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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Prev Med. 2020 Jun 25;139:106175. doi: 10.1016/j.ypmed.2020.106175

Table 1.

Sociodemographic and health-related characteristics among nicotine-predominant, dual nicotine and marijuana and marijuana-predominant e-cigarette users in the US, 2018

Nicotine- predominant
vaping
Dual nicotine marijuana
vaping
Marijuana-predominant
vaping
(Unweighted n
= 2904)
(Unweighted n
=164)
(Unweighted n
= 570)
Age, years
18 to 24 33.2 (29.5-37.2) 17.2 (9.81-28.4) 18.3 (13.0-25.0)
25 to 44 41.2 (37.4-45.0) 59.6 (45.6-72.2) 47.7 (41.1-54.4)
45 to 69 23.7 (21.2-26.3) 19.7 (12.1-30.4) 30.7 (25.0-37.0)
70+ 2.0 (1.5-2.7) 3.5 (0.9-12.9) 3.4 (1.9-5.8)
 
Sex
Male 58.6 (54.9-62.3) 58.5 (43.4-72.2) 62.1 (55.4-68.4)
Female 41.3 (37.6-45.1) 41.4 (27.7-56.5) 37.9 (31.6-44.6)
 
Race
Whites 71.5 (67.1-75.6) 54.0 (38.4-68.9) 55.9 (48.9-62.7)
Blacks 9.4 (6.9-12.8) 14.9 (5.9-32.7) 4.7 (2.5-8.4)
Hispanics 12.7 (9.3-17.2) 27.1 (13.9-46.1) 28.6 (22.3-36.0)
Other groups 6.4 (5.1-7.9) 4.0 (1.5-10.1) 10.8 (7.3-15.8)
 
Highest education level
Less than high school diploma 12.7 (10.3-15.5) 10.2 (4.4-21.9) 5.0 (2.4-10.2)
High school diploma 39.6 (35.8-43.4) 16.4 (9.9-25.8) 24.3 (18.4-31.2)
Some college 47.8 (44.0-51.5) 73.4 (60.9 -83.0) 70.8 (63.4-77.1)
 
Federal Poverty Line Ratio of Household Income
<1 14.4 (12.1-17.1) 14.1 (7.3-25.5) 10.3 (6.7-15.3)
1-2 26.6 (23.2-30.2) 12.6 (6.7-22.4) 20.2 (15.1-26.4)
>2 59.0 (55.2-62.7) 73.3 (60.4-83.1) 69.6 (62.8-75.6)
 
Depression 33.4 (30.1-37.0) 34.9 (23.3-48.6) 35.2 (28.8-42.3)
 
BMI
Underweight 3.3 (2.2-4.8) 2.3 (0.9-5.4) 3.0 (1.4-6.6)
Normal weight 38.2 (34.6-42.0) 26.1 (16.1-39.6) 38.4 (32.1 -45.2)
Overweight 32.4 (28.8-36.1) 37.4 (24.2-52.8) 30.8 (24.9-37.3)
Obese 26.2 (23.0-29.6) 34.2 (20.6-51.1) 27.8 (21.8-34.7)
 
Smoking status
Never smoker 24.0 (20.7-27.6) 32.1 (21.0-45.7) 54.5 (47.8-61.1)
Current smoker 44.7 (41.0-48.4) 23.7 (14.7-35.9) 11.1 (7.9-15.4)
Former smoker 31.4 (28.0-35.0) 44.2 (29.5-60.0) 34.3 (28.3-41.0)

Results presented as % (95% confidence interval)