Table 2 Trends of driving under the influence of alcohol: by substance use type, United States, NSDUH 2008–2014

Overall prevalence

12.93 (12.65–13.21)

22.16 (20.20–24.13)

29.10 (28.13–30.07)

27.50 (25.43–29.57)

39.37 (37.12–41.63)

34.70 (30.79–38.61)

48.30 (47.01–49.60)

 Year 2008

14.63 (13.74–15.52)

28.69 (23.29–34.10)

34.57 (30.86–38.29)

24.27 (18.34–30.21)

46.20 (40.82–51.58)

45.24 (35.93–54.55)

53.60 (50.77–56.44)

 Year 2009

13.28 (12.52–14.04)

22.58 (18.14–27.02)

32.89 (30.09–35.69)

24.25 (18.14–30.37)

46.81 (40.36–53.27)

37.38 (24.89–49.87)

52.42 (48.97–55.87)

 Year 2010

12.65 (11.90–13.41)

21.73 (16.89–26.57)

30.62 (27.80–33.44)

32.19 (25.20–39.18)

42.89 (35.98–49.80)

38.91 (29.09–48.73)

49.18 (46.01–52.35)

 Year 2011

13.39 (12.53–14.24)

23.63 (17.35–29.91)

28.54 (26.51–30.57)

29.04 (22.38–35.69)

39.28 (33.78–44.78)

25.45 (14.50–36.41)

46.63 (43.73–49.54)

 Year 2012

12.22 (11.50–12.94)

18.30 (13.90–22.69)

28.30 (25.81–30.80)

34.77 (27.67–41.87)

35.58 (30.05–41.12)

34.32 (24.28–44.37)

44.72 (41.11–48.33)

 Year 2013

12.70 (11.93–13.47)

19.90 (14.32–25.49)

26.85 (24.64–29.06)

25.56 (18.75–32.36)

31.30 (25.35–37.24)

36.94 (25.45–48.42)

48.62 (44.97–52.26)

 Year 2014

11.71 (11.07–12.35)

19.72 (15.91–23.52)

25.14 (23.42–26.86)

23.29 (19.68–26.91)

34.21 (27.44–40.97)

23.67 (15.75–31.58)

43.21 (39.64–46.79)

Joinpoints^a

Zero joinpoints

Zero joinpoints

Zero joinpoints

One joinpoint

(in 2012)

Zero joinpoints

Zero joinpoints

Zero joinpoints

 Before joinpoint

−2.8* (−4.7, −0.9)

−5.4* (−9.5, −1.1)

−5.0* (−5.8, −4.1)

8.7 (−13.2, 36.2)

−6.5* (−8.8, − 4.0)

−7.4* (− 13.6, − 0.8)

−3.2* (− 5.0, − 1.3)

 After joinpoint

−2.8* (− 4.7, − 0.9)

− 5.4* (− 9.5, − 1.1)

−5.0* (− 5.8, − 4.1)

−17.6 (− 57.2, 58,8)

−6.5* (− 8.8,-4.0)

− 7.4* (− 13.6, − 0.8)

−3.2* (− 5.0, − 1.3)

 2008–2014

− 2.8* (− 4.7, − 0.9)

−5.4* (− 9.5, − 1.1)

−5.0* (− 5.8, − 4.1)

−0.9 (− 12.2, 11.9)

− 6.5* (− 8.8,-4.0)

−7.4* (− 13.6, − 0.8)

−3.2* (− 5.0, − 1.3)