Table 5. Participant usage and satisfaction.

Question	NRT group	END group	p
Day of surgery	(n = 10)	(n = 19)
Used product daily or most days, n (%)	5 (50%)	11 (58%)	0.71
Agreement (Likert scale 1–7) with
“The product is helpful for quitting smoking,” median [IQR]	5 [3–7]	6 [4-7]	0.59
“I was satisfied with the product to help with quitting,” median [IQR]	5 [3–6]	6 [4–6]	0.71
“I would recommend the product to someone interested in quitting smoking,” median [IQR]	6 [5–7]	6 [6–7]	0.73
8-weeks after randomization	(n = 9)	(n = 20)
Used product daily or most daysa, n(%)	6 (67%)	16 (80%)	0.64
Agreement (Likert scale 1–7) with
“The product is helpful for quitting smoking,” median [IQR]	5 [3–7]	6 [4–7]	0.79
“I was satisfied with the product to help with quitting,” median [IQR]	5 [3–6]	5.5 [2.5–7]	0.67
“I would recommend the product to someone interested in quitting smoking,” median [IQR]	7 [6–7]	6 [5–7]	0.46

Notes.

p-value from Fisher’s exact test for product usage and Wilcoxon ranksum test for all other values. Likert scale was used for agreement (1 = strongly disagree, 2 = disagree, 3 = disagree somewhat, 4 = neither agree nor disagree, 5 = agree somewhat, 6 = agree, 7 = strongly agree).

NRT

nicotine replacement therapy

END

electronic nicotine delivery (e-cigarette). IQR = interquartile range

^aAsked about use while supplies lasted (e.g., considered the participant to have used the product daily or most days if they used the product until they ran out).