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Table 2 Descriptive statistics, factor structure, internal construct validity and reliability of the SCNS-SF34

From: Measurement invariance across gender and age groups, validity and reliability of the Chinese version of the short-form supportive care needs survey questionnaire (SCNS-SF34)

 

Corrected item-total correlation

Mean (SD)

Floor scorea

n (%)

Ceiling scorea

n (%)

No need

n (%)

Low unmet need

n (%)

Moderate to high unmet need

n (%)

Missing value

n (%)

Rank, unmet need b

Physical and daily living needs (PDL)

 

14.75 (14.49)

168 (15.19%)

1 (0.09%)

   

6 (0.54%)

 

1

Pain

0.44

1.70 (0.87)

  

1023 (92.50%)

20 (1.81%)

63 (5.70%)

 

21

2

Lack of energy / tiredness

0.54

1.69 (0.76)

  

1047 (94.67%)

15 (1.36%)

44 (3.98%)

 

26

3

Feeling unwell a lot of time

0.57

1.45 (0.81)

  

1038 (93.85%)

19 (1.72%)

47 (4.25%)

2 (0.18%)

25

4

Work around the home

0.51

1.43 (0.75)

  

1054 (95.30%)

15 (1.36%)

36 (3.25%)

1 (0.09%)

30

5

Not being able to do the things you used to do

0.51

1.69 (0.93)

  

990 (89.51%)

34 (3.07%)

79 (7.14%)

3 (0.27%)

18

Cronbach’s alpha coefficient

0.74

        

Psychological needs (PSY)

 

12.42 (13.96)

149 (13.47%)

    

22 (1.99%)

 

6

Anxiety

0.71

1.59 (0.86)

  

1024 (92.59%)

20 (1.81%)

62 (5.61%)

 

22

7

Feeling down or depressed

0.67

1.42 (0.78)

  

1047 (94.67%)

15 (1.36%)

44 (3.98%)

 

27

8

Feelings of sadness

0.67

1.34 (0.71)

  

1053 (95.21%)

18 (1.63%)

34 (3.07%)

1 (0.09%)

31

9

Fears about the cancer spreading

0.67

1.71 (0.97)

  

981 (88.70%)

34 (3.07%)

88 (7.96%)

3 (0.27%)

17

10

Worry that the results of treatment are beyond your control

0.59

1.52 (0.88)

  

1010 (91.32%)

27 (2.44%)

67 (6.06%)

2 (0.18%)

20

11

Uncertainty about the future

0.67

1.68 (0.93)

  

992 (89.69%)

31 (2.80%)

79 (7.14%)

4 (0.36%)

18

12

Learning to feel in control of your situation

0.50

1.44 (0.88)

  

1003 (90.69%)

26 (2.35%)

62 (5.61%)

15 (1.36%)

23

13

Keeping a positive outlook

0.43

1.17 (0.57)

  

1073 (97.02%)

11 (0.99%)

21 (1.90%)

1 (0.09%)

32

14

Feelings about death and dying

0.56

1.44 (0.75)

  

1050 (94.94%)

16 (1.45%)

37 (3.35%)

3 (0.27%)

29

17

Concerns about the worries of those close to you

0.49

1.67 (0.75)

  

1039 (93.94%)

21 (1.90%)

44 (3.98%)

2 (0.18%)

28

Cronbach’s alpha coefficient

0.87

        

Sexual need (SEX)

 

5.29 (11.46)

806 (72.88%)

2 (0.18%)

   

4 (0.36%)

 

15

Changes in sexual feelings

0.57

1.25 (0.55)

  

1080 (97.65%)

10 (0.90%)

15 (1.36%)

1 (0.09%)

33

16

Changes in your sexual relationships

0.58

1.18 (0.48)

  

1089 (98.46%)

5 (0.45%)

10 (0.90%)

2 (0.18%)

34

31

Being given information about sexual relationships

0.30

1.21 (0.74)

  

1036 (93.67%)

18 (1.63%)

48 (4.34%)

4 (0.36%)

24

Cronbach’s alpha coefficient

0.64

        

Patient care and support needs (PCS)

 

22.97 (20.46)

129 (11.66%)

5 (0.45%)

   

8 (0.72%)

 

18

More choice about which cancer specialists you see

0.50

2.02 (1.49)

  

792 (71.61%)

50 (4.52%)

261 (23.60%)

3 (0.27%)

7

19

More choice about which hospital you attend

0.46

1.47 (1.06)

  

976 (88.25%)

19 (1.72%)

109 (9.86%)

2 (0.18%)

16

20

Reassurance by medical staff that the way you feel is normal

0.56

1.97 (1.04)

  

953 (86.17%)

30 (2.71%)

121 (10.94%)

2 (0.18%)

15

21

Hospital staff attending promptly to your physical needs

0.55

2.13 (1.05)

  

916 (82.82%)

35 (3.16%)

151 (13.65%)

4 (0.36%)

9

22

Hospital staff acknowledging, and showing sensitivity to, to your feelings and emotional needs

0.55

2.01 (1.11)

  

907 (82.01%)

50 (4.52%)

146 (13.20%)

3 (0.27%)

11

Cronbach’s alpha coefficient

0.76

        

Health systems and information needs (HSI)

 

34.56 (21.46)

32 (2.89%)

    

20 (1.80%)

 

23

Being given written information about the important aspects of your care

0.52

2.34 (1.58)

  

723 (65.37%)

55 (4.97%)

323 (29.20%)

5 (0.45%)

4

24

Being given information (written, diagrams, drawings) about aspects of managing your illness and side-effects at home

0.45

1.71 (1.17)

  

929 (84.00%)

38 (3.44%)

138 (12.48%)

1 (0.09%)

14

25

Being given explanations of those tests for which you would like explanations

0.65

2.46 (1.39)

  

745 (67.36%)

55 (4.97%)

303 (27.40%)

3 (0.27%)

6

26

Being adequately informed about the benefits and side-effects of treatments before you choose to have them

0.61

2.35 (1.23)

  

834 (75.41%)

44 (3.98%)

222 (20.07%)

6 (0.54%)

8

27

Being informed about your test results as soon as feasible

0.60

2.64 (1.36)

  

742 (67.09%)

43 (3.89%)

316 (28.57%)

5 (0.45%)

5

28

Being informed about cancer which is under control or diminishing (that is, remission)

0.59

2.94 (1.48)

  

619 (55.97%)

42 (3.80%)

437 (39.51%)

8 (0.72%)

2

29

Being informed about things you can do to help yourself to get well

0.58

2.78 (1.49)

  

634 (57.32%)

72 (6.51%)

396 (35.80%)

4 (0.36%)

3

30

Having access to professional counseling (e.g. psychologist, social worker, counselor, nurse specialist) if you, family or friends need it

0.46

1.68 (1.21)

  

913 (82.55%)

40 (3.62%)

150 (13.56%)

3 (0.27%)

10

32

Being treated like a person not just another case

0.49

2.05 (1.08)

  

915 (82.73%)

42 (3.80%)

145 (13.11%)

4 (0.36%)

13

33

Being treated in a hospital or clinic that is physically pleasant as possible

0.46

2.14 (1.02)

  

920 (83.18%)

37 (3.35%)

146 (13.20%)

3 (0.27%)

12

34

Having one member of hospital staff with whom you can talk to about all aspects of your condition, treatment and follow-up

0.56

3.15 (1.70)

  

476 (43.04%)

53 (4.79%)

573 (51.81%)

4 (0.36%)

1

Cronbach’s alpha coefficient

0.85

        
  1. Note: a: the percentages of the floor (the lowest possible score) and ceiling (the highest possible score) of the SCNS-SF34 domain scores and the percentages of the unmet needs of each individual item were calculated. The threshold that was used for a significant floor or ceiling effect was 15%. b: the ranking is based on the prevalence of moderate to high unmet need
  2. Abbreviation: SD Standard deviation, SCNS-SF34 the Short-Form Supportive Care Needs Survey Questionnaire, PDL Physical and daily living needs, PSY Psychological needs, SEX Sexual need, PCS Patient care and support needs: HIS Health systems and information needs: SF-12 v2 the Short-Form-12 Health Survey version 2, MSAS-SF the Memorial Symptom Assessment Scale-Short Form, HADS the Hospital Anxiety and Depression Scale
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