Table 4.

EMA items of the negative affect score

Construct	Reference	Item	Answers (0–100)
Negative affect score
Depression	Patient-reported outcomes measurement information system (PROMIS emotional distress—depression—short-form, PROMIS-DEP)	Since the last beep I felt worthless	Never—sometimes—always
		Since the last beep I felt helpless	Never—sometimes—always
		Since the last beep I felt depressed	Never—sometimes—always
		Since the last beep I felt hopeless	Never—sometimes—always
Anxiety	Patient-reported outcomes measurement information system (PROMIS emotional distress—anxiety—short-form, PROMIS-ANX)	Since the last beep I felt fearful	Never—sometimes—always
		Since the last beep I found it hard to focus on anything other than my anxiety	Never—sometimes—always
		Since the last beep I felt worried	Never—sometimes—always
		Since the last beep I felt uneasy	Never—sometimes—always
Anger	Patient-reported outcomes measurement information system (PROMIS emotional distress—anger—short-form)	Since the last beep I was irritated more than people knew	Never—sometimes—always
		Since the last beep I felt angry	Never—sometimes—always
		Since the last beep I felt like I was ready to explode	Never—sometimes—always
		Since the last beep I was grouchy	Never—sometimes—always
		Since the last beep I felt annoyed	Never—sometimes—always
Experiential avoidance	Self-developed	Since the last beep I was upset and concerned about my feelings or thoughts	Never—sometimes—always
		Since the last beep I tried hard to get rid of my feelings or thoughts	Never—sometimes—always
Pessimism	Skala optimismus-pessimismus-2 (SOP2)	Currently I am pessimistic	Not at all—absolutely
Mood awake–sleepy	6-item short-form of the Multidimensional mental-state questionnaire (MDBF)	At the moment I feel…	Tired—awake
			Full of energy—shiftless
Negative thoughts	Self-developed	Since the last beep I thought about negative or unpleasant things	No negative thoughts—frequently negative thoughts