Table 2 Descriptive statistics of item responses
Descriptive statistics of FCV-19S items in total sample | ||||||||
|---|---|---|---|---|---|---|---|---|
Items | n | mean | SD | skewness | kurtosis | floor % | ceiling % | Item variance |
Item #1 | 2000 | 2.68 | 1.23 | 0.13 | -0.93 | 23.4 | 7.8 | 1.51 |
Item #2 | 2000 | 2.76 | 1.29 | 0.05 | -1.15 | 23.7 | 9.0 | 1.67 |
Item #3 | 2000 | 1.52 | 0.86 | 1.92 | 3.74 | 65.2 | 1.7 | 0.74 |
Item #4 | 2000 | 1.76 | 0.99 | 1.27 | 1.05 | 53.5 | 2.1 | 0.98 |
Item #5 | 2000 | 2.25 | 1.22 | 0.59 | -0.70 | 38.2 | 5.3 | 1.48 |
Item #6 | 2000 | 1.43 | 0.77 | 2.11 | 4.89 | 69.7 | 1.0 | 0.59 |
Item #7 | 2000 | 1.49 | 0.84 | 1.89 | 3.50 | 67.7 | 1.2 | 0.70 |
Descriptive statistics of items in vaccinated group | ||||||||
Item #1 | 1347 | 2.85 | 1.19 | -0.04 | -0.87 | 17.4 | 8.4 | 1.43 |
Item #2 | 1347 | 2.84 | 1.25 | -0.04 | -1.07 | 19.5 | 8.3 | 1.55 |
Item #3 | 1347 | 1.54 | 0.83 | 1.73 | 2.95 | 62.8 | 1.0 | 0.70 |
Item #4 | 1347 | 1.8 | 0.98 | 1.15 | 0.76 | 50.3 | 1.8 | 0.96 |
Item #5 | 1347 | 2.29 | 1.19 | 0.47 | -0.8 | 35.3 | 4.3 | 1.42 |
Item #6 | 1347 | 1.43 | 0.73 | 1.89 | 3.71 | 68.7 | 0.4 | 0.54 |
Item #7 | 1347 | 1.49 | 0.82 | 1.77 | 2.85 | 67.1 | 0.7 | 0.67 |
Descriptive statistics of items in non-vaccinated group | ||||||||
Item #1 | 653 | 2.31 | 1.22 | 0.53 | -0.63 | 35.5 | 6.6 | 1.49 |
Item #2 | 653 | 2.59 | 1.37 | 0.26 | -1.20 | 32.2 | 10.6 | 1.88 |
Item #3 | 653 | 1.49 | 0.92 | 2.24 | 4.90 | 70.1 | 2.9 | 0.85 |
Item #4 | 653 | 1.68 | 1.00 | 1.52 | 1.76 | 60.2 | 2.8 | 1.01 |
Item #5 | 653 | 2.15 | 1.27 | 0.81 | -0.45 | 44.0 | 7.2 | 1.62 |
Item #6 | 653 | 1.43 | 0.84 | 2.38 | 6.03 | 71.7 | 2.1 | 0.71 |
Item #7 | 653 | 1.49 | 0.87 | 2.11 | 4.58 | 68.9 | 2.1 | 0.75 |