. Author manuscript; available in PMC: 2015 Sep 1.

Published in final edited form as: Air Qual Atmos Health. 2014 Feb 22;7(3):357–367. doi: 10.1007/s11869-014-0244-0

Table 4.

Change in each outcome associated with each IQR increase in ambient temperature, by moving average of time before outcome measurement was made.

	Biomarkers and moving averages evaluated	N Subjects (Subject-Visits)	IQR (°C)	Change in Biomarker	95% CI
PRE-EXERCISE RESTING PERIOD	QTc (ms)
	0–5	76 (1263)	17.4	2.10	−1.69, 5.89
	0–23		17.4	2.23	−1.86, 6.32
	0–47		17.3	1.62	−2.76, 6.00
	0–71		17.4	2.36	−2.38, 7.10
	0–95		17.6	3.06	−2.03, 8.15
	0–167 (1 week)		17.6	3.40	−2.48, 9.29
	0–503 (3 weeks)		17.6	6.80	−1.6, 15.21

	TpTe (ms)
	0–5	76 (1253)	17.4	0.89	−0.74, 2.52
	0–23		17.4	1.12	−0.65, 2.88
	0–47		17.3	0.95	−0.94, 2.84
	0–71		17.4	0.48	−1.56, 2.53
	0–95		17.6	0.43	−1.77, 2.63
	0–167 (1 week)		17.6	1.70	−0.83, 4.23
	0–503 (3 weeks)		17.6	1.79	−1.82, 5.41

WOHLE SESSION	MeanNN(ms)
	0–5	76 (1359)	17.4	−6.83	−17.74, 4.08
	0–23		17.4	−8.56	−20.37, 3.24
	0–47		17.3	−4.53	−17.18, 8.13
	0–71		17.4	−4.54	−18.21, 9.14
	0–95		17.6	−4.01	−18.77, 10.74
	0–167 (1 week)		17.6	−4.26	−21.39, 12.86
	0–503 (3 weeks)		17.6	−4.43	−28.86, 20.00

	SDNN(ms)
	0–5	76 (1357)	17.4	0.28	−4.62, 5.18
	0–23		17.4	0.79	−4.52, 6.09
	0–47		17.3	2.58	−3.10, 8.26
	0–71		17.4	2.65	−3.49, 8.78
	0–95		17.6	3.15	−3.47, 9.77
	0–167 (1 week)		17.6	6.06	−1.61, 13.74
	0–503 (3 weeks)		17.6	7.50	−3.46, 18.45

	HRT(ms/RR)^a
	0–5	76 (504)	17.4	−0.41	−1.59, 0.77
	0–23		17.4	−0.63	−1.90, 0.64
	0–47		17.3	−0.60	−1.94, 0.74
	0–71		17.4	−1.23^†	−2.68, 0.23
	0–95		17.6	−1.60^*	−3.16, −0.05
	0–167 (1 week)		17.6	−1.45	−3.29, 0.39
	0–503 (3 weeks)		17.6	−0.73	−3.39, 1.94

	DC(ms)
	0–5	76 (1314)	17.4	−0.29^**	−0.46, −0.11
	0–23		17.4	−0.32^**	−0.51, −0.13
	0–47		17.3	−0.34^**	−0.54, −0.14
	0–71		17.4	−0.35^**	−0.57, −0.13
	0–95		17.6	−0.32^**	−0.56, −0.08
	0–167 (1 week)		17.6	−0.25^†	−0.52, 0.03
	0–503 (3 weeks)		17.6	−0.40^*	−0.79, −0.01

	rMSSD (ms)
	0–5	76 (1353)	17.4	−11.48^**	−16.98, −5.98
	0–23		17.4	−12.81^**	−18.76, −6.86
	0–47		17.3	−9.99^**	−16.39, −3.59
	0–71		17.4	−7.78^*	−14.7, −0.86
	0–95		17.6	−6.78^†	−14.25, 0.69
	0–167 (1 week)		17.6	−3.48	−12.15, 5.19
	0–503 (3 weeks)		17.6	−0.03	−12.41, 12.35

Note: Since HRT is measured only when premature ventricular contractions (PVC) occur, these analyses include only those subject-visits with 1 or more PVCs.

^†

p<0.10

p<0.05

^**

p<0.01