Table 3.

Sample characteristics.

Characteristic	Mean (SD)/Freq(%)
Age	81.02 (8.19)
Female	160,053 (65.42)
Race
Caucasian	207,767 (87.06)
African American	18,833 (7.89)
Hispanic	8,146 (3.41)
Other*	3,915 (1.64)
Married	80,770 (33.65)
Depressed (PHQ9 ≥ 10)	17,361 (7.11)
Cognitive Impairment
Intact (BIMS Score 13–15)	153,540 (62.91)
Moderate (BIMS Score 8–12)	57,274 (23.47)
Severe (BIMS Score 0–7)	33,253 (13.62)
Function (MDS ADL Long Form Score 0–28)	16.63 (4.63)

Note. Sample sizes do not always equal 244,718 due to missing data.

^*Includes Asian, Native Hawaiian or Other Pacific Islander, American Indian or Alaska Native, or multiracial.