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. Author manuscript; available in PMC: 2024 Aug 26.
Published in final edited form as: Addiction. 2022 Nov 16;118(2):353–364. doi: 10.1111/add.16052

TABLE 2.

Adjusted estimates of smoking, abstinence and insurance outcomes, 2008–09 versus 2018–19

Percentage Points (95% CI)’

MH/SUD No MH/SUD Difference
Current smoking
 2008–09 37.9% (36.8, 39.0) 21.4% (20.7, 22.1) 16.5 (15.2, 17.8)
 2018–19 27.9% (27.1, 28.7) 16.3% (15.7, 16.8) 11.6 (10.6, 12.5)
 Difference 10.1 (8.7, 11.4) 5.2 (4.3, 6.0) 4.9 (3.3, 6.6)
Daily smoking
 2008–09 27.3% (26.3, 28.2) 15.7% (15.0, 16.3) 11.6 (10.4, 12.8)
 2018–19 19.0% (18.1, 19.9) 11.3% (10.8, 11.8) 7.7 (6.8, 8.7)
 Difference 8.2 (6.9, 9.6) 4.3 (3.5, 5.2) 3.9 (2.3, 5.4)
Recent smoking abstinencea
 2008–09 7.4% (6.6, 8.3) 9.6% (8.8, 10.4) −2.2 (−3.4, −1.0)
 2018–19 10.9% (9.8, 11.9) 12.0% (11.0, 13.0) −1.2 (−2.7, 0.4)
 Difference −3.4 (−4.8, −2.1) −2.4 (−3.7, −1.1) −1.0 (−3.0, 0.9)
Any insurance
 2008–09 71.9% (70.7, 73.2) 78.2% (77.5, 78.8) −6.2 (−7.6, −4.8)
 2018–19 82.3% (81.6, 83.0) 84.4% (83.8, 84.9) −2.0 (−2.7, −1.3)
 Difference −10.4 (−11.8, −9.0) −6.2 (−7.0, −5.4) −4.2 (−5.7, −2.7)

Note: 2008–19 National Survey on Drug Use and Health (NSDUH) data (unweighted sample size: n = 448 762). Linear probability models adjusted for age, sex, and race/ethnicity.

MH/SUD = mental health and substance use disorders; CI = confidence interval.

a

For recent smoking abstinence, analysis limited to subsample of adults smoking at least 100 cigarettes in life-time and at any point in the past year (n = 122 179).