. Author manuscript; available in PMC: 2020 Sep 1.

Published in final edited form as: Exp Gerontol. 2019 May 30;124:110622. doi: 10.1016/j.exger.2019.05.011

Table 1.

Demographic Characteristics of Study Sample

Characteristic	NHBs N= 83	NHWs N= 79	x² or F-value	p
Male (N, %)	36 (43.4)	27 (34.2)	1.44	0.23
Female (N, %)	47 (56.6)	52 (65.8)

UF Site (N, %)	50 (60.24)	53 (67.1)	0.82	0.37
UAB Site (N, %)	33 (39.8)	26 (32.9)

Age (M±SD)	58.04 ± 5.63	61.47 ± 7.63	10.69	0.001

SES Index	−0.26	0.28	16.69	0.001

KL Score (Index			7.98	0.09
Knee)
0	25 (30.1)	19 (24.1)
1	7 (8.4)	19 (24.1)
2	17 (20.5)	13 (16.5)
3	15 (18.1)	14 (17.78)
4	18 (21.7)	12 (15.2)

BMI (kg/m²)	32.02 ± 6.92	31.00 ± 7.48	0.81	0.37

WOMAC	8.8 ± 3.89	6.29 ± 4.16	14.65	0.0002