Table 3 Generalized estimating equation for change in demoralization among patients with chest and breast cancer with radiotherapy

Intercept

58.05

7.09

8.19

 < 0.0001

Time

 2^nd week of RT

-2.93

1.44

-2.04

0.0418

 4^th week of RT

-5.01

3.72

-1.35

0.1781

 The end of RT

0.71

2.59

0.27

0.7846

 1^st month after completing RT

-4.87

1.96

-2.48

0.0131

 3^rd months after completing RT

-4.27

2.81

-1.52

0.1278

 Before RT

Ref

Sex

 Male vs. Female

-1.54

4.78

-0.32

0.7473

Age

  ≥ 50 vs. < 50

-0.40

1.99

-0.20

0.8407

Highest level of education

 High school or low vs. University or higher

0.70

2.25

0.31

0.7542

Marital status

 Single vs. Married

0.41

3.80

0.11

0.9140

Main source of income

 Oneself vs. Other

-1.11

1.76

-0.63

0.5266

Occupation

 No vs. Yes

0.03

1.92

0.02

0.9879

Cancer stage

 2 vs. 1

-1.96

2.52

-0.78

0.4370

 3 vs. 1

2.09

3.10

0.67

0.5004

 4 vs. 1

-2.66

3.44

-0.77

0.4388

Operation

 No vs. Yes

-1.26

4.77

-0.27

0.7909

Chemotherapy

 No vs. Yes

-0.15

2.27

-0.07

0.9474