RESEARCH ON THE BURDEN OF CAREGIVERS WHO PROVIDE DIRECT CARE FOR THE VICTIMS OF AGENT ORANGE / DIOXIN AT DANANG CITY IN 2014 AND SOME RELATED FACTORS This study was conducted among 500 primary caregivers who provide direct care for the victims of Agent Orange / dioxin with severe psychological disorders or disability and do not care for themselves at Danang city in 2014, the results showed that: - According to the Zarit Burden Interview scale (ZBI), there were 24.4% of caregivers who have severe burden level, 43.6% moderate burden and 32.0% mild burden.