Table A2.

Core Symptoms (BAT-C).

	Never	Rarely	Sometimes	Often	Always
Exhaustion
1. At work, I feel mentally exhausted	☐	☐	☐	☐	☐
2. Everything I do at work requires a great deal of effort	☐	☐	☐	☐	☐
3. After a day at work, I find it hard to recover my energy	☐	☐	☐	☐	☐
4. At work, I feel physically exhausted	☐	☐	☐	☐	☐
5. When I get up in the morning, I lack the energy to start a new day at work	☐	☐	☐	☐	☐
6. I want to be active at work, but somehow, I am unable to manage	☐	☐	☐	☐	☐
7. When I exert myself at work, I quickly get tired	☐	☐	☐	☐	☐
8. At the end of my working day, I feel mentally exhausted and drained	☐	☐	☐	☐	☐
Mental distance
9. I struggle to find any enthusiasm for my work	☐	☐	☐	☐	☐
10. At work, I do not think much about what I am doing and I function on autopilot	☐	☐	☐	☐	☐
11. I feel a strong aversion towards my job	☐	☐	☐	☐	☐
12. I feel indifferent about my job	☐	☐	☐	☐	☐
13. I’m cynical about what my work means to others	☐	☐	☐	☐	☐
Cognitive impairment
14. At work, I have trouble staying focused	☐	☐	☐	☐	☐
15. At work I struggle to think clearly	☐	☐	☐	☐	☐
16. I’m forgetful and distracted at work	☐	☐	☐	☐	☐
17. When I’m working, I have trouble concentrating	☐	☐	☐	☐	☐
18. I make mistakes in my work because I have my mind on other things	☐	☐	☐	☐	☐
Emotional impairment
19. At work, I feel unable to control my emotions	☐	☐	☐	☐	☐
20. I do not recognize myself in the way I react emotionally at work	☐	☐	☐	☐	☐
21. During my work I become irritable when things don’t go my way	☐	☐	☐	☐	☐
22. I get upset or sad at work without knowing why	☐	☐	☐	☐	☐
23. At work I may overreact unintentionally	☐	☐	☐	☐	☐