Table 3.

AVCS in subgroup divided based on ETS exposure characteristics

	AVCS a	AVCS = 0 b
ETS exposure based on SHSES
No	125.37 ± 198.36*	27/52.9*
Yes	318.29 ± 351.89	4/7.1
ETS exposure based on SHSES
No	125.37 ± 198.36**	27/52.9**
Low	206.59 ± 175.93	2/14.3
Medium	301.80 ± 430.16	1/4.6
High	452.70 ± 404.92	1/5.0
Exposure at home
No	141.10 ± 196.08*	30/47.6*
Yes	348.39 ± 381.98	1/2.3
Exposure in a car
No	147.14 ± 190.96*	29/41.4*
Yes	376.17 ± 407.74	2/5.4
Exposure in public places
No	141.82 ± 199.40*	28/47.5*
Yes	330.23 ± 372.61	3/6.2
Exposure at work
No	161.83 ± 253.33*	30/38.0*
Yes	408.35 ± 360.50	1/3.6

^a Arithmetic mean ± standard deviation

^b Number/percentages

* yes vs. no: p < 0.05; ** high vs. no and medium vs. no: p < 0.05