. 2016 May 18;11(5):e0152071. doi: 10.1371/journal.pone.0152071

Table 2. Unadjusted correlation analyses.

	WS	CAR	Cort Awak.	Age	BMI	SES	Physical Act.	Smoking	PSS	Stress _DayBefore	Stress _SameDay	Sleep quality	Awak. time
WS	--
CAR	-0.223^*
Cort Awak.	-0.142	0.187^#
Age	0.279^*	-0.081	-0.216^*
BMI	0.166	-0.184^#	0.067	0.190^#
SES	-0.227^*	-0.120	0.140	-0.166	-0.118
Physical Act.	-0.365^*	0.021	0.088	-0.197^#	-0.210^#	0.003
Smoking	-0.031	-0.073	-0.056	0.012	-0.094	-0.140	0.071
PSS	0.242^*	-0.025	0.064	-0.007	0.267^*	-0.113	-0.174	0.024
Stress_DayBefore	0.034	-0.119	0.031	-0.219^*	-0.264^*	-0.026	0.038	0.159	0.148
Stress_SameDay	0.041	0.008	-0.045	-0.190^#	-0.137	-0.111	0.093	-0.020	0.217^*	0.646^*
Sleep quality	-0.143	-0.070	-0.076	-0.226^*	-0.185^#	0.162	-0.097	0.035	-0.179^#	0.255^*	0.163
Awak. time	0.077	-0.011	0.318^*	-0.023	0.023	0.066	0.040	0.184^#	0.143	0.008	-0.063	-0.013
Mean sleep time	-0.002	0.058	0.249^*	0.016	-0.016	0.080	0.039	0.054	-0.028	0.053	-0.076	-0.153	0.677^*

WS: Walking speed; CAR (calculated as the AUCi using cortisol levels on awakening, +30min and +45min): Cortisol awakening response; Cort. Awak.: Cortisol awakening; BMI: Body Mass Index; SES: Subjective socioeconomic status; Physical Act.: Physical Activity; PSS: Perceived Stress Scale; Awak. time: Awakening time.

*p<0.05

^#p<0.10.