Table 2 Means, standard deviations, floor and ceiling percentages, skewness, kurtosis, and I-T correlation of the Japanese version of the Barriers Questionnaire-II (total sample)
No | Items | Mean(SD) | Floor (%) | Celling (%) | Skewness | Kurtosis | I-Ta correlation | |
|---|---|---|---|---|---|---|---|---|
1 | Fatalism 1 | 0.97 | (0.94) | 38.33 | 1.67 | 0.74 | 0.22 | 0.27** |
2 | Harmful Effects: Addiction 1 | 2.81 | (1.42) | 7.50 | 10.00 | − 0.43 | − 0.66 | 0.48** |
3 | Physiological Effects: SE1 (Drowsiness) | 2.78 | (1.36) | 8.33 | 7.50 | −0.49 | −0.45 | 0.32** |
4 | Harmful Effects: Immune system 1 | 2.23 | (1.51) | 21.67 | 4.17 | −0.20 | −1.11 | 0.69** |
5 | Physiological Effects: SE2 (Confusion) | 2.23 | (1.46) | 19.17 | 4.17 | −0.17 | − 0.97 | 0.71** |
6 | Physiological Effects: Tolerance 1 | 3.21 | (1.31) | 4.17 | 12.50 | −0.81 | 0.02 | 0.61** |
7 | Physiological Effects: Monitor 1 | 2.64 | (1.52) | 11.67 | 11.67 | −0.23 | −0.90 | 0.61** |
8 | Fatalism 2 | 1.33 | (1.28) | 28.33 | 5.00 | 1.23 | 1.47 | 0.11 |
9 | Harmful Effects: Addiction 2 | 2.55 | (1.46) | 14.17 | 6.67 | −0.36 | −0.76 | 0.57** |
10 | Physiological Effects: SE3 (Nausea) | 1.98 | (1.32) | 15.83 | 3.33 | 0.16 | −0.67 | 0.44** |
11 | Communication: Be good 1 | 1.32 | (1.61) | 50.00 | 6.67 | 0.92 | −0.38 | 0.41** |
12 | Communiation: Distract MD 1 | 0.74 | (1.18) | 62.50 | 1.67 | 1.65 | 2.11 | 0.48** |
13 | Harmful Effects: Immune system 2 | 2.10 | (1.52) | 23.33 | 5.00 | −0.04 | −1.10 | 0.69** |
14 | Physiological Effects: SE4 (Embarrassment) | 0.79 | (1.10) | 56.67 | 0.83 | 1.31 | 1.02 | 0.48** |
15 | Physiological Effects: Tolerance 2 | 2.53 | (1.48) | 12.50 | 8.33 | −0.19 | −0.90 | 0.59** |
16 | Physiological Effects: Monitor 2 | 2.37 | (1.47) | 15.83 | 6.67 | −0.16 | − 0.87 | 0.68** |
17 | Physiological Effects: SE5 (Constipation) | 1.90 | (1.48) | 25.00 | 5.83 | 0.25 | −0.81 | 0.57** |
18 | Communication: Distract MD 2 | 0.86 | (1.23) | 56.67 | 2.50 | 1.51 | 1.81 | 0.54** |
19 | Harmful Effects: Immune system 3 | 1.85 | (1.48) | 27.50 | 4.17 | 0.20 | −0.99 | 0.70** |
20 | Physiological Effects: SE6 (general item) | 1.52 | (1.49) | 35.83 | 5.00 | 0.64 | −0.61 | 0.43** |
21 | Physiological Effects: Tolerance 3 | 1.76 | (1.50) | 25.83 | 5.00 | 0.47 | −0.84 | 0.72** |
22 | Physiological Effects: Monitor 3 | 2.36 | (1.58) | 17.50 | 10.00 | −0.04 | −1.06 | 0.78** |
23 | Harmful Effects: Addiction 3 | 2.54 | (1.51) | 12.50 | 9.17 | −0.19 | − 0.94 | 0.74** |
24 | Fatalism 3 | 1.05 | (1.15) | 35.83 | 3.33 | 1.62 | 3.15 | 0.14 |
25 | Communication: Be good 2 | 0.91 | (1.27) | 57.50 | 0.83 | 1.20 | 0.31 | 0.53** |
26 | Communication: Distract MD 3 | 0.68 | (1.04) | 60.83 | 0.83 | 1.74 | 3.00 | 0.51** |
27 | Communication: Be good 3 | 1.21 | (1.45) | 46.67 | 2.50 | 1.00 | −0.16 | 0.32** |
28 | Disease Progression 1 | 3.30 | (1.26) | 3.33 | 18.33 | −0.64 | 0.15 | 0.25** |
29 | Disease Progression 2 | 3.40 | (1.18) | 1.67 | 20.00 | −0.55 | 0.11 | 0.36** |
30 | Disease Progression 3 | 3.24 | (1.15) | 0.83 | 15.00 | −0.32 | −0.27 | 0.37** |