Table 5.

Hierarchical multiple conditional regression analysis to adjust CSI-BP score for potential confounders (n=77)

	V	SE	β	t	P
Years at school*	–1.087	0.395	–0.303	–2.75	0.007
Beck Depression Inventory§	1.105	0.196	0.546	5.64	0.000
Number of diagnoses, part B CSI-BP#	3.548	1.155	0.301	3.07	0.003
Visual analogue scale$	1.519	0.696	0.228	2.18	0.032

Notes:

^*Model 1, age, gender, and formal education;

^§model 2, model 1 depressive symptoms and use of psychotropic medications;

^#model 3, model 2 plus analgesics used at least three times/week in last 3 months and pain scores on the visual analogue scale and number of diagnoses of part B of CSI-BP;

^$model 4, model 3 plus type of chronic pain syndrome that could have been affected by all the variables studied in the previous hierarchical levels.

Abbreviations: CSI-BP, Central Sensitization Inventory – Brazilian population; SE, standard error.