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