Table 1.
Sociodemographic Characteristics Among 16,316 Pregnancies in Kaiser Permanente Northern California That Screened Positive for Any Prenatal Cannabis Use, By Self-Report, 2009–2017
| Not Identified as Using Cannabis by Self-Reporta N= 9,169 (56.2%) |
Identified as Using Cannabis by Self-Reportb N = 7,147 (43.8%) |
||
|---|---|---|---|
| N (%) | N (%) | P-valued | |
| Age | <0.0001 | ||
| <18 | 277 (3.0) | 335 (4.7) | |
| 18–24 | 3,504 (38.2) | 2,961 (41.4) | |
| 25–34 | 4,361 (47.6) | 3,118 (43.6) | |
| ≥ 35 | 1,027 (11.2) | 733 (10.3) | |
| Race | <0.0001 | ||
| White | 3,193 (34.8) | 2,592 (36.3) | |
| Black | 1,835 (20.0) | 1,463 (20.5) | |
| Hispanic | 2,935 (32.0) | 1,979 (27.7) | |
| Asian | 194 (2.1) | 247 (3.5) | |
| Other | 1,012 (11.0) | 866 (12.1) | |
| Median Neighborhood Household Incomec | 0.0155 | ||
| <$52,442 | 3,731 (40.7) | 2,783 (38.9) | |
| $52,442-<$71,585 | 2,444 (26.7) | 1,859 (26.0) | |
| $71,585-<$94,083 | 1,775 (19.4) | 1,447 (20.3) | |
| ≥$94,083 | 1,205 (13.1) | 1,034 (14.5) | |
Notes.
a
Women who do not self-report cannabis use but have a positive toxicology test;
b
Women who self-report cannabis use and have either a positive or negative toxicology test.
c
38 women were missing income information.
d
P-value calculated using multi-level logistic regression to account for the correlation of women included in the dataset more than once due to multiple pregnancies during the study time period.