Table 4.

Binary logistic regression model results^a.

Variable		B (95% CI)	P value
Sex (male)		0.03 (0.78-1.37)	.83
Age category (y)
	18-34	Reference	N/Ab
	35-54	0.17 (0.76-1.86)	.45
	55-64	0.14 (0.72-1.85)	.55
	65-79	0.06 (0.65-1.73)	.81
	80-99	−0.17 (0.20-3.54)	.82
Educational level
	None	Reference	N/A
	Primary	0.05 (0.16-7.07)	.96
	Secondary	0.05 (0.16-6.89)	.95
	Higher and university	−0.04 (0.15-6.22)	.96
	Different	−0.16 (0.11-6.43)	.88
Self-rated health
	Excellent	Reference	N/A
	Very well	1.12 (1.39-6.72)	.01
	Good	0.52 (0.85-3.35)	.13
	Not so well	0.14 (0.61-2.15)	.66
	Bad	0.27 (0.69-2.50)	.41
Specialty
	Nonsurgical	Reference	N/A
	Surgical	−0.64 (0.37-0.75)	<.001
	“Other”	−0.45 (0.38-1.06)	.08
Type of visit
	First visit	Reference	N/A
	Follow-up visit	0.17 (0.86-1.65)	.30

^a Nagelkerke R²=0.08.

^bN/A: not applicable.