:A cross sectional study was conducted in five major hospitals in Sarawak, Malaysia,from June until December 2011. The objectives were to determine the quality of life among informal primary caregiversof elderly diagnosed with dementia and its associated factors.The respondents were informal primary caregivers of dementia patients who were on follow-up at the psychiatric clinic in five selected hospitals. They were recruited purposively from a list of elderly dementia cases. Guided interview was carried out either during clinic appointment or home visit for those who were not present during clinic follow-up. A set of questionnaire including socio-demographic characteristics, caregiving characteristics, patient characteristicsand SF 36 questionnaire for measurement of quality of life was administered.