Background
Methods
Design
Setting and participants
Sample size
Measurement
Phase 1: item analysis
Phase 2: validity and reliability analysis
Validity
Reliability
Data collection
Data entry and statistical analysis
Ethical consideration
Results
Demographic Characteristics | Number of Participants (n) | Percentage (%) | |
---|---|---|---|
Gender | Male | 46 | 28.9 |
Female | 113 | 71.1 | |
Nationality | Han | 138 | 86.8 |
Minority | 21 | 13.2 | |
Religious beliefs | None | 150 | 94.3 |
Buddhism | 8 | 5.1 | |
Taoism | 1 | 0.6 | |
Age | ≤ 25 | 12 | 7.5 |
26 to 35 | 95 | 60 | |
36 to 45 | 40 | 25 | |
≥ 46 | 12 | 7.5 | |
Working years | 1 year or less | 10 | 6.3 |
1 to 5 years | 26 | 16.3 | |
6 to 10 years | 41 | 25.8 | |
11 to 15 years | 48 | 30.2 | |
16 to 20 years | 16 | 10.1 | |
≥ 21 years | 18 | 11.3 | |
Education | Post-secondary degree | 10 | 6.3 |
Bachelor’s degree | 135 | 84.9 | |
Master’s degree or above | 14 | 8.8 | |
Position | Doctor manager | 4 | 2.5 |
Clinician | 24 | 15.1 | |
Nurse manager | 5 | 3.2 | |
Clinical nurse | 126 | 79.2 | |
Title | Primary | 79 | 49.7 |
Intermediate | 60 | 37.7 | |
Senior | 20 | 12.6 | |
Department | Respiratory Medicine | 28 | 17.6 |
Oncology | 21 | 13.2 | |
Nephrology | 24 | 15.1 | |
Cardiology Intensive Care Unit | 22 | 13.8 | |
Internal Medicine-Neurology | 24 | 15.1 | |
Hematology | 20 | 12.6 | |
Intensive Care Unit | 20 | 12.6 |
Demographic Characteristics | Number of Participants (n) | Percentage (%) | |
---|---|---|---|
Gender | Male | 29 | 16.2 |
Female | 151 | 83.8 | |
Age | 22 to 29 | 36 | 19.8 |
30 to 39 | 89 | 49.4 | |
40 to 49 | 41 | 22.7 | |
50 to 59 | 13 | 7.2 | |
≥ 60 | 1 | 0.05 | |
Working years | 1 year or less | 8 | 4.4 |
1 to 5 years | 28 | 15.5 | |
6 to 10 years | 42 | 23.3 | |
11 to 15 years | 54 | 30.0 | |
16 to 20 years | 15 | 8.3 | |
≥ 21 years | 33 | 18.3 | |
Education | Post-secondary degree | 49 | 27.2 |
Bachelor’s degree | 123 | 68.3 | |
Master’s degree or above | 8 | 4.4 | |
Position | Doctor manager | 12 | 6.6 |
Clinician | 36 | 20 | |
Nurse manager | 6 | 3.3 | |
Clinical nurse | 126 | 70.0 | |
Title | Primary | 82 | 45.5 |
Intermediate | 75 | 41.6 | |
Senior | 23 | 12.7 |
Item analysis
Entry | t | P |
---|---|---|
A1 | 5.074 | <0.001* |
A2 | -0.650 | 0.522 |
A3 | 15.569 | <0.001* |
A4 | -4.983 | <0.001* |
A5 | 8.345 | <0.001* |
A6 | -11.000 | <0.001* |
A7 | 4.372 | <0.001* |
B1 | 10.590 | <0.001* |
B2 | 13.220 | <0.001* |
B3 | 10.590 | <0.001* |
B4 | 10.165 | <0.001* |
B5 | 11.349 | <0.001* |
B6 | 5.339 | <0.001* |
B7 | 10.161 | <0.001* |
C1 | 17.694 | <0.001* |
C2 | 17.694 | <0.001* |
C3 | 16.615 | <0.001* |
C4 | 11.000 | <0.001* |
C5 | 21.663 | <0.001* |
C6 | 19.887 | <0.001* |
C7 | 12.315 | <0.001* |
C8 | 13.274 | <0.001* |
C9 | 8.901 | <0.001* |
C10 | 9.046 | <0.001* |
Validity
Content validity
Construct validity
Dimension | Entry | Factor 1 | Factor 2 | Factor 3 |
---|---|---|---|---|
C1 | 0.750 | |||
C2 | 0.804 | |||
C3 | 0.826 | |||
C4 | 0.820 | |||
ACP communication skills | C5 | 0.786 | ||
C6 | 0.720 | |||
C7 | 0.724 | |||
C8 | 0.821 | |||
C9 | 0.764 | |||
C10 | 0.748 | |||
B1 | 0.804 | |||
B2 | 0.803 | |||
B3 | 0.637 | |||
ACP communication, specialist knowledge | B4 | 0.664 | ||
B5 | 0.690 | |||
B6 | -0.569 | |||
B7 | 0.556 | |||
A1 | -0.843 | |||
A3 | 0.796 | |||
A4 | -0.697 | |||
ACP communication, basic knowledge | A5 | -0.626 | ||
A6 | 0.697 | |||
A7 | 0.506 |
Reliability
Methods | Statistical Methods | Results | |
---|---|---|---|
Item analysis | |||
Item selection | Correlation coefficient analysis. critical ratio | Pearson correlation coefficient. critical ratio | Except for “A2,” the correlation coefficient of the 23 items > 0.40; except for “A2,” the CR value of each item was between 4.372 and 21.663 |
Reliability | |||
1. Internal consistency | Cronbach’s α | Cronbach’s α | Total Cronbach’s α = 0.888. three-dimension Cronbach’s α = 0.729 to 0.959 |
2. Stability | Two-week test-retest reliability | Intraclass correlation coefficient | ICC = 0.884, p<0.001 95%CI = 0.857–0.909 |
Validity | |||
1. Content validity | Reviewed by expert panel (n = 14) | Content validity index | I-CVI = 0.79 to 1.00. S-CVI = 0.90 |
2. Construct validity | Factor analysis | Exploratory factor analysis | KMO = 0.945. Bartlett’s test of sphericity: chi-squared = 3209.318. p ≤ 0.001. total variance explained = 69.969% |
Confirmatory factor analysis | (X2/df = 2.504, RMSEA = 0.092, GFI = 0.809, AGFI = 0.745, CFI = 0.931, IFI = 0.932, TLI = 0.916). |