ICBT for Psychological Symptoms Related to the COVID-19 Pandemic Remaining After Societal Opening

Measure of depressive symptoms. Range for the total sum is between 0 and 63 with a higher score indicating a higher level of depressive symptoms. Clinical ranges for minimal, mild, moderate and severe major depressive disorder are considered to be 0-13, 13-19, 20-28, and 29-63 points respectively.

Measure of anxiety symptoms and worry. When summing the points of the seven first questions, the scores are interpreted as mild, moderate and severe anxiety symptoms at 5-10, 11-15 and above 15 respectively.

A questionnaire that aims to measure symptoms of stress. I contains 14 items that are scored on a range betewwn 0 (never) to 4 (very often). The total score range is between 0-56 and a higher score reflects higher levels of perceived stress.

Measure of insomnia severity and symptoms of disordered sleep. Norm score ranges include low likelihood of sleep problems (0 to 7 points), some sleep problems (8 to 14 points), moderate sleep problems (15 to 21 points), severe sleep problems (22 to 28 points).

Measure of health anxiety, short version, with 14 items which are answered on a scale 0-3. This gives a total scare range of 0-42, where 0-14 indicate low probability of health anxiety, 15-17 is a grey zone and points over 18 indicates high probability for health anxiety.

A 10-item screening tool to assess alcohol consumption, drinking behaviors, and alcohol-related problems. 10 items and scores ranging from 0-40 with higher scores indicating a higher level of alcohol use.

A questionnaire aiming to measure fatigue and exhaustion. Maximum score is 54 and people scoring higher than 18 points are considered as being at risk for exhaustion syndrome.

A short version of Impact of Event Scale-R (IES-R), which assesses subjective distress caused by potentially traumatic events. It yields a total score between 0-24 with a higher score indicating more severe distress caused by the traumatic events.

A short version of the UCLA loneliness scale, aiming to measure with three questions, for example "How often do you feel left out?" and are answered on a scale ranging from 1 (hardly ever) to 3 (often). People who gets the score 3-5 have been grouped as not lonely, while score 6-9 has been grouped as lonely.

Measure of quality of life with a total score ranging from 0 to 96 with a higher score indicating a higher quality of life. The scores of each of the six primary questions regarding perceived quality of life within an area of life are multiplied with the score of an item measuring the perceived importance of the area in question.

The measure contains 25 questions and are aiming to measure the experience of the frequency of misstakes one does in the every day life because of problems with attention, memory, and emotion regulation. Maximum score are 100, where higher score mirrors experienced problems to a greater extent.

A measure aiming to measure distress related to the individual's economic situation. It contains of eight questions where the respondent gets to answer on a scale from 1 to 10.

Knowledge test about cognitive behavior therapy and how strategies in cognitive behavior therapy can be applied in every day situations. It consists of 16 questions and the respondent gets three answer options while one of the alternatives are correct. The respondent also gets to answer how confident he/she is about the answer (I'm guessing, I'm pretty certain, I'm quite certain).