Table 3.

Risk factors for tardive syndrome: logistic regression analysis

Item	β	SE (β)	Wald	OR	95% CI	pvalue
Physical illness	1.88	0.89	4.47	6.53	1.148−37.162	0.034
History of EPS	3.18	0.81	15.41	24.06	4.916−117.775	< 0.001
Electroconvulsive therapy	1.64	0.84	3.82	5.17	0.996−26.846	0.051

Values are presented as numbers and odds ratio (95% confidence interval).

OR, odds ratio; CI, confidence interval; EPS, Extrapyramidal symptoms.