Table 1.

Sample sizes for data examined in study.

Treatment	Females (Total, AM/PM)	Males (Total, AM/PM)
None (controls)	57, 20/37	60, 28/32
E-cigarette exposure
Total	56, 13/43	62, 32/30
1	15, 5/10	17, 10/7
2	15, 3/12	13, 7/6
3	14, 3/11	14, 6/8
4	12, 2/10	10, 4/6
5	–	8, 5/3
Total sample size	113	122