Risk factors for cognitive impairment in patients with chronic kidney disease

Table 2 Multivariate regression analysis of cognitive dysfunction in patient with chronic kidney disease undergoing peritoneal dialysis by logistic

	Reference group	Comparative group	Regression coefficient	Standard error	Wald χ2 value	P value	OR	95%CI
Age	< 60	60-79	1.185	0.821	4.741	0.015	1.561	1.518-4.182
		≥ 80	1.235	0.764	4.886	0.013	1.76	1.218-2.881
Educational level	Primary school or below	Junior and senior high schools	0.735	0.855	4.842	0.027	0.82	0.218-0.881
		Junior college or above	0.403	0.236	5.636	0.034	0.435	0.273-0.764
Marital status	Unmarried	Married	0.845	0.214	1.241	0.046	0.817	0.423-0.985
		Divorced or widowed	1.134	0.138	4.312	0.032	1.137	1.001-6.013
	Payment method	Self-funded	1.185	0.31	8.864	0.008	2.368	1.608-4.486
		Insurance	1.621	0.288	27.572	0.001	2.011	1.211-5.432

OR: Odds ratio; CI: Confidence interval.