�����ƽ��

Respondents were asked, “Are you deaf or do you have serious difficulty hearing?” (hearing); “Are you blind or do you have serious difficulty seeing, even when wearing glasses?” (vision); “Because of a physical, mental, or emotional condition, do you have serious difficulty concentrating, remembering, or making decisions?” (cognitive); “Do you have serious difficulty walking or climbing stairs?” (mobility); “Do you have difficulty dressing or bathing?” (self-care); and “Because of a physical, mental, or emotional condition, do you have difficulty doing errands alone such as visiting a doctor’s office or shopping?” (independent living). Respondents who refused to answer, reported “don’t know,” and had other missing responses were excluded from the analyses.

Respondents reported being either “employed for wages” or “self-employed” at the time of the interview, excluding active duty military or those missing information for occupation.