Table 4 Analysis of influencing factors of PDAP with chi-square test for PDAP in PD patients (n, %)

Gender

Male

97 (56.40)

101 (63.52)

1.746

0.186

Female

75 (43.60)

58 (36.48)

Occupation

Unemployed

36 (20.93)

43 (27.05)

25.567

< 0.001

Farmer

102 (59.30)

52 (32.70)

Office workers

18 (10.47)

34 (21.38)

Self-employed

16 (9.30)

30 (18.87)

Annual household income

≥¥150,000 CNY

33 (19.19)

60 (37.74)

14.073

< 0.001

<¥150,000 CNY

139 (80.81)

99 (62.26)

Diet preference

Spicy and strong flavored food

138 (80.23)

62 (38.99)

58.758

< 0.001

Light flavored food

34 (19.77)

97 (61.01)

Diet regularity

Regular

85 (49.42)

102 (64.15)

14.805

< 0.001

Irregular

87 (50.58)

57 (35.85)

Fluid exchange conditions

Favorable

26 (15.12)

85 (53.46)

64.816

< 0.001

Ordinary

78 (45.35)

57 (35.85)

Poor

68 (39.53)

17 (10.69)

Educational level

Junior high school or lower

147 (85.47)

119 (74.84)

5.907

0.015

Higher than junior high school

25 (14.53)

40 (25.16)

Cause of kidney failure

Chronic glomerulonephritis

48 (27.91)

45 (28.30)

1.034

0.905

Diabetic nephropathy

35 (20.35)

35 (22.01)

Obstructive nephropathy

40 (23.25)

39 (24.53)

Hypertensive nephropathy

32 (18.60)

29 (18.24)

Lupus nepheritis

6 (3.49)

3 (1.89)

Polycystic kidney

5 (2.91)

4 (2.51)

Gouty nephropathy

4 (2.33)

2 (1.26)

Vasculitis-associated nephritis

2 (1.16)

2 (1.26)

Humidity

Favorable (40–70%)

23 (13.37)

98 (61.64)

19.219

< 0.001

Too low (< 40%)

67 (38.95)

20 (12.57)

Too high (> 70%)

82 (47.68)

41 (25.79)