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. 2020 Sep 2;6(3):e19975. doi: 10.2196/19975

Table 1.

Category proportions and frequencies from the manual annotation of tweets (n=3152).

Categorya Proportion, % Frequency

First-person experience 56.85 1792
Neutral sentiment 44.92 1416
Positive sentiment 33.38 1052
Negative sentiment 21.67 683
Flavor/JUUL pods 18.59 586
Opinion 15.96 503
News/media 9.58 302
Other substances 9.55 301
Industry/regulation 8.95 292
Experience: other 7.99 252
Health effects 6.85 216
Underage 6.03 190
Commodity 4.89 154
Humor 3.20 101
Suorin 2.54 80
Marketing 2.38 75
Pleasure 2.09 66
Disgust 1.71 54
Craving 1.46 46
Cessation 1.43 45
Starting 1.21 38

aCategories are not mutually exclusive.