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. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: Am J Prev Med. 2020 Jul 16;59(3):449–454. doi: 10.1016/j.amepre.2020.03.014

Table 1.

Summary Statistics by Primary Mode of Marijuana Use, 2017‒2018

Main mode of use Smoke Eat or drink Vape Other Missing
Mean % (95% CI) Mean % (95% CI) Mean % (95% CI) Mean % (95% CI) Mean % (95% CI)
Percent of people who use marijuana 77.2 8.1 10.5 3.8 0.5
Medical marijuana use 55.2 (0.516, 0.588) 60.3 (0.510, 0.696) 71.5 (0.624, 0.806) 71.1 (0.596, 0.825) 36.9 (0.171, 0.568)
Conventional cigarette use 41.5 (0.380, 0.451) 13.4 (0.086, 0.182) 13.1 (0.051, 0.211) 25.4 (0.144, 0.364) 44.6 (0.238, 0.654)
Nicotine e-cigarette use 14.3 (0.119, 0.167) 10.9 (0.041, 0.177) 23.3 (0.147, 0.319) 23.6 (0.128, 0.344) 22.7 (0.070, 0.383)
Female 38.0 (0.344, 0.417) 46.2 (0.366, 0.557) 45.3 (0.349, 0.557) 31.0 (0.189, 0.430) 24.3 (0.082, 0.404)
Age, years 35.5 (34.589, 36.355) 37.0 (34.789, 39.211) 37.2 (34.995, 39.332) 31.2 (28.792, 33.557) 36.0 (32.228, 39.771)
Any college 53.7 (0.501, 0.573) 72.7 (0.636, 0.817) 76.4 (0.683, 0.845) 58.3 (0.440, 0.727) 46.4 (0.259, 0.669)
Hispanic 18.7 (0.154, 0.219) 18.5 (0.107, 0.263) 20.3 (0.110, 0.295) 24.9 (0.128, 0.371) 9.2 (−0.028, 0.212)
Race
 White 64.9 (0.614, 0.684) 66.2 (0.566, 0.757) 70.4 (0.614, 0.793) 65.8 (0.512, 0.804) 77.2 (0.632, 0.911)
 Black 15.8 (0.134, 0.183) 9.7 (0.055, 0.140) 10.9 (0.042, 0.176) 8.5 (0.027, 0.143) 9.5 (−0.006, 0.195)
 Asian 5.6 (0.032, 0.080) 9.8 (0.018, 0.178) 4.4 (0.009, 0.078) 3.7 (−0.017, 0.090) 4.2 (−0.010, 0.094)
 Other 12.0 (0.097, 0.143) 12.8 (0.062, 0.194) 10.6 (0.051, 0.162) 20.6 (0.058, 0.353) 5.8 (0.012, 0.104)
N 6,598 676 642 277 62

Notes: Data from the 2017‒2018 BRFSS describe demographics of past-30-day marijuana users by their mode of consumption, for states that fielded marijuana and current e-cigarette use modules. Statistics are sample-weighted and adjusted for survey design. Means code the following missing values as 0: medical marijuana use (0.5%), sex (0.02%), Hispanic (0.6%), education (0.04%), race (1.9%), conventional cigarette use (0.2%), and nicotine e-cigarette use (0.1%).

BRFSS, Behavioral Risk Factor Surveillance System.