Table 1 Baseline characteristics

From: Cancer patients' awareness of clinical trials, perceptions on the benefit and willingness to participate: Korean perspectives

Variable

Frequency ( N =524)

%

Sex

  

 Male

239

45.6

 Female

285

54.4

Age (years)

  

30

12

2.3

 30< to 40

59

11.3

 40< to 50

121

23.1

 50< to 60

128

24.4

 60< to 70

161

30.7

 70<

43

8.3

Disease status

  

 Neoadjuvant

25

4.8

 Adjuvant

169

32.3

 Metastatic, first line

160

30.5

 Metastatic, second line

79

15.1

 Metastatic, third line

49

9.4

 Metastatic, fourth line

21

4.0

 Metastatic, fifth line

11

2.1

 Metastatic, sixth line

8

1.5

 Metastatic, seventh line

2

0.4

Educational degree

  

 Postgraduate

37

7.1

 University

153

29.2

 High school

185

35.3

 Middle school

57

10.9

 Elementary school

58

11.1

 Uneducated

10

1.9

 Unknown

24

4.6

Religion

  

 Buddhism

162

30.9

 Christian

153

29.2

 Catholicism

74

14.1

 Others

79

15.1

 Unknown

56

10.7

Diagnosis

  

 Breast

168

32.1

 Lung

98

18.7

 Stomach

47

9.0

 Colorectal

70

13.4

 Hepatocellular

14

2.7

 Biliary

21

4.0

 Pancreas

14

2.7

 Lymphoma

12

2.3

 Head and neck

23

4.4

 Sarcoma

11

2.1

 Gynecology and genitourinary

11

2.1

 Oesophagus

8

1.5

 Othersa

27

5.2

Marital status

  

 Single

34

6.5

 Married

425

81.1

 Bereavement

29

5.5

 Divorced

20

3.8

 Unknown

16

3.1

Economic status

  

 >5b

64

12.2

 5 to >4

46

8.8

 4 to >3

78

14.9

 3 to >2

58

11.1

 2 to >1

93

17.7

 1

129

24.6

 Unknown

56

10.7

Distance from clinic

  

2 h

348

66.4

 >2 h

176

33.6

Private cancer insurance

 Yes

253

48.3

 No

248

47.3

 Unknown

23

4.4

  1. aThyroid cancer, thymic carcinoma, germ cell tumour, skin cancer, neuroendocrine carcinoma, mesothelioma, anal cancer, brain, melanoma, renal cell carcinoma, metastatic of unknown origin, and small bowel cancer.
  2. bThousands United States dollars per month.