 (83.10)
Types of DSH
Cutting	115 (48.12)
Scratching	14 (5.86)
Hitting	36 (15.06)
Puncturing	4 (1.67)
Swallow medications	3 (1.26)
Refusing foods	16 (6.69)
Biting	9 (3.77)
Multiple ways	21 (8.79)
Others	6 (2.51)
Unknown	15 (6.28)

DSH: Deliberate self-harm.