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Table 2 Smoking prevalence (%), validation of US SAVM against the NHIS, by age and gender, 2013–2018

From: Public health implications of vaping in the USA: the smoking and vaping simulation model

Age

Source

2013

2014

2015

2016

2017

2018

Relative difference 2013–2018

US males

 18+

SAVM

21.4

20.4

19.4

18.5

17.5

16.7

− 22.2%

NHIS

20.3

18.8

16.7

17.5

15.8

15.8

− 22.2%

95% CI

19.5–21.2

17.9–19.7

15.9–17.6

16.7–18.4

15.0–16.6

15.0–16.6

 

 18–24

SAVM

19.9

18.2

16.6

15.3

14.2

13.3

− 33.0%

NHIS

21.6

18.6

15.2

14.6

12.1

8.5

− 60.8%

95% CI

18.6–24.6

15.9–21.4

12.5–18.0

11.9–17.2

9.7–14.5

6.4–10.5

 

 25–44

SAVM

27.3

26.3

25.2

24.0

22.8

21.6

− 21.0%

NHIS

23.1

22.9

19.7

20.6

19.3

19.1

− 17.2%

95% CI

21.6–24.5

21.3–24.4

18.2–21.3

19.0–22.2

17.7–20.8

17.5–20.7

 

 45–64

SAVM

20.4

19.5

18.6

17.8

17.1

16.3

− 19.9%

NHIS

21.6

19.3

17.8

19.4

17.3

18.3

− 15.2%

95% CI

20.2–23.1

17.7–20.9

16.5–19.2

18.0–20.8

15.9–18.6

16.9–19.7

 

 65+

SAVM

12.2

11.9

11.5

11.0

10.6

10.2

− 16.6%

NHIS

10.6

9.7

9.8

10.2

9.0

9.9

− 6.3%

95% CI

9.3–12.0

8.4–11.0

8.5–11.1

8.9–11.5

7.9–10.2

8.7–11.1

 

US females

 18+

SAVM

15.9

15.2

14.5

13.8

13.2

12.6

− 20.7%

NHIS

15.4

14.9

13.5

13.6

12.1

12.0

− 22.1%

95% CI

14.7–16.1

14.1–15.7

12.8–14.2

12.9–14.2

11.5–12.8

11.3–12.6

 

 18–24

SAVM

15.0

13.7

12.5

11.5

10.6

9.9

− 33.7%

NHIS

15.4

14.8

11.1

11.4

8.5

7.3

− 52.6%

95% CI

13.0–17.8

10.6–18.9

9.0–13.3

9.4–13.3

6.5–10.5

5.2–9.4

 

 25–44

SAVM

20.6

19.9

19.2

18.5

17.7

16.9

− 17.6%

NHIS

17.0

17.4

15.6

14.7

12.9

14.2

− 16.6%

95% CI

15.8–18.2

16.1–18.6

14.4–16.9

13.6–15.9

11.8–14.1

12.9–15.5

 

 45–64

SAVM

16.2

15.6

14.9

14.4

13.8

13.3

− 18.1%

NHIS

18.1

16.8

15.8

16.8

15.3

14.3

− 20.9%

95% CI

16.8–19.3

15.6–18.0

14.6–17.1

15.6–18.0

14.1–16.5

13.1–15.5

 

 65+

SAVM

8.2

7.8

7.4

7.1

6.8

6.5

− 20.3%

NHIS

7.6

7.6

7.6

7.6

7.8

7.3

− 4.0%

95% CI

6.6–8.6

6.5–8.6

6.5–8.6

6.7–8.6

6.8–8.7

6.4–8.2

 
  1. Current smokers in the NHIS (National Health Interview Survey) are those who have smoked at least 100 cigarettes during one’s lifetime and currently smoke cigarettes some days or every day