. Author manuscript; available in PMC: 2017 Apr 1.

Published in final edited form as: J Aging Phys Act. 2015 Sep 15;24(2):214–222. doi: 10.1123/japa.2015-0104

Table 3.

Sensitivity, Specificity, and Likelihood Ratios for <8,000 steps per day

	SSWS	MWS
AUC	0.71	0.72
AUC	(0.58, 0.84)	(0.60, 0.85)

Cutpoint (m/s)	≤0.97	≤1.39

Sensitivity	44.2%	60.5%
Sensitivity	(29.4, 60.0)	(44.5, 74.6)

Specificity	95.7%	78.3%
Specificity	(76.0, 100.0)	(55.8, 91.7)

+LR	10.28	2.79
+LR	(1.45, 71.15)	(1.23, 6.27)

−LR	0.58	0.50
−LR	(0.45, 0.76)	(0.34, 0.75)

Abbreviations: SSWS, self-selected walking speed; MWS, maximal walking speed; AUC, area under the receiver operating characteristic curve; m/s, meters per second; +LR, positive likelihood ratio; −LR, negative likelihood ratio