Table 3 Associations between exposure variables and pupils’ aggressive behaviour

Violence Prevention Climate at Management level

 Low

1

1

1

1

1

1

1

1

1

 Medium

0.77 [0.56–1.05]

0.80 [0.57–1.11]

0.84 [0.59–1.20]

0.81 [0.58–1.12]

0.86 [0.62–1.20]

0.99 [0.70–1.41]

0.82 [0.63–1.07]

0.83 [0.63–1.09]

0.91 [0.65–1.27]

 High

0.69 [0.47–1.00]

0.66 [0.45–0.98]

0.77 [0.51–1.16]

0.69 [0.47–1.01]

0.67 [0.46–1.00]

0.84 [0.55–1.27]

0.67 [0.45–0.99]

0.63 [0.42–0.95]

0.72 [0.47–1.11]

Violence Prevention Climate at Co-worker level

 Low

1

1

1

1

1

1

1

1

1

 Medium

1.07 [0.74–1.53]

1.02 [0.69–1.51]

1.10 [0.76–1.60]

0.96 [0.68–1.36]

0.92 [0.63–1.34]

0.97 [0.65–1.46]

0.79 [0.56–1.11]

0.75 [0.53–1.08]

0.69 [0.47–1.00]

 High

1.13 [0.81–1.58]

1.01 [0.73–1.39]

1.09 [0.78–1.53]

1.25 [0.87–1.80]

1.15 [0.79–1.67]

1.27 [0.86–1.88]

0.89 [0.63–1.26]

0.80 [0.56–1.14]

0.91 [0.62–1.33]

Practices and procedures

 Low

1

1

1

1

1

1

1

1

1

 Medium

1.08 [0.76–1.55]

1.05 [0.73–1.51]

1.22 [0.87–1.71]

0.90 [0.65–1.23]

0.88 [0.64–1.20]

0.84 [0.61–1.17]

1.00 [0.72–1.38]

0.97 [0.70–1.35]

1.00 [0.68–1.46]

 High

0.56 [0.41–0.75]

0.54 [0.40–0.73]

0.61 [0.45–0.84]

0.71 [0.51–1.00]

0.71 [0.51–0.99]

0.84 [0.58–1.21]

0.64 [0.43–0.96]

0.63 [0.42–0.95]

0.70 [0.43–1.12]

Conflict management training

 No

1

1

1

1

1

1

1

1

1

 Yes

0.95 [0.60–1.50]

0.92 [0.57–1.47]

1.04 [0.64–1.69]

1.13 [0.75–1.69]

1.08 [0.71–1.64]

1.13 [0.74–1.74]

0.90 [0.61–1.34]

0.91 [0.61–1.37]

1.14 [0.72–1.80]

Supervision

 No

1

1

1

1

1

1

1

1

1

 Yes

0.88 [0.65–1.21]

0.80 [0.57–1.12]

0.84 [0.59–1.19]

0.85 [0.65–1.13]

0.77 [0.58–1.04]

0.88 [0.63–1.22]

0.88 [0.61–1.29]

0.83 [0.56–1.22]

0.90 [0.59–1.36]

Registration of threats

 No

1

1

1

1

1

1

 Yes

2.14 [1.47–3.12]

2.18 [1.48–3.22]

2.16 [1.47–3.19]

Registation of violence

 No

1

1

1

 Yes

1.67 [1.16–2.39]

1.62 [1.12–2.33]

1.58 [1.10–2.27]