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Table 1 Baseline and clinical characteristics by study

From: Item response theory analysis and properties of decisional conflict scales: findings from two multi-site trials of men with localized prostate cancer

 

Study

P3P-I

(n = 494)

P3P –II

(n = 392)

N

Percent

N

Percent

Age

  < 60 years

159

32.2

125

31.9

  > 60 years

335

67.8

267

68.1

Education

  > High school

280

56.9

310

79.1

  ≤ High school

214

43.3

77

19.6

 Missing/Unknown

0

0

5

1.3

Marital/partner status

 Married/partnered

378

76.5

280

71.4

 Not married/partnered

115

23.3

109

27.8

 Missing/unknown

1

0.2

3

0.8

Race

 Black

67

13.6

113

28.8

 White Hispanic

7

1.4

12

3.1

 White non-Hispanic

400

81.0

240

61.2

 Others

20

4.1

27

6.9

Working Status

 Not working

2

0.4

162

41.3

 Working

273

55.3

225

57.4

 Missing/unknown

219

44.4

5

1.3

Income

  < 39,999 (35,000a)

110

22.2

97

24.7

  > 39,999 (35,000a)

 

73.7

258

65.8

 Missing/Unknown

20

4

37

9.4

Web as an information source

 No

153

31.0

76

19.4

 Yes

341

69.0

282

71.9

 Missing/Unknown

0

0

34

8.7

D’Amico risk classification

 High

  

60

15.3

 Intermediate

  

194

49.5

 Low

  

135

34.4

 Missing/unknown

  

3

0.8

  1. aAn income threshold of 35,000 was used in P3P-I