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Table 2 Correlation between Smoking Discrepancy and E-Cigarette Use Prevalence

From: Increased e-cigarette use prevalence is associated with decreased smoking prevalence among US adults

Subpopulation

Sensitivity Test with Alternative Cut-Off Year

Pearson r* (p value)

Sensitivity Test Excluding 2019–2022 Point Estimates (Using 2007 as Cut-Off Year†)

Pearson r* (p value)

Sensitivity Test Excluding Imputed E-Cigarette Prevalence (Using 2007 as Cut-Off Year†)

Pearson r* (p value)

2006

2007†

2008

2009

2010

2011

All Adults (Total)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.8 (< 0.001)

0.8 (0.001)

0.8 (0.01)

Age

18–34

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

35–54

0.8 (< 0.001)

0.8 (< 0.001)

0.8 (< 0.001)

0.8 (0.001)

0.7 (0.005)

0.7 (0.02)

0.7 (0.01)

0.4 (0.2)

55+

-0.2 (0.5)

-0.1 (0.8)

0.3 (0.3)

0.3 (0.3)

0.4 (0.2)

0.3 (0.3)

0.0 (1.0)

-0.4 (0.2)

Race/Ethnicity

Hispanic

0.8 (< 0.001)

0.8 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.7 (0.02)

0.8 (0.01)

NH White

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.8 (< 0.001)

0.8 (< 0.001)

0.7 (0.01)

NH Black

0.6 (0.008)

0.6 (0.02)

0.6 (0.01)

0.6 (0.02)

0.6 (0.05)

0.5 (0.1)

0.7 (0.01)

0.2 (0.6)

Sex/Gender

Female

0.8 (< 0.001)

0.8 (< 0.001)

0.9 (< 0.001)

0.8 (< 0.001)

0.8 (< 0.001)

0.8 (0.004)

0.7 (0.005)

0.7 (0.04)

Male

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.9 (< 0.001)

0.8 (0.004)

  1. *Pearson correlation coefficient between smoking discrepancy and e-cigarette use prevalence
  2. † Analysis shown in the figures
  3. Bold indicates statistical significance (p < 0.05)