Multivariate analysis adjusting the effect of the variables significantly associated in bivariate analysis in relation to the presence or absence of CIP.

Notes: 1 = male, 2 = female. Alcohol, benzodiazepine, amphetamine, ecstasy, opiates and cannabis consumption: 1 = presence, 0 = absence. Consumption variables plus sex and age were included in the model as an adjusting variable (Enter procedure). Personality variables were included using a conditional entrance.
Multivariate analysis adjusting the effect of the variables significantly associated in bivariate analysis in relation to the presence or absence of CIP.