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Table 3 Effect measures of maternal cannabis use on selected birth outcomes

From: Association between maternal cannabis use and birth outcomes: an observational study

Outcome

Coefficient

95% CI

Birth weight a (grams)

 Non-Users

(ref)

 

 Users

−85.8

154.6, −17.2

 

Odds Ratio

95% CI

Low birth weight a

 Non-Users

(ref)

 

 Users

0.93

0.29, 2.93

Preterm birth b

 Non-Users

(ref)

 

 Users

1.26

0.62, 2.57

Small size for GA b

 Non-Users

(ref)

 

 Users

2.03

1.25, 3.31

  1. N = 1773 for preterm birth model, N = 1770 for birth weight and small size for GA models
  2. Abbreviations: CI confidence interval, GA gestational age
  3. aContinuous (linear) and binary (logistic) birth weight regression models with robust cluster analysis adjusted for infant sex, GA (continuous), pre/early-pregnancy cannabis use, year of LSQ1 completion, maternal age, ethnicity, education, income, pre-pregnancy BMI, alcohol use, tobacco use, anxiety/depression symptoms, antidepressant use, and pain medication use.
  4. bPreterm birth and small for GA logistic regression models adjusted for infant sex, pre/early -pregnancy cannabis use, year of LSQ1 completion, maternal age, ethnicity, education, income, pre-pregnancy BMI, alcohol use, tobacco use, anxiety/depression symptoms, antidepressant use, and pain medication use