Table 1. Trends in Cigarette Smoking and Smokeless Tobacco Use Among Adolescents in the Monitoring the Future Surveys by Grade and Sex.
| Variable | Trend 1 | Trend 2 | Trend 3 | Trend 4 | Trend 5 | Trend 6 | AAPC, % (95% CI) (2015-2019) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| APC, % (95% CI) | Years | APC, % (95% CI) | Years | APC, % (95% CI) | Years | APC, % (95% CI) | Years | APC, % (95% CI) | Years | APC, % (95% CI) | Years | ||
| Past 30-d smoking | |||||||||||||
| All students | |||||||||||||
| 8th Grade | 7.4a (3.7 to 11.2) | 1991-1996 | –4.8a (–18.8 to 11.7) | 1996-1999 | –16.2 (–31.3 to 2.1) | 1999-2002 | –6.1a (–8.4 to –3.6) | 2002-2011 | –14.2a (–17.6 to –10.6) | 2011-2019 | NA | NA | –14.2a (–17.6 to –10.6) |
| 10th Grade | 6.9a (5.1 to 8.6) | 1991-1997 | –9.7a (–11.4 to –8.0) | 1997-2004 | –3.1a (–5.1 to –1.0) | 2004-2011 | –14.9a (–17.1 to –12.7) | 2011-2019 | NA | NA | NA | NA | –14.9a (–17.1 to –12.7) |
| 12th Grade | 4.2a (3.1 to 5.2) | 1991-1998 | –7.4a (–9.7 to –5.0) | 1998-2003 | –4.0a (–4.9 to –3.2) | 2003-2013 | –15.0a (–17.0 to –12.9) | 2013-2019 | NA | NA | NA | NA | –15.0a (17.0 to –12.9) |
| Girls | |||||||||||||
| 8th Grade | 8.4a (4.4 to 12.5) | 1991-1996 | –3.6 (–10.3 to –8.2) | 1996-1999 | –16.4 (–31.1 to 1.5) | 1999-2002 | –7.2a (–8.8 to 5.5) | 2002-2014 | –24.5 (–47.8 to 9.3) | 2014-2017 | 15.8 (–29.5 to 90.4) | 2017-2019 | –6.5 (–29.2 to 23.6) |
| 10th Grade | 7.6a (3.8 to 14.3) | 1991-1997 | –10.2a (–12.6 to –7.7) | 1997-2003 | –4.9a (–7.3 to –2.5) | 2003-2010 | –13.3a (–15.1 to –11.4) | 2010-2019 | NA | NA | NA | NA | –13.3a (–15.1 to –11.4) |
| 12th Grade | 5.2a (2.8 to 7.7) | 1991-1997 | –5.8a (–6.4 to –5.2) | 1997-2013 | –15.8a (–19.6 to –11.8) | 2013-2019 | NA | NA | NA | NA | NA | NA | –15.8a (–19.6 to –11.8) |
| Boys | |||||||||||||
| 8th Grade | 7.7a (4.6 to 10.8) | 1991-1996 | –10.6a (–12.4 to –8.7) | 1996-2004 | –4.2 (–8.7 to 0.4) | 2004-2010 | –15.1a (–17.4 to –12.7) | 2010-2019 | NA | NA | NA | NA | –15.1a (–17.4 to –12.7) |
| 10th Grade | 8.8a (5.0 to 12.7) | 1991-1996 | –7.9a (–9.3 to –6.6) | 1996-2006 | 1.1 (–4.8 to 7.3) | 2006-2011 | –16.5a (–19.7 to –13.1) | 2011-2019 | NA | NA | NA | NA | –16.5a (–19.7 to –13.1) |
| 12th Grade | 5.1a (3.7 to 6.5) | 1991-1997 | –5.6a (–6.4 to –4.8) | 1997-2006 | –1.3 (–3.6 to 1.0) | 2006-2012 | –13.6a (–15.3 to –11.9) | 2012-2019 | NA | NA | NA | NA | –13.6a (–15.3 to 11.9) |
| Daily smoking | |||||||||||||
| All students | |||||||||||||
| 8th Grade | 7.7a (3.3 to 12.4) | 1991-1996 | –9.5a (–10.5 to –8.4) | 1996-2011 | –15.1a (–19.3 to –10.7) | 2011-2019 | NA | NA | NA | NA | NA | NA | –15.1a (–19.3 to –10.7) |
| 10th Grade | 7.8a (5.0 to 10.6) | 1991-1997 | –11.3a (–14.0 to –8.6) | 1997-2004 | –4.7 (–7.9 to –1.3) | 2004-2011 | –16.5a (–19.6 to –13.4) | 2011-2019 | NA | NA | NA | NA | –16.5a (–19.6 to –13.4) |
| 12th Grade | 6.1a (3.9 to 8.3) | 1991-1997 | –6.4a (–7.0 to –5.8) | 1997-2013 | –17.5a (–20.6 to –14.3) | 2013-2019 | NA | NA | NA | NA | NA | NA | –17.5a (–20.6 to –14.3) |
| Girls | |||||||||||||
| 8th Grade | 10.9a (5.0 to 17.2) | 1991-1996 | –10.8a (–11.7 to –10.0) | 1996-2019 | NA | NA | NA | NA | NA | NA | NA | NA | –10.8a (–11.7 to –10.0) |
| 10th Grade | 7.2a (3.9 to 10.7) | 1991-1997 | –9.5a (–10.5 to –8.6) | 1997-2012 | –16.3a (–21.8 to –10.4 | 2012-2019 | NA | NA | NA | NA | NA | NA | –16.3a (–21.8 to –10.4) |
| 12th Grade | 6.5a (3.6 to 9.5) | 1991-1997 | –7.2a (–8.1 to –6.3) | 1997-2012 | –17.5a (–21.2 to –13.6) | 2012-2019 | NA | NA | NA | NA | NA | NA | –17.5a (–21.2 to –13.6) |
| Boys | |||||||||||||
| 8th Grade | 5.0a (0.1 to 10.2) | 1991-1996 | –8.8a (–10.0 to –7.6) | 1996-2011 | –17.3a (–22.2 to –12.0) | 2011-2019 | NA | NA | NA | NA | NA | NA | –17.3a (–22.2 to –12.0) |
| 10th Grade | 7.1a (3.7 to 10.7) | 1991-1997 | –11.1a (–13.9 to –8.2) | 1997-2005 | –0.7 (–5.9 to 4.9) | 2005-2011 | –17.9a (–21.7 to –13.9) | 2011-2019 | NA | NA | NA | NA | –17.9a (–21.7 to –13.9) |
| 12th Grade | 4.9a (3.5 to 6.3) | 1991-1998 | –8.0a (–9.3 to –6.7) | 1998-2006 | –1.6 (–4.6 to 1.5) | 2006-2012 | –17.4a (–19.4 to –15.4) | 2012-2019 | NA | NA | NA | NA | –17.4a (–19.4 to –15.4) |
| Past 30-d smokeless tobacco use | |||||||||||||
| All students | |||||||||||||
| 8th Grade | 0.1 (–7.0 to 7.6) | 1991-1996 | –13.9 (–38.0 to 19.5) | 1996-1999 | –3.0a (–4.1 to –1.9) | 1999-2019 | NA | NA | NA | NA | NA | NA | –3.0a (–4.1 to –1.9) |
| 10th Grade | –5.7a (–6.9 to –4.4) | 1991-2004 | 4.2 (–0.6 to 9.2) | 2004-2011 | –9.2a (–12.2 to –6.0) | 2011-2019 | NA | NA | NA | NA | NA | NA | –9.2a (–12.2 to –6.0) |
| 12th Grade | –5.0a (–6.3 to –3.6) | 1992-2004 | 2.6a (0.0 to 5.3) | 2004-2014 | –16.2a (–22.5 to –9.4) | 2014-2019 | NA | NA | NA | NA | NA | NA | –16.2a (–22.5 to –9.4) |
| Boys | |||||||||||||
| 8th Grade | –5.2a (–5.8 to –4.6) | 1991-2019 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | –5.2a (–5.8 to –4.6) |
| 10th Grade | –6.5a (–7.5 to –5.4) | 1991-2004 | 3.1 (–0.8 to 7.1) | 2004-2012 | –11.6a (–15.7 to –7.4) | 2012-2019 | NA | NA | NA | NA | NA | NA | –11.6a (–15.7 to –7.4) |
| 12th Grade | 2.5 (–4.9 to 10.5) | 1992-1995 | –6.5a (–7.9 to –5.0) | 1995-2006 | 15.1 (–6.7 to 41.9) | 2006-2009 | –3.6a (–6.9 to –0.2) | 2009-2016 | –20.9a (–31.6 to –8.6) | 2016-2019 | NA | NA | –16.9a (–24.8 to –8.2) |
| Daily smokeless tobacco use | |||||||||||||
| All students | |||||||||||||
| 8th Grade | –4.3a (–5.1 to –3.5) | 1991-2019 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | –4.3a (–5.1 to –3.5) |
| 10th Grade | –8.4a (–12.5 to –4.1) | 1991-1999 | 0.5 (–1.9 to 2.9) | 1999-2013 | –13.9a (–21.5 to –5.6) | 2013-2019 | NA | NA | NA | NA | NA | NA | –13.9a (–21.5 to –5.6) |
| 12th Grade | –4.9a (–6.9 to –2.8) | 1992-2003 | 2.7a (0.3 to 5.1) | 2003-2015 | –22.6a (–32.4 to –11.4) | 2015-2019 | NA | NA | NA | NA | NA | NA | –22.6a (–32.4 to –11.4) |
| Boys | |||||||||||||
| 8th Grade | –5.0a (–5.9 to –4.2) | 1991-2019 | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | –5.0a (–5.9 to –4.2) |
| 10th Grade | –6.7a (–9.4 to –4.0) | 1991-2002 | 1.7 (–2.2 to 5.7) | 2002-2013 | –15.5a (–23.2 to –7.0) | 2013-2019 | NA | NA | NA | NA | NA | NA | –15.5a (–23.2 to –7.0) |
| 12th Grade | –3.8a (–5.4 to –2.1) | 1992-2005 | 3.1 (–0.2 to 6.5) | 2005-2015 | –23.0a (–33.3 to –11.0) | 2015-2019 | NA | NA | NA | NA | NA | NA | –23.0a (–33.3 to –11.0) |
Abbreviations: AAPC, average annual percentage change; APC, annual percentage change; NA, not applicable.
a
Significant at P < .05.