Evaluation of a Personcentered Internet-based CBT Program for Stress, Anxiety and Depressive Symptoms in Patients With Cardiovascular Disease

Change in stress from baseline to 9 weeks on the 10 item Perceived Stress Scale

The 10-item Perceived Stress Scale is a valideted self-report of Stress. The instreument measures the degree to which individuals perceives their life situations as stressful. The 10 items are rated on a 5 point scale and higher scores means more stress

Time frame: From baseline to 9 weeks at the end of the intervention.

Change in anxiety from baseline to 9 weeks on the 7-item Generalized Anxiety Disorder Scale.

General Anxiety Disorder scale is validagted self-resport that measure symptoms of general anxiety during the last two weeks. The 7-items range from 0 (not bothered at all) to 3 (nearly every day). A higher score indicate more anxiety and the cut-off 5 suggests at least mild anxiety.

Time frame: From baseline to 9 weeks at the end of the intervention.

Change in depressive symptoms from baseline to 9 weeks on the 9 item Patient Health Questionnaire.

The 9-item Patient Health Questionnaire is a validated self-report that measure depressive symtpoms during the last two weeks. Each item is answered on a four graded scale where 0 means that the person not is affected and 3 where the person is affected several Days to almost every day. Higher numbers represents higher levels of depressive symptoms. A cut-off \>5 represents at least mild depression.

Time frame: From baseline to 9 weeks at the end of the intervention.