Table 4:
Outcome | No. (%) of live births* | Unadjusted model, OR (95% CI) | Adjusted model†, OR (95% CI) | |
---|---|---|---|---|
Acute care for cannabis use n = 356 |
No acute care for cannabis use n = 723 039 |
|||
Preterm birth (< 37 weeks’ gestational age) | 60 (16.9) | 52 234 (7.2) | 2.61 (1.98–3.44) | 1.93 (1.45–2.56) |
Severely small-for-gestational age (< 5th percentile) | 43 (12.1) | 31 478 (4.4) | 3.02 (2.19–4.15) | 2.24 (1.62–3.11) |
NICU in first 28 days of life | 112 (31.5) | 94 338 (13.0) | 3.06 (2.45–3.83) | 1.94 (1.54–2.44) |
Note: CI = confidence interval, NICU = neonatal intensive care unit, OR = odds ratio.
Live birth pregnancies with valid offspring identifiers.
Adjusted for maternal age, neighbourhood income quintile, rurality, prepregnancy acute care for substance use and mental health conditions, prepregnancy outpatient mental health visits to family physician or psychiatrist), prepregnancy chronic conditions (diabetes, hypertension, asthma), and acute care for mental health and substance use conditions during pregnancy.