Zarit Burden Interview – ZBI
Measures the subjective burden experienced by caregivers of chronically ill or disabled individuals.
Scale Development & Technical Details
Scale Overview
The Zarit Burden Interview – ZBI was developed by Steven H. Zarit, Karen E. Reever, Julie Bach-Peterson (1980). It is designed to measure Caregiver Burden. The scale is intended for use with Informal caregivers of elderly or disabled relatives.
Scale Structure
This instrument consists of 22 items.
Response Format
Respondents rate each item using a custom response format.
Response anchors: 0 = Never, 1 = Rarely, 2 = Sometimes, 3 = Quite frequently, 4 = Nearly always.
Scoring
Items are summed to produce a total score.
Total scores range from 0 to 88. Interpretation guidelines:
- Little or no burden: 0 – 20
- Mild to moderate burden: 21 – 40
- Moderate to severe burden: 41 – 60
- Severe burden: 61 – 88
Administration
The scale is self-administered and typically takes approximately 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.