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Table 2 Cronbach’s alpha reliability: Total scale and subscale

From: Psychometric assessment of the Chinese version of the Problems and Needs in Palliative Care questionnaire-short version in advanced cancer patients

PNPC-sv dimension

No. of items

PNPC Problem part

PNPC Need-for-care part

Range in percentage of “somewhat” and “yes” (%)

Cronbach’s alpha

Range in percentage of “as much as now” and “yes”

Cronbach’s alpha

ADL

3

30.5–42.0

0.75

27–29.3

0.81

Physical

9

20.1–54.0

0.61

13.2–54.3

0.72

Autonomy

4

25.1–52.3

0.79

27–45.4

0.84

Social

5

7.5–23.6

0.75

10.3–20.1

0.79

Psychological

5

30.5–49.4

0.78

23–42.5

0.85

Spiritual

4

19.5–38.5

0.68

19.5–27.6

0.80

Financial

2

69.5–83.9

0.58

63.2–82.8

0.69

Information

1

42.5

NA

43.1

NA

Total scale

  

0.88

 

0.91

  1. Note: NA=not applicable