Page 21 - GHES-2-4

Global Health Economics and
Sustainability
COVID-19 and the burden on healthcare workers

Appendix 2. (Continued)
Insomnia symptoms (insomnia severity index)
Over the last 2 weeks, please describe the severity of your None Mild Moderate Severe Very
insomnia. severe
7. To what extent do you consider your sleep problem to Not at all interfering 0 A little 1 Somewhat Much 3 Very much
CURRENTLY INTERFERE with your daily functioning (e.g., 2 interfering
daytime fatigue, mood, ability to function at work/daily chores, 4
concentration, memory, or mood)
Total =
Interpretation Total Score Severity
0 – 7 No clinically significant insomnia
8 – 14 Subthreshold insomnia
15 – 21 Clinical insomnia (moderate severity)
22 – 28 Clinical insomnia (severe)
Stress (perceived stress scale ‑ 10)
During the last month, how often have you felt or thought a Never Almost Sometimes Fairly often Very often
certain way never
1. How often have you been upset because of something that 0 1 2 3 4
happened unexpectedly?
2. How often have you felt that you were unable to control the 0 1 2 3 4
important things in your life?
3. How often have you felt nervous and stressed? 0 1 2 3 4
4. How often have you felt confident about your ability to handle 4 3 2 1 0
your personal problems?
5. How often have you felt that things were going your way? 4 3 2 1 0
6. How often have you found that you could not cope with all the 0 1 2 3 4
things that you had to do?
7. How often have you been able to control irritations in your life? 4 3 2 1 0
8. How often have you felt you were on top of things? 4 3 2 1 0
9. How often have you been angered because of things that happened 0 1 2 3 4
that were outside of your control?
10. How often have you felt difficulties were piling up so high that 0 1 2 3 4
you could not overcome them?
Total =
Interpretation Total score Stress severity
0 – 13 Low stress
14 – 26 Moderate stress
27 – 40 High perceived stress

Volume 2 Issue 4 (2024) 13 https://doi.org/10.36922/ghes.2530