Items Spearman’s rho
1A 0.97
1B 0.97
1C 0.94
1D 0.95
1E 0.95
1F 0.88
2A 0.97
2B 0.94
2C 0.90
2D 0.95
2E 0.73
3 0.89
4 0.79
5 0.89
6 0.92
7 0.90
8 0.96
9 0.96
10A 0.94
10B 0.85
10C 0.84
10D 0.92
10E 0.76
10F 0.90
10G 0.83
Table 2: Test-retest reliability of the questionnaire using spearman’s correlation coefficient.