Table 2.
Item no. | mean | SD | Item-total correlation | Cronbach’s alpha | Test–Retest Reliability | |
---|---|---|---|---|---|---|
ICC | 95% CI | |||||
Factor 1 | 0.95 | 0.88 | 0.31-0.93 | |||
s7 | 3.29 | 0.76 | 0.79 | |||
s8 | 3.31 | 0.78 | 0.80 | |||
s9 | 3.41 | 0.74 | 0.79 | |||
s10 | 3.26 | 0.80 | 0.77 | |||
s11 | 3.07 | 0.83 | 0.75 | |||
s12 | 3.01 | 0.85 | 0.74 | |||
Factor 2 | 0.93 | 0.43 | -0.77-0.82 | |||
s15 | 3.27 | 0.88 | 0.78 | |||
s16 | 3.20 | 0.89 | 0.67 | |||
s17 | 3.47 | 0.77 | 0.79 | |||
s18 | 3.51 | 0.80 | 0.66 | |||
s19 | 3.48 | 0.73 | 0.79 | |||
s20 | 3.52 | 0.74 | 0.77 | |||
s21 | 3.45 | 0.75 | 0.77 | |||
Factor 3 | 0.93 | 0.54 | -0.45-0.85 | |||
s22 | 3.96 | 0.75 | 0.48 | |||
s23 | 4.03 | 0.73 | 0.43 | |||
s24 | 4.12 | 0.79 | 0.39 | |||
s25 | 3.92 | 0.74 | 0.48 | |||
s26 | 3.95 | 0.74 | 0.57 | |||
s27 | 4.09 | 0.69 | 0.45 | |||
Factor 4 | 0.94 | 0.55 | -0.42-0.85 | |||
s1 | 3.47 | 0.72 | 0.74 | |||
s2 | 3.39 | 0.76 | 0.79 | |||
s3 | 3.42 | 0.71 | 0.76 | |||
s4 | 3.39 | 0.73 | 0.71 | |||
s5 | 3.25 | 0.77 | 0.71 | |||
s6 | 3.38 | 0.74 | 0.75 | |||
s13 | 3.47 | 0.75 | 0.77 | |||
s14 | 3.41 | 0.76 | 0.79 | |||
Total | 0.96 |
Abbreviations: ICC intra-class correlation; SD Standard deviation