Table 2. Potential factors associated with preoperative anxiety, according to sociodemographic and clinical characteristics of children. Goiania, GO, Brazil, 2013-2014.

Sociodemographic and clinical characteristics		Preoperative anxiety		β*	OR†	CI(95%)‡	p§
		N	%
Gender
	Female	41	46.6	-0.07	0.93	0.53-1.61	0.800
	Male	47	53.4
Age group
	5-6 years	46	52.3	0.77	2.16	1.23-3.79	0.007
	7-12 years	42	47.7
Socioeconomic status
	Class B	26	29.6
	Class C	47	53.4	0.82	2.27	1.13-4.54	0.020
	Class D	15	17.0	0.82	2.28	0.95-5.45	0.064
Previous hospitalization
	Yes	44	50.0	0.39	1.49	0.85-2.59	0.158
	No	44	50.0
Previous surgery
	Yes	16	18.2	-0.53	0.58	0.26-1.26	0.174
	No	72	81.8
Preoperative pain
	Yes	10	11.4	-0.01	0.98	0.41-2.34	0.980
	No	78	88.6

*Beta coefficient

†Odds Ratio

‡Confidence interval of 95%

§Significance level