Table 3 OR of self-harm last year on bullying behaviour, demographic-, parental-, friend- and school variables

Neither bullied nor bullies

1.0 (ref.)

Bullied

5.04 (4.48–5.68)***

4.94 (4.36–5.59)***

4.27 (3.68–4.95)***

3.69 (3.16–4.31)***

3.62 (3.10–4.24)***

2.42 (2.05–2.86)***

Bullies

3.19 (2.48–4.10)***

4.43 (3.40–5.77)***

3.60 (2.60–4.98)***

2.40 (1.70–3.41)***

2.37 (1.6–3.37)***

1.89 (1.31–2.73)***

Bully-victims

5.97 (4.86–7.35)***

8.29 (6.65–10.34)***

7.90 (6.02–10.37)***

5.60 (3.90–7.02)***

5.44 (4.05–7.29)***

3.48 (2.56–4.73)***

Gender

3.34 (3.02–3.71)***

3.73 (3.34–4.17)***

3.51 (3.08–4.01)***

3.94 (3.43–4.53)***

3.94 (3.42–4.54)***

3.71 (3.22–4.28)***

Family’s financial sit.

0.62 (0.60–0.65)***

0.72 (0.68–0.76)***

0.82 (0.77–0.87)***

0.82 (0.76–0.87)***

0.89 (0.83–.95)***

Education mother

0.69 (0.61–0.78)***

0.78 (0.68–0.90)**

0.88 (0.75–1.02)

0.87 (0.75–1.02)

0.88 (0.76–1.03)

Education father

0.84 (0.74–0.94)***

0.99 (0.86–1.14)

1.04 (0.89–1.20)

1.04 (0.90–1.20)

1.05 (0.91–1.22)

Parental support

0.20 (0.18–0.20)***

0.30 (0.26–0.34)***

0.31 (0. 26–0.35)***

0.37 (0.32–0.42)***

Parental monitoring

0.81 (0.79–0.82)***

0.88 (0.86–0.90)***

0.88 (0.86–0.91)***

0.91 (0.89–0.94)***

Friend support

0.63 (0.55–0.71)***

1.09 (0.90–1.33)

1.22 (1.00–1.50)*

Friendship

0.46 (0.41–0.53)***

0.74 (0.61–0.90)**

0.89 (0.73–1.08)

School well-being

0.73 (0.72–0.74)***

0.82 (0.80–0.84)***