Which group of the american population is more likely to have major depressive disorder?

Depression is a common mental disorder that presents with depressed mood. It can become chronic or recurrent and lead to substantial impairment in an individual's ability to function. At this level, it is identified as major depressive disorder (MDD). Depression and MDD occur across all racial and ethnicgroups.

6, 4, 5, 1 are true. the others are false.