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Table 2 Demographic characteristics of study participants (N = 38)

From: Initial puffing behaviors and subjective responses differ between an electronic nicotine delivery system and traditional cigarettes

Variable

 

Lost to follow-up after visit 1 or 2 (n = 8)

Completed study (n = 30)

p*

Non-compliant (n = 14)

Compliant (n = 16)

Total percentages

 

21.1%

36.8%

42.1%

---

Gender

Female

75.0

50.0

62.5

0.53

Male

25.0

50.0

37.5

Race

White

50.0

57.1

81.2

0.27

Black

50.0

42.9

18.8

% Menthol

Yes

100.0

64.3

75.0

0.21

No

0.0

35.7

25.0

Age

Mean

37.9

44.9

45.5

0.36

(SE)

(5.2)

(2.7)

(3.5)

Cigarettes per day

Mean

15.4

20.3

16.1

0.25

(SE)

(2.6)

(2.6)

(1.4)

Minutes to first cigarette after waking

Geo. Mean

15.9

13.7

13.1

0.94

Baseline cotinine

Geo. Mean

252.6

427.6

338.0

0.15

  1. *Chi-square test for categorical variables; one-way ANOVA for continuous variables.