Table 6.
Prolonged use versus previous use of cannabis, but not used during pregnancy |
|||
---|---|---|---|
B | 95% CI | p value | |
Birth weight | |||
Cannabis in pregnancy − adjusteda | −225 | −387 to −63 | 0.01 |
Birth length | |||
Cannabis in pregnancy − adjusteda | −1.4 | −2.3 to −0.4 | 0.01 |
Head circumference | |||
Cannabis in pregnancy − adjusteda | −0.5 | −1.1 to 0.2 | 0.14 |
Adjustment based on maternal and paternal characteristics. N = 3,710 for birth weight; N = 3,573 for birth length; N = 3,648 for head circumference.
Adjusted for a set of confounders: maternal and paternal age and education, parity, alcohol use during pregnancy (never, sometimes, and regular/binge), presence of symptoms of anxiety/depression, maternal (never, sometimes, and daily) and paternal tobacco smoking in pregnancy, maternal and paternal use of illicit drugs, use of prescribed medications during pregnancy (opioids and benzodiazepines), work situation, planned pregnancy, and sex.