Table 2: Reliability of FOSQ. Presented the coefficient-alpha with which each question individually contributed to the reliability of the subscale it describes.
|
Mean ± sd |
Corrected item-Total correl. |
Alpha-if item deleted |
General productivity |
|
Alpha = 0.7502 |
Standardized item alpha = 0.7646 |
Q1 |
3.2 ± 0.98 |
0.413 |
0.731 |
Q2 |
3.77 ± 0.73 |
0.336 |
0.743 |
Q3 |
2.56 ± 1.66 |
0.462 |
0.727 |
Q4 |
2.91 ± 1.37 |
0.467 |
0.720 |
Q8 |
3.03 ± 1.45 |
0.531 |
0.707 |
Q9 |
2.88 ± 1.51 |
0.529 |
0.707 |
Q10 |
3.63 ± 0.87 |
0.483 |
0.723 |
Q11 |
3.48 ± 0.85 |
0.456 |
0.727 |
Social outcome |
Alpha = 0.7644 |
Standardized item alpha = 0.7644 |
|
Q12 |
3.34 ± 0 .98 |
0.618 |
- |
Q13 |
3.38 ± 0.98 |
0.618 |
- |
Activity level |
Alpha = 0.8289 |
Standardized item alpha = 0.8582 |
|
Q5 |
3.12 ± 1.45 |
0.529 |
0.813 |
Q14 |
3.54 ± 0 .93 |
0.471 |
0.818 |
Q15 |
2.01 ± 1.78 |
0.429 |
0.836 |
Q16 |
2.7 ± 1.44 |
0.493 |
0.818 |
Q22 |
3.12 ± 1.03 |
0.685 |
0.797 |
Q23 |
3.08 ± 0.93 |
0.654 |
0.803 |
Q24 |
3.41 ± 0.89 |
0.651 |
0.804 |
Q25 |
2.89 ± 0 .83 |
0.645 |
0.806 |
Q26 |
2.75 ± 1.4 |
0.575 |
0.806 |
Vigilance |
Alpha = 0.7312 |
Standardized item alpha = 0.7970 |
|
Q6 |
2.79 ± 1.52 |
0.501 |
0.688 |
Q7 |
3.27 ± 2.93 |
0.29 |
0.799 |
Q17 |
2.43 ± 1.65 |
0.575 |
0.669 |
Q18 |
2.71 ± 1.64 |
0.589 |
0.666 |
Q19 |
2.92 ± 1.09 |
0.532 |
0.695 |
Q20 |
2.68 ± 1.6 |
0.427 |
0.703 |
Q21 |
2.9 ± 1.03 |
0.601 |
0.687 |
Intimate relationships and sexual activity |
Alpha = 0.9361 |
Standardized item alpha = 0.9370 |
|
Q27 |
3.15 ± 1.01 |
0.751 |
0.948 |
Q28 |
3.16 ± 0.99 |
0.871 |
0.908 |
Q29 |
3.35 ± 0.96 |
0.889 |
0.903 |
Q30 |
3.35 ± 0.96 |
0.889 |
0.903 |