Table 1.

Sample Characteristics: NHATS Validation Study

Characteristic	Full Interview Sample (n = 326)	Reinterview Sample (n = 111)
	Percent (M)	Percent (M)
Age
65–74*	42.0	44.1
75–84	39.3	36.9
85+	18.7	18.9
Gender
Male	43.6	50.5
Female	56.4	49.5
Screened in based on needing assistance with personal care (bathing, dressing, getting around)	27.6	24.3
Lives in residential care setting	15.6	14.4
Frailty*
Not frail (0–2 frailty criteria met)	73.9	73.0
Frail (3–5 frailty criteria met)	26.1	27.0
Word recall*
10–17	35.0	35.1
7–9	31.6	31.5
0–6	33.4	33.3
Mean word recall	(7.9)	(8.1)
Mobility score*,†
10–12 (best performance)	31.3	30.6
6–9	44.5	41.4
0‡–5 (worst performance)	24.2	27.9
Mean mobility score	(7.5)	(7.3)

Notes: ^*Measured at initial interview.

^†Measured with the short physical performance battery.

^‡0 = unable to perform any of the tests.