Logistic regression analysis for the association of use of or intent to use cannabis with participants’ sociodemographic characteristics
| Characteristic | Reported consumption; odds ratio (95% CI) for outcome | |||
|---|---|---|---|---|
| Cannabis consumption at some point during pregnancy | Current cannabis consumption during pregnancy, unadjusted | Intent to consume cannabis while breastfeeding, unadjusted | ||
| Adjusted* | Unadjusted | |||
| Education, highest attainment | ||||
| Elementary or high school | 7.5 (3.3–18.3) | 10.0 (4.6–23.5) | 19.9 (5.4–128.6) | 7.0 (2.5–22.7) |
| College or trade school | 2.3 (1.0–5.6) | 2.7 (1.2–6.6) | 2.6 (0.5–18.9) | 1.6 (0.5–5.6) |
| University or graduate school | 1.0 (Ref.) | 1.0 (Ref.) | 1.0 (Ref.) | 1.0 (Ref.) |
| Income, $ | ||||
| < 40 000 | NA | 4.2 (2.1–8.7) | 15.2 (4.1–98.4) | 2.1 (0.7–5.8) |
| 40 000–100 000 | NA | 0.9 (0.4–1.9) | 1.7 (0. 3–12.4) | 0.8 (0.3–2.2) |
| > 100 000 | NA | 1.0 (Ref.) | 1.0 (Ref.) | 1.0 (Ref.) |
| Partner cannabis consumption | ||||
| Yes | 3.2 (1.7–6.1) | 3.9 (2.2–7.3) | 3.3 (1.3–8.9) | 3.4 (1.4–8.7) |
| No | 1.0 (Ref.) | 1.0 (Ref.) | 1.0 (Ref.) | 1.0 (Ref.) |
| Relationship status | ||||
| Single or dating | 1.8 (0.8–4.3) | 3.6 (1.6–7.5) | 4.0 (1.2–11.1) | 1.2 (0.4–6.1) |
| Married or living together | 1.0 (Ref.) | 1.0 (Ref.) | 1.0 (Ref.) | 1.0 (Ref.) |
| Age, per yr | NA | 0.9 (0.8–1.0) | 0.9 (0.8–1.1) | 0.9 (0.8–1.1) |
Note: CI = confidence interval, NA = not applicable, Ref. = reference category.
↵* Variables labelled NA were excluded from the multiple regression model used to calculate adjusted odds ratios; all other variables were included.