Table 1.

Summary of TVOC exposure concentrations and HRV parameters.

	n a	Mean ± SD b	CV (%) c
TVOC exposure concentration (μg/m3)
Total	7	176 ± 130	74
Home	7	299 ± 267	89
Office	6	99 ± 21	21
Other indoor	5	197 ± 118	60
Outdoor	6	154 ± 72	47
HRV
HF (msec2)	7	104.2 ± 89.0	85
LF/HF	7	15.3 ± 19.0	124

^aSample size

^bStandard deviation

^cCoefficient of variance