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Table 1 Questionnaire descriptive statistics and internal consistency reliability estimates for the prostate and testicular cancer survivor subsamples

From: International evaluation of the psychometrics of health-related quality of life questionnaires for use among long-term survivors of testicular and prostate cancer

 

PCa Survivors

TCa Survivors

Questionnaire scales

N

M

SD

% floor/ ceiling

Cronbach’sα

N

M

SD

% floor/ ceiling

Cronbach’s α

SF-36

 Physical Functioning

112

73

27

 

0.93

124

92

15

52c

0.91

 Role-Physical

113

61

44

50c

0.91

125

89

26

77c

0.86

 Bodily Pain

116

68

26

26c

0.91

126

85

21

56c

0.93

 General Health

116

64

20

 

0.77

125

74

21

 

0.80

 Vitality

114

64

20

 

0.82

123

66

19

 

0.82

 Social Functioning

116

79

23

38c

0.86

126

84

22

54c

0.81

 Role-Emotional

112

74

40

67c

0.88

126

90

24

80c

0.68

 Mental Health

113

75

17

 

0.80

123

79

15

 

0.83

IOCv2

 Altruism/empathy

115

3.3

0.7

 

0.77

125

3.5

0.8

 

0.77

 Health awareness scale

114

3.1

0.9

 

0.74

125

3.4

0.8

 

0.71

 Meaning of cancer scalea

112

2.6

0.8

 

0.85

110

2.8

0.8

 

0.82

 Positive self-evaluation

115

3.3

0.7

 

0.64

126

3.5

0.8

 

0.69

 Positive Impact Score

115

3.1

0.5

 

0.82

126

3.3

0.6

 

0.87

 Appearance concerns

114

1.8

0.7

25f

0.73

124

1.9

0.9

33f

0.83

 Body change concerns

115

2.6

1.0

 

0.81

124

2.2

0.9

 

0.77

 Life interferences

115

2.1

0.7

 

0.75

126

1.8

0.8

21f

0.85

 Worry

115

2.4

0.9

 

0.90

125

2.4

0.9

 

0.90

 Negative Impact Score

115

2.2

0.7

 

0.93

126

2.1

0.7

 

0.94

 Employment concernsb

132

2.7

1.1

 

0.63

111

2.1

0.9

23f

0.74

 Relationship/not partnered concerns

25

2.3

0.9

 

0.82

24

2.2

1.1

25f

0.85

 Relationship/partnered concerns

92

1.8

0.6

22f

0.52

102

1.5

0.6

39f

0.62

QLQ-C30

 Global health status/QoL

112

69

20

 

0.96

124

79

19

22c

0.92

 Physical Function

113

84

18

30c

0.83

126

95

12

68c

0.82

 Role Function

114

85

24

61c

0.90

126

94

17

84c

0.93

 Emotional Function

113

85

18

40c

0.84

124

86

17

39c

0.84

 Cognitive Function

114

83

21

44c

0.73

124

91

16

66c

0.61

 Social Function

114

88

20

61c

0.78

124

94

16

82c

0.86

 Fatigue

114

22

21

28f

0.84

126

21

21

33f

0.85

 Nausea/vomitingc

114

1

5

91f

−0.04

126

2

6

87f

–

 Pain

114

18

25

53f

0.89

126

12

20

63f

0.85

 Dyspnoead

114

15

22

63f

–

125

9

18

75f

–

 Insomniad

113

18

29

65f

–

126

13

22

68f

–

 Appetite lossd

113

5

17

91f

–

126

4

14

89f

–

 Constipationd

114

11

21

75f

–

120

5

14

87f

–

 Diarrhoead

113

7

18

83f

–

124

6

17

85f

–

 Financial problemsd

114

5

18

90f

–

123

8

21

86f

–

QLQ-PR25

 Sexual activity

112

26

25

32 f

0.67

–

–

–

–

–

 Sexual functioning

43

51

20

 

0.41

–

–

–

–

–

 Urinary problems

115

22

20

 

0.89

–

–

–

–

–

 Incontinence aid problemsd

49

29

34

49 f

–

–

–

–

–

–

 Bowel problems

108

8

14

52 f

0.79

–

–

–

–

–

 Treatment related symptoms

112

13

12

 

0.45

–

–

–

–

–

QLQ-TC26

 Satisfaction with care

–

–

–

–

–

111

80

28

52c

0.85

 Future perspective

–

–

–

–

–

125

77

24

36c

0.56

 Communication

–

–

–

–

–

125

76

25

34c

0.53

 Sexual activity

–

–

–

–

–

121

60

27

 

0.77

 Sexual enjoyment

–

–

–

–

–

116

76

25

38c

0.77

 Satisfaction with testicular implantd

–

–

–

–

–

35

55

37

31c

–

 Treatment side effects

–

–

–

–

–

125

11

12

28f

0.63

 Job problems

–

–

–

–

–

125

15

26

66f

0.82

 Sexual problems

–

–

–

–

–

115

13

22

65f

0.59

 Family problemsd

–

–

–

–

–

125

15

28

70f

–

 Infertilityd

–

–

–

–

–

123

24

34

58f

–

 Body Imaged

–

–

–

–

–

125

18

28

62f

–

QPSNordic

 Work Motivation

–

–

–

–

–

113

3.8

0.7

 

0.42

 Job and life satisfaction

–

–

–

–

–

113

3.9

0.8

 

0.71

 Work ability

–

–

–

–

–

113

3.8

0.8

 

0.82

 Self-efficacy

–

–

–

–

–

113

4.4

0.8

40c

0.83

  1. Scale range for the SF-36, QLQ-C30, QLQ-PR25 and QLQ-TC26 is from 0 to 100. The IOCv2 and QPS Nordic scale range from 1 to 5. For the function scales and global health scale of the EORTC-QLQC30 and its modules a higher score represents a better level of functioning. For the symptom oriented scales and items higher scores indicate a higher level of symptoms; Percentage floor or ceiling effects are only reported when they exceed 20%.; TCa testicular cancer survivors, PCa prostate cancer survivors, N number of participants, M mean, SD standard deviation, c ceiling, f floor
  2. aDue to a mistake in the Norwegian version of the IOCv2 14 respondents skipped more than half of the items of this scale
  3. bN is higher than the number of respondents who were actually employed, since the item was also completed by some participants who were retired
  4. cReliability of the NV scale could not be calculated do to the very low prevalence of nausea and the absence of vomiting in the TCa sample
  5. dSingle item scales
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Health and Quality of Life Outcomes

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