Table 2 Univariate analysis and multivariate logistic regression for overdose (overall)

Female sex

5.08 (2.9–9.1)

< 0.0001^a

4.54 (2.43–8.50)

< 0.0001^a

Psychotropic drugs

4.11 (2.34–7.24)

< 0.0001^a

 Benzodiazepines

3.09 (1.75–5.45)

< 0.0001^a

0.97 (0.44–2.16)

0.94

 Antidepressant drugs

3.82 (1.80–8.12)

0.0005^a

2.09 (0.81–5.38)

0.13

 Antipsychotic drugs

3.31 (1.76–6.22)

0.0002^a

1.81 (0.81–4.07)

0.15

 Lithium carbonate

10.5 (1.35–81.8)

0.0247^a

5.06 (0.58–44.4)

0.14

 Anticonvulsants

4.30 (1.70–10.8)

0.002^a

2.39 (0.85–6.67)

0.10