Table 4.

Logistic regression of cannabis use postpartum (n = 14981)

Characteristics	Postpartum cannabis use
	OR(95% CI)	p
Age, years
18–19	1.17 (0.82–1.67)	0.38
20–24	1.15 (0.91–1.37)	0.29
25–29	–
30–34	0.86 (0.69–1.07)	0.18
35–39	0.86 (0.65–1.14)	0.31
40+	1.14 (0.60–1.90)	0.61
Education
12 years or less	–
13–15 years	0.76 (0.64–0.91)	< 0.01
16 or more years	0.49 (0.38–0.64)	< 0.01
Marital status
Married	–
Not married	1.90 (1.5–2.23)	< 0.01
Race/ethnicity
White non-hispanic	–
Non-hispanic black	0.93 (0.73–1.17)	0.91
Hispanic	0.59 (0.39–0.86)	0.01
Asian	0.60 (0.38–0.94)	0.03
AIAN	0.86 (0.64–1.16)	0.33
Other/unknown/mixed	0.96 (0.75–1.23)	0.75

Legalization status in state of residence
Residence in a recreational legal state	1.98 (1.26–3.80)	0.01
Residence in a medical legal state	1.27 (0.82–1.96)	0.27
Residence in a state with no legalization	–
Tobacco use(traditional and e-cigarette)
Tobacco use	3.36 (2.8–4.01)	< 0.01
No tobacco use	–
Moderate alcohol use before pregnancy
No moderate use	–
Moderate alcohol use before pregnancy	2.10 (1.54–2.86)	< 0.01
Skipped or unknown	0.32 (0.28–0.37)	< 0.01
Kotelchuck index
Inadequate	1.25 (0.99–1.57)	0.06
Intermediate	1.24 (90.99–1.57)	0.76
Adequate	–
Adequate plus	0.96 (0.75–1.23)	0.97
Parity
No previous live births	–
One previous live birth	0.83 (0.69–0.99)	0.05
Two previous live births	0.75 (0.59–0.96)	0.03
Three or more previous live births	0.69 (0.52–0.90)	0.01

Moderate alcohol use prior to pregnancy defined as consuming > seven drinks in a week

AIAN american indian, alaskan native, PI pacific islander, CI confidence interval

α = 0.05