. Author manuscript; available in PMC: 2012 Oct 12.

Published in final edited form as: IIE Trans Healthc Syst Eng. 2011 Oct 12;1(2):131–143. doi: 10.1080/19488300.2011.609524

Table 4.

Comparison and correlations of different workload measures

	MD	PD	TD	EF	PE	FR	OW	RSME	PWS	NPR	NAS	NAS MAX
MD	1
PD	.38^**	1
TD	.65^**	.43^**	1
EF	.72^**	.53^**	.73^**	1
PE	.02	−.08	−.13^*	−.04	1
FR	.29^**	.32^**	.46^**	.43^**	−.36^**	1
OW	.78^**	.69^**	.83^**	.87^**	.03	.62^**	1
RSME	.61^**	.47^**	.68^**	.76^**	−.04	.44^**	.77^**	1
PWS	.65^**	.54^**	.75^**	.71^**	−.16^**	.51^**	.81^**	.74^**	1
NPR	−.02	.02	.15^**	.11	−.13^*	.18^**	.10	.05	.10	1
NAS	.28^**	.37^**	.41^**	.40^**	−.08	.31^**	.45^**	.39^**	.42^**	.57^**	1
NAS MAX	.37^**	.38^**	.43^**	.44^**	−.01	.23^**	.48^**	.43^**	.42^**	.13^*	.81^**	1

Correlation is significant at the 0.05 level,

^**

is significant at the 0.01 level