Table 2 Effect of participant demographics and traits on suicide ideation and planning

 Male

1.09

0.89–1.33

1.02

0.80–1.30

1.03

0.89–1.19

0.96

0.81–1.14

 Female

Ref

Ref

Ref

Ref

 1st middle school

1.48

0.98–2.29

2.05

1.24–3.49

1.29

0.95–1.76

1.64

1.15–2.35

 2nd middle school

1.37

0.92–2.09

1.76

1.10–2.94

1.30

0.98–1.74

1.57

1.13–2.19

 3rd middle school

1.23

0.80–1.93

1.68

1.00–2.89

1.01

0.73–1.39

1.29

0.90–1.86

 1st high school

0.96

0.66–1.43

1.16

0.75–1.88

0.84

0.45–1.10

0.97

0.82–1.31

 2nd high school

0.89

0.61–1.34

1.11

0.71–1.81

0.73

0.55–0.96

0.92

0.60–1.12

 3rd high school

Ref

Ref

Ref

Ref

 1

1.79

1.14–2.68

1.67

1.01–2.64

1.49

1.04–2.11

1.40

0.94–2.04

 2

1.34

1.00–1.78

1.30

0.93–1.80

1.35

1.09–1.66

1.35

1.06–1.70

 3

Ref

Ref

Ref

Ref

 4

1.42

1.10–1.81

1.16

0.87–1.56

1.41

1.17–1.70

1.19

0.96–1.47

 5

1.27

0.80–1.92

0.81

0.46–1.33

1.39

1.01–1.89

0.96

0.66–1.38

 1

1.34

1.00–1.76

1.18

0.84–1.64

0.99

0.76–1.27

 2

Ref

Ref

Ref

Ref

 ≥3

1.15

0.89–1.46

1.11

0.83–1.46

1.15

0.94–1.40

 Sensation seeking

1.13

1.08–1.19

1.10

1.04–1.16

1.10

1.06–1.14

1.06

1.02–1.11

 Non-depressive

Ref

Ref

Ref

Ref

 Depressive

2.82

2.27–3.51

2.85

2.25–3.62

2.97

2.51–3.52

3.00

2.51–3.60