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Table 1 Current use prevalence of four tobacco product groups in three surveys based on three frequency of use thresholds in the past 30 days: 1+ day, 10+ days, 25+ days

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

Products National Surveys
TUS-CPS %
(95% CI)
NHIS %
(95% CI)
PATH %
(95% CI)
   RR*   RR*   RR*
Cigarettes
 1+ day 13.6 (13.4, 13.8)   14.9 (14.3, 15.4)   18.8 (18.3, 19.4)  
 10+ days 12.7 (12.6, 12.9) −6.6% 13.8 (13.2, 14.4) −7.4% 17.0 (16.5, 17.5) −9.6%
 25+ days 11.0 (10.9, 11.2) −19.1% 12.0 (11.5, 12.5) −19.5% 15.2 (14.7, 15.7) −19.1%
Other combustibles
 1+ day 2.1 (2.1, 2.2)   3.2 (2.9, 3.6)   5.7 (5.4, 5.9)  
 10+ days 0.7 (0.7, 0.7) − 66.7% 1.9 (1.7, 2.2) −40.6% 1.6 (1.5, 1.7) − 71.9%
 25+ days 0.4 (0.4, 0.5) − 81.0% 1.7 (1.5, 2.0) − 46.9% 1.0 (0.9, 1.1) − 82.5%
Smokeless tobacco
 1+ day 1.6 (1.5, 1.6)   2.1 (1.8, 2.4)   2.8 (2.6, 3.0)  
 10+ days 1.3 (1.3, 1.4) −18.8% 1.7 (1.5, 2.0) −19.0% 2.2 (2.0, 2.4) −21.4%
 25+ days 1.1 (1.0, 1.1) −31.3% 1.4 (1.2, 1.6) −33.3% 1.8 (1.7, 2.0) −35.7%
E-cigarettes
 1+ day 2.2 (2.1, 2.2)   3.1 (2.8, 3.4)   4.6 (4.3, 4.8)  
 10+ days 1.4 (1.3, 1.4) − 36.4% 2.0 (1.8, 2.2) −35.5% 2.5 (2.3, 2.7) − 45.7%
 25+ days 0.9 (0.8, 0.9) − 59.1% 1.3 (1.1, 1.5) − 58.1% 1.8 (1.6, 2.0) −60.9%
  1. *Relative Reduction. Relative reduction 10+ days compared to 1+ day and 25+ days compared to 1+ day
  2. Abbreviations: TUS-CPS Tobacco Use Supplement to the Current Population Survey; NHIS, National Health Interview Survey; PATH, Population Assessment of Tobacco and Health