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Table 5 Percentage of exclusive, dual and polytobacco use as a proportion of any e-cigarette users by three frequency of use thresholds for three national surveys

From: A comparison of tobacco product prevalence by different frequency of use thresholds across three US surveys

Products (%) TUS-CPS NHIS PATH
1+ day 10+ days 25+ days 1+ day 10+ days 25+ days 1+ day 10+ days 25+ days
Exclusive Use
 E-cigarettes 32.0 44.1 65.9 41.4 51.0 73.2 28.2 48.6 68.2
Dual Use of E-cigarettes +
 Cigarette 54.8 51.5 33.0 44.6 40.8 24.4 47.7 44.5 28.4
 Other combustibles 4.6 0.7 1.1 3.2 2.0 1.6 6.5 1.2 0.6
 Smokeless tobacco 0.9 1.5 0.0 1.3 1.0 0.0 0.9 1.6 1.1
Poly Use of E-cigarettes +
 Cigarettes+ other combustibles 5.0 1.5 0.0 7.3 4.6 0.8 11.1 2.4 0.6
 Cigarettes+ Smokeless 1.8 0.7 0.0 1.3 0.5 NA 2.8 0.8 0.6
 Other combustibles + Smokeless 0.0 0.0 NA 0.0 NA NA 0.7 0.4 0.6
 Cigarettes+ other combustibles + smokeless 0.9 0.0 0.0 1.0 0.0 NA 2.2 0.4 0.0
Total all polytobacco use (3 or 4 products) 8.2 2.2 1.1 9.6 4.6 0.8 16.7 4.0 1.7
  1. NA = no sample was available for this group. * 0.0 values are ≤0.01.
  2. Abbreviations: TUS-CPS = Tobacco Use Supplement to the Current Population Survey; NHIS=National Health Interview Survey; PATH=Population Assessment of Tobacco and Health