Web-based Support to Caregivers in Heart Failure

Total score of the Preparedness for Caregiving Scale including 8 items, min score 0, max score 32, higher score indicate better preparedness

Total score of the Rewards of Caregiving Scale including 10 items, min score 0, max score 40, higher score indicate better Rewards of caregiving

Total score of the Caregiver Competence Scale, including 4 item, min score 0, max score 12, higher score indicate better Caregiver Competence

Total score and subscales of the Heart Failure-Caregiver Questionnaire including 21 item in three domains, namely physical (five items), emotional/psychological (11 items) and lifestyle (four items and one stem item). Items are scored on a severity response scale ranging from 'Not at all = 0' to 'A lot = 4'. The total score was the average of the sum of the three domain scores calculated from sum of scores for items answered/total possible score of items answered x 100. The minimum and maximum scores ranged between 0 and 100.Higher score indicate higher caregiver burden.

Total score of the Control Attitude scale- caregiver version 4 item, min score 4, max score 28, higher score indicate better perceived control

Total score of the the Preparedness for Caregiving Scale including 8 items, min score 0, max score 32, higher score indicate better preparedness

Revised Dutch heart failure knowledge scale with 3 subscales: 1. Knowledge subscale 15 items, min score 0 max score 15, higher score indicate better heart failure knowledge. 2. Trust in own HF knowledge subscale 3 items, min score 3 max score 15, higher score indicare better trust. 3. Health literacy subscale 3 items, min score 3 max score 15, higher score indicare better health literacy.

European Self-care Behaviour Scale - caregiverversion 7 items, Score from 0-100, higher score better support for self-care

The Minimal Insomnia Symptom Scale (MISS) is an insomnia-screening tool consisting of 3 items, with 5 response categories (no, minor, moderate, severe and very severe problems), which are scored 0-4, respectively adding up to a total score with a min score of 0, max score of 12, higher score indicate more insomnia and poorer sleep.

Multidimensional Scale of Perceived Social Support, 12 items. Each item is rated on a seven-point Likert-type response format (1 = very strongly disagree; 7 = very strongly agree). A total score is calculated by summing the results for all items. The possible score range is between 12 and 84, the higher the score the higher the perceived social support.

Hospital anxiety and depression scale, 7 items for anxiety and 7 items for depression. Min score 0 and max score 21 for each scale, Higher score indicate more symptoms of anxiety and depression

EuroQol EQ-5D 5 level, index and VAS 0-100, higher score indicate better health