Variate

N (%)

RHDS

t/F (P)

Age

1.49 (0.223)

18 - 39

21 (21.21%)

148.67 ± 35.60

40 - 49

30 (30.30%)

151.22 ± 25.22

50 - 59

31 (31.32%)

161.61 ± 28.58

60 - 76

17 (17.17%)

163.18 ± 24.66

Education level

0.49 (0.745)

primary school or below

19 (19.19%)

148.29 ± 32.78

junior high school

36 (36.37%)

159.58 ± 25.04

technical secondary school

21 (21.21%)

156.86 ± 25.44

junior college

12 (12.12%)

157.33 ± 28.86

undergraduate or below

11 (11.11%)

154.36 ± 40.76

Marital status

1.39 (0.252)

married

89 (89.90%)

154.38 ± 29.56

single

8 (8.08%)

169.38 ± 18.27

widowed

2 (2.02%)

174.00 ± 11.31

Working status

0.25 (0.620)

active

40 (40.40%)

154.23 ± 33.48

inactive

59 (59.60%)

157.18 ± 25.52

Per capita monthly household income (yuan)

0.45 (0.637)

<2000

21 (21.21%)

151.14 ± 26.45

2000 - 6000

47 (47.48%)

158.37 ± 31.88

>6000

31 (31.31%)

155.65 ± 25.94

Mode of residence

0.25 (0.908)

solitary

12 (12.12%)

154.33 ± 33.42

medical insurance for urban employees/residents

60 (60.61%)

156.14 ± 30.70

publicly funded free medical care

2 (2.02%)

137.00 ± 4.24

new rural cooperative medical system

20 (20.20%)

158.30 ± 23.88

commercial medical insurance

5 (5.05%)

156.50 ± 19.49

Place of residence

0.16 (0.924)

the provincial capital city

25 (25.25%)

158.20 ± 21.37

prefecture-level city

29 (29.30%)

154.59 ± 27.57

town

21 (21.21%)

158.02 ± 33.72

countryside

24 (24.24%)

153.58 ± 33.82

Living arrangement

1.22 (0.272)

live alone

9 (9.09%)

166.11 ± 25.68

live with family

90 (90.91%)

154.97 ± 29.11

Tumor stage

0.82 (0.486)

I

22 (22.22%)

150.36 ± 30.33

II

57 (57.58%)

158.92 ± 30.11

III

17 (17.17%)

151.18 ± 22.91

IV

3 (3.03%)

168.67 ± 23.97

Length of stay

1.55 (0.206)

1 - 4

3 (3.03%)

179.00 ± 25.24

5 - 9

46 (46.47%)

152.82 ± 30.48

10 - 14

40 (40.40%)

154.65 ± 26.21

15 - 22

10 (10.10%)

169.00 ± 29.82

Discharged with a drainage tube

2.80 (0.006)

no

32 (32.32%)

167.34 ± 24.30

yes

67 (67.68%)

150.56 ± 29.46