Table 4 Result of multivariate logistic regression analysis

(Intercept)

− 2.57

0.93

− 2.77

0.000

Sex

(Ref. = male)

Female

− 0.05

0.29

− 0.18

0.802

School type

(Ref. = Elementary School)

Middle school

− 0.10

0.81

− 0.13

0.184

High school

0.30

0.78

0.39

0.610

Family structure

(Ref. = both parents)

Other

0.17

0.30

0.58

0.700

Economic status

(Ref. = non-poverty)

Lower

0.70

0.33

2.14

0.040*

Usual concerns: family problems

(Ref. = No)

Yes

0.24

0.32

0.77

0.434

Usual concerns: peer problems

(Ref. = No)

Yes

0.63

0.38

1.67

0.067°

Usual concerns: Academic problems

(Ref. = No)

Yes

− 0.08

0.30

− 0.26

0.871

History of self-harm

(Ref. = No)

Yes

− 0.18

0.47

− 0.39

0.575

History of psychiatric disorder

(Ref. = No)

Yes

− 0.72

0.34

− 2.13

0.042*

Year of suicide

(Ref. = 2016)

Year_2017

0.66

0.45

1.46

0.121

Year_2018

− 0.81

0.58

− 1.39

0.153

Year_2019

0.37

0.46

0.79

0.466

Year_2020

0.67

0.44

1.52

0.132