- †:Reversed item,×: Excluded item, **: p < 0.01, *: p < 0.05, n.s.: not significant
- Exclusion criteria for the item analysis
- a: The percentage of no answer over 5% of the sample
- b: Absolute values of skewness or kurtosis < 1.0
- c: Correlation over 0.7
- d: Difference of the average score between the highest-scoring group and lowest-scoring group was not significant (p ≥ 0.05)
- e: The correlation coefficient between the item and the total of all the items (with the exception of that item) was less than 0.3
