According to the 2004 NNHS, an estimated .83 million (CI=.82–.85) elderly nursing home residents received at least one psychotropic medication, for an overall prevalence of 63.2% (CI=62.2%–64.2%). As reported in Figure 1, antidepressant agents were the most prescribed psychotropic class (46.2% of all elderly nursing home residents), followed by antipsychotics (24.8%) and anxiolytics (12.6%).