1. Older people with mental retardation were more likely to experience a lower
perceived quality of life than younger people (t= -2.81; p= .007).
2. Older people with mental retardation were more likely to experience a lower
perceived independence level than younger people (t= -3 .44; p= .001).
3. Older people with mental retardation were more likely to experience a lower
perceived level of integration into their communities than younger people