Variate

Model I

Model II

Model III

Model IV

β

t (P)

β

t (P)

β

t (P)

β

t (P)

Age

6.35

2.05 (0.043)

4.55

1.81 (0.073)

5.04

2.21 (0.030)

4.66

2.05 (0.043)

Education level

−1.02

−0.38 (0.706)

−2.73

−1.26 (0.213)

−1.75

−0.89 (0.378)

−2.28

−1.16 (0.249)

Marital status

5.77

0.99 (0.327)

5.64

1.20 (0.235)

6.04

1.41 (0.163)

5.90

1.38 (0.170)

Working status

−5.91

−0.90 (0.372)

−9.08

−1.71 (0.091)

−4.83

−0.99 (0.320)

−6.60

−1.38 (0.173)

Per capita monthly household income

4.87

1.05 (0.296)

5.47

1.47 (0.146)

3.74

1.10 (0.275)

4.37

1.29 (0.198)

Living arrangement

−13.39

−1.36 (0.177)

−5.10

−0.64 (0.526)

−4.22

−0.58 (0.566)

−3.50

1.39 (0.170)

Tumor stage

6.89

1.65 (0.103)

1.82

0.53 (0.599)

3.60

1.16 (0.249)

2.41

0.78 (0.438)

Length of stay

3.77

0.94 (0.348)

2.93

0.911 (0.365)

0.45

0.15 (0.881)

1.15

0.39 (0.695)

Discharged with a drainage tube

−19.81

−3.21 (0.002)

−17.85

−3.59 (0.001)

−15.67

−3.44 (0.001)

−16.14

−3.58 (0.001)

actually obtained content

1.47

7.03 (<0.001)

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——

——

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teaching skills and effects

9.71

8.78 (<0.001)

——

——

QDTS

0.656

8.93 (<0.001)