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. 2020 Nov 16;12:1075–1088. doi: 10.2147/IJWH.S266540

Table 2.

Characteristics of the Study Sample by Perceived Risk of Weekly Cannabis Use and Correlates of Perceiving No Risk of Weekly Cannabis Use Among US Pregnant Women (n=2,247). Results of Univariate and Multivariable Logistic Regression Models, 2015–2017 National Survey of Drug Use and Health

Characteristics Perceived Risk of Weekly Cannabis Use p-value Perceiving no risk associated with weekly cannabis use
Any Risk No Risk
Sample Size and Weighted Proportion n=1,665a n=582a
78.4% (76.2, 80.6) 21.6% (19.4, 23.8)
%b (95% CI) %b (95% CI) OR 95% CI aOR 95% CI
Socio-demographic factors
Age group (years old) <0.01
 14 to 17 1.5 (1.0, 2.1) 2.3 (0.6, 4.1) 2.0 (0.8, 4.9) 1.4 (0.5, 4.8)
 18 to 29 29.2 (26.8, 31.6) 44.1 (38.9, 49.4) 2.0 (1.6, 2.6) 1.7 (1.3, 2.2)
 30 to 44 69.3 (66.8, 71.8) 53.6 (48.4, 58.7) 1 1
Self-identified race/ethnicity <0.01
 Non-Hispanic White 54.0 (50.4, 57.6) 60.2 (54.6, 65.9) 1 1
 Non-Hispanic Black 13.8 (11.8, 15.7) 19.3 (14.7, 23.9) 1.3 (0.9, 1.8) 1.0 (0.7, 1.5)
 Non-Hispanic Other 9.4 (7.3, 11.5) 9.2 (5.4, 13.0) 0.9 (0.5, 1.4) 1.0 (0.6, 1.7)
 Hispanic 22.8 (19.9, 25.7) 11.2 (7.7, 14.8) 0.4 (0.3, 0.6) 0.4 (0.3, 0.6)
Population density <0.05
 Large metropolitan 57.1 (53.9, 60.2) 48.3 (43.0, 53.7) 0.6 (0.4, 1.0) 1.1 (0.9, 1.5)
 Small metropolitan 38.1 (34.8, 41.3) 45.0 (39.8, 50.2) 0.8 (0.5, 1.4) 1.1 (0.7, 1.7)
 Non-metropolitan 4.8 (3.5, 6.1) 6.6 (4.4, 8.8) 1 1
Poverty level <0.01
 Living in poverty 20.4 (18.1, 22.8) 32.1 (28.0, 36.3) 2.2 (1.7, 2.9) 1.8 (1.3, 2.5)
 Income up to 2X FPTc 18.7 (16.0, 21.4) 23.5 (18.2, 28.8) 1.7 (1.2, 2.5) 1.4 (0.9, 2.2)
 Income more than 2X FPT 60.8 (57.7, 64.0) 44.4 (39.1, 49.7) 1 1
Residence in medical marijuana legalized 0.79
State
 No 48.4 (44.7, 52.1) 47.6 (42.7, 52.6) 1 1
 Yes 51.6 (47.9, 55.3) 52.4 (47.4, 57.3) 1 (0.8, 1.2) 1.1 (0.9, 1.4)
Substance use related factors
Alcohol and/or tobacco use in the past 30 days <0.01
 Neither 83.7 (81.8, 85.6) 66.3 (61.2, 71.4) 1 1
 Alcohol use only 6.4 (5.0, 7.8) 7.6 (4.7, 10.5) 1.5 (1.0, 2.3) 1.1 (0.7, 1.8)
 Tobacco use only 7.9 (6.4, 9.5) 20.4 (16.8, 24.0) 3.2 (2.3, 4.6) 1.7 (1.1, 2.6)
 Alcohol and tobacco use 2.0 (1.2, 2.8) 5.7 (2.9, 8.4) 3.5 (2.0, 6.5) 1.6 (0.7, 3.3)
Past 30-day use of drugs other than cannabis <0.01
 No 99.1 (98.6, 99.6) 94.7 (91.6. 97.9) 1 1
 Yes 0.9 (0.4, 1.4) 5.3 (2.1, 8.4) 5.8 (2.6, 13.0) 3.1 (1.2, 8.1)
Health and pregnancy related factors
Trimester of pregnancy 0.21
 First 31.7 (28.0, 35.4) 34.2 (29.0, 39.5) 1.0 (0.7, 1.3) 0.8 (0.6, 1.1)
 Second 36.3 (32.9, 39.8) 30.4 (24.7, 36.1) 0.7 (0.5, 1.1) 0.7 (0.5, 1.1)
 Third 31.9 (28.7, 35.1) 35.4 (29.9, 40.9) 1 1
Self-reported health status 0.44
 Excellent to good 95.0 (93.7, 96.2) 94.0 (91.6, 96.4) 1 1
 Fair to Poor 5.0 (3.8, 6.3) 6.0 (3.6, 8.4) 1.2 (0.7, 2.0) 0.7 (0.4, 1.1)
Past 12-months MDEd <0.01
 No 94.2 (92.7, 95.7) 88.6 (84.8, 92.5) 1 1
 Yes 5.8 (4.3, 7.3) 11.4 (7.5, 15.2) 2.1 (1.3, 3.6) 1.6 (0.9, 2.8)
Year of the survey <0.01
 2015 34.9 (31.9, 37.8) 26.8 (22.4, 31.3) 1 1
 2016 33.9 (31.5, 36.3) 31.8 (26.5, 37.0) 1.2 (0.9, 1.6) 1.3 (0.9, 1.7)
 2017 31.2 (28.0, 34.5) 41.4 (36.1, 46.7) 1.7 (1.3, 2.4) 1.6 (1.2, 2.3)

Notes: aUnweighted number; bEstimates from weighted analyses; cFederal Poverty Threshold; dMajor Depressive Episode as defined by DSM-IV.