Table 2.

Characteristics of prevalent patients who are in working age^a.

Variable	Overall	Employed	Non-employed	p Value
n (%)	166	26 (15.7%)	140 (84.3%)	<.05
Age (year)	48.46 ± 8.4	44.55 ± 8.89	49.41 ± 7.4	<.05
Gender (F/M)	60/106	7/19	53/87	<.05
Diabetic nephropathy	23 (13.9%)	4 (15.4%)	19 (13.6%)	.81
Cancer	2	2	0	NA
Educational level				<.05
College and above	25	15	10
High middle school	59	5	54
Junior middle school	62	6	56
Primary school and below	20	0	20
With medical insurance	156 (93.98%)	22 (84.62%)	134 (95.71%)	<.05
Annual family income				<.05
<50,000 RMBb	93 (56%)	5 (19.2%)	88 (62.9%)
50,000–100,000 RMB	42 (25.3%)	4 (15.4%)	38 (27.1%)
100,000–150,000 RMB	23 (13.9)	12 (46.2%)	11 (7.9%)
>150,000 RMB	8 (4.8%)	5 (19.2%)	3 (2.1%)
Hemodialysis vintage	7.12 ± 5.11	5.6 ± 4.33	7.46 ± 5.6	.09
Blood flow (ml/min)	224 ± 19	236 ± 24	221 ± 18	<.05
Weekly HDc frequency	2.89 ± 0.33	2.87 ± 0.33	2.91 ± 0.28	.92
With treatment on weekendd	79 (47.59%)	17 (65.38%)	62 (44.29%)	<.05
HD with AVFe	155 (93.37%)	25 (96.15%)	130 (92.77%)	.28
HP or HFHD or HDF weeklyf frequency				<.05
0	65 (39.16%)	8 (30.77%)	57 (40.71%)
<1	20 (12.05%)	3 (11.54%)	17 (11.14%)
≥1	81 (48.8%)	15 (57.69%)	66 (47.14%)
Hb (g/L)	107.78 ± 20.78	106.73 ± 21.82	108.14 ± 20.45	.39
P (mmol/L)	2.108 ± 0.625	2.19 ± 0.60	2.100 ± 0.624	.44
Ca (mmol/L)	2.272 ± 0.314	2.30 ± 0.27	2.272 ± 0.327	.63
PTH (pg/mL)	381.88 ± 502.05	429.79 ± 509.70	367.05 ± 500.75	.56
ALB (g/dL)	41.14 ± 5.95	41.50 ± 4.17	41.11 ± 6.53	.74
Pre-ALB (g/dL)	340.31 ± 95.44	338.30 ± 92.80	344.41 ± 96.90	.77
Kt/V	1.366 ± 0.338	1.37 ± 0.316	1.365 ± 0.345	.96
URR(%)	66.10 ± 8.807	66.80 ± 9.05	65.87 ± 8.71	.73

^aWorking age: 18–60 years old.

^bRMB: Renminbi (Chinese Yuan).

^cHD: hemodialysis.

^dWith treatment on weekend: one HD treatment was done at Saturday.

^eAVF: arteriovenous fistula.

^fHP: hemoperfusion; HFHD: high flux HD; HDF: hemodiafiltration.