Table B.1.

Biomarkers of Autonomic Dysfunction^a

Index/Periodb	n	Mean	SD	Min	Median	Max	% BDLc
HR (bpm)
Pre-Olympics	239	67	10	47	66	106	0.00
During-Olympics	234	66	9	44	66	93	0.00
Post-Olympics	247	66	9	45	65	97	0.00
HR Variability
HF (ms2)
Pre-Olympics	235	859.8	789.6	8.1	611.8	4082.5	0.00
During-Olympics	233	805.2	695.3	28.3	574.2	4069.5	0.00
Post-Olympics	246	880.2	736.5	14.7	693.4	4617.9	0.00
LF (ms2)
Pre-Olympics	235	613.2	498.8	62.0	500.0	3476.4	0.00
During-Olympics	233	518.2	389.6	61.2	405.8	2590.1	0.00
Post-Olympics	246	529.8	430.5	7.3	414.5	3965.4	0.00
LF/HF
Pre-Olympics	235	1.2	1.2	0.1	0.8	8.8	0.00
During-Olympics	233	1.0	0.9	0.1	0.7	6.5	0.00
Post-Olympics	245	0.9	1.0	0.1	0.6	7.2	0.00
rMSSD (ms)
Pre-Olympics	239	70	66	6	53	568	0.00
During-Olympics	235	68	65	7	52	658	0.00
Post-Olympics	247	63	58	16	50	651	0.00
SDNN (ms)
Pre-Olympics	239	68	40	21	58	311	0.00
During-Olympics	235	68	52	22	56	542	0.00
Post-Olympics	247	65	38	20	54	349	0.00
VLF (ms2)
Pre-Olympics	235	841.9	637.3	73.4	699.8	5324.1	0.00
During-Olympics	233	764.5	630.1	84.2	591.9	4908.3	0.00
Post-Olympics	246	874.5	730.7	28.5	664.6	4910.8	0.00
Total power (ms2)
Pre-Olympics	235	2383.5	1390.6	206.8	2123.6	6845.4	0.00
During-Olympics	233	2155.0	1250.3	440.1	1835.6	6755.4	0.00
Post-Olympics	246	2343.7	1369.1	52.0	2014.0	8335.6	0.00
Blood Pressure
DBP (mmHg)
Pre-Olympics	248	61	6.6	44	60	80	0.00
During-Olympics	249	60	6.8	39	59	81	0.00
Post-Olympics	247	62	7.8	42	61	88	0.00
SBP (mmHg)
Pre-Olympics	248	105	10.0	79	105	134	0.00
During-Olympics	249	103	10.2	75	103	136	0.00
Post-Olympics	247	107	10.8	82	105	140	0.00

^aData were not adjusted for repeated-measure structure or covariates.

^bPre-Olympic period: 06/10 to 07/07/2008; during-Olympic period: 08/04 to 08/29/2008; and post-Olympic period: 10/06 to 10/30/2008.

^cBDL indicates below detection limit.