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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Addict Behav. 2018 Nov 15;91:37–44. doi: 10.1016/j.addbeh.2018.11.014

Table 1.

Average Ratings of Flavor Attributes (Bitter-Sour, Irritation, and Sweet Taste1 and Liking2) of Unflavored and Flavored E-Cigarettes (Tobacco, Chocolate, Cherry, Menthol) With High (18mg/ml) and No Nicotine Content

Flavor
Tested
Flavor Attribute
Bitter-Sour
(N=132)
 Irritation (N=132) Sweet (N=132) Liking (N=129)
Overall High
Nicotine
No
Nicotine
Overall High
Nicotine
No
Nicotine
Overall High
Nicotine
No
Nicotine
Overall High
Nicotine
No
Nicotine
Unflavored Mean 4.83 4.86 4.80 6.07 6.72 5.42 8.13 8.38 7.88 9.77 11.6
5
7.89
SD 9.23 9.52 8.96 11.4
9
12.4
2
10.4
9
11.0
9
11.5
1
10.6
9
31.8
3
30.3
4
33.2
7
Range 0 ‒53 0 ‒
53
0 ‒
40
0 ‒
60
0 ‒
60
0 ‒
55
0 ‒
65
0 ‒
65
0 ‒
52
‒60
‒95
‒60 ‒
90
‒60 ‒
95
Tobacco Mean 6.32 6.01 6.62 6.75 7.02 6.48 9.52 10.3
1
8.74 14.1
3
13.2
1
15.0
4
SD 11.2
9
11.2
5
11.3
6
13.6
1
12.6
2
14.5
6
12.6
1
13.0
8
12.1
1
32.7
8
31.1
3
34.4
4
Range 0 ‒
55
0 ‒
55
0 ‒
55
0 ‒
95
0 ‒
55
0 ‒
95
0 ‒
60
0 ‒
60
0 ‒
60
‒100
‒100
‒75 ‒
100
‒100
‒95
Chocolate Mean 5.17 5.71 4.62 4.75 4.87 4.64 12.3
3
13.3
3
11.3
2
8.88 11.1
0
6.65
SD 9.82 10.9
2
8.58 8.93 8.80 9.10 12.5
5
13.5
4
11.4
3
33.6
8
34.1
7
33.1
8
Range 0 ‒
50
0 ‒
50
0 ‒
50
0 ‒
52
0 ‒
50
0 ‒
52
0 ‒
70
0 ‒
70
0 ‒
55
‒100
‒98
‒100
‒98
‒85 ‒
95
Cherry Mean 4.84 4.58 5.10 4.50 4.83 4.17 19.4
5
20.1
7
18.7
4
14.4
3
16.9
4
11.9
3
SD 10.1
3
10.1
7
10.1
1
10.0
0
10.6
1
9.39 14.9
7
14.6
6
15.2
8
36.6
4
32.1
6
40.6
0
Range 0 ‒
60
0 ‒
60
0 ‒
55
0 ‒
70
0 ‒
60
0 ‒
70
0 ‒
70
0 ‒
55
0 ‒
70
‒100
‒100
‒70 ‒
90
‒100 ‒
100
Menthol Mean 6.07 5.69 6.45 5.75 6.67 4.83 10.6
3
10.8
4
10.4
2
17.9
7
18.6
7
17.2
8
SD 10.1
9
10.3
3
10.0
7
11.9
2
13.1
8
10.4
8
13.1
7
13.4
7
12.9
2
37.2
6
36.0
3
38.5
7
Range 0 ‒
52
0 ‒
52
0 ‒
50
0 ‒
90
0 ‒
90
0 ‒
55
0 ‒
60
0 ‒
55
0 ‒
60
‒100
‒100
‒90 ‒
95
‒100 ‒
100
Overall Mean ‒‒ 5.37 5.52 ‒‒ 6.02 5.11 ‒‒ 12.6
1
11.4
2
‒‒ 14.3
2
11.7
6
SD ‒‒ 10.4
4
9.87 ‒‒ 11.6
4
10.9
8
‒‒ 13.8
7
13.1
3
‒‒ 32.8
7
36.2
5
Range ‒‒ 0 ‒
60
0 ‒
55
‒‒ 0 ‒
90
0 ‒
95
‒‒ 0 ‒
70
0 ‒
70
‒‒ ‒100
‒100
‒100 ‒
100
1

Taste was measured on gLMS scale from 0 (no sensation) to 100 (strongest imaginable sensation) with adjectives anchored on a logarithmic scale: ‘barely detectable’ (1.4), ‘weak’ (6), ‘moderate’ (17), ‘strong’ (35), and ‘very strong’ (53).

2

Liking was measured on the following scale: Dislike (-100) to Like (100)