Table 1.

Frequency distribution of the study units based on demographic variables in two groups

Group Features		Training	Control	P value
		Relative frequency	Relative frequency
Sex	Female	57%	42%	0.40
	Male	43%	58%
Marital status	Single	27%	16%	0.30
	Married	73%	84%
Employment	Yes	41%	46%	0.43
	No	59%	54%
Education level	Primary	3%	3%	0.62
	Junior high school	37%	39%
	High school	56%	50%
	Academic	4%	8%
Hemodialysis frequency in a week	Twice	42%	38%	0.16
	Three times	58%	62%