Objective. To examine the possible association between satisfaction with nursing support and the risk of caregiver strain in informal carers in four Basic Health Areas in Barcelona from 2001 to 2002. Method. An observational, descriptive, cross-sectional study was performed. Subjects were 65 informal carers of both sexes of individuals aged 65 years or older with chronic or terminal diseases, or dementia. Carer-related variables were: age, gender, family relationship with the patient, degree of burden, risk of abandonment, and satisfaction with nursing support.