Table 5.

Thematic analysis – perceived acceptance and adherence towards the treatment.

Acceptance
Themes	Subthemes	Codes	Amount
Quality of information	Background Information	More explanations More sources	1 4
	Credibility	Alternative medicine	1
Perceived usability	Duration of the sessions	Extended length Variability of length	3 3
	Treatment structure	Skipping between sessions Adaptability of session-order Overseeability	3 2 3
Personal relevance	Fitting to needs	Specific strategies Emotion-focused sessions	7 2
	Familiarity of Information	Much novel Information Some things familiar through Interest Familiar through psychology courses	4 2 2
Perceived utility	Reasons for lack of improvement	Lack of time Prevention High workload Diffuseness of perceived stress	2 1 1 1
Perceived support	Need for direct communication	Anonymity reduction Need for content-related support	1 2
	Additional stress	Stress through reminders	2

Adherence
Themes	Subthemes	Codes	Amount
Thoroughness of task-completion	Motivational factors	Lacking sense of relevancy Disinclination to write	3 2
	Non-motivational factors	Lack of ideas Problems of comprehension Time pressure	4 1 2
Abidance of instructions	Implementation	Integration in daily routine Implementing everything Setting as hindrance	4 1 1
Regularity of task-completion	Integration	Problems with time schedule Interrupted treatment routine	3 1
Media utilization	SMS Coach	Forgotten existence Unnoticed	3 1

Abbreviations: Amount = number of participants having mentioned code at least once.