Skip to main content
. 2023 Feb 6;43(5):664–669. doi: 10.1038/s41372-023-01613-8

Table 2.

Maternal substance use and infant outcomes.

Pre-pandemic N = 330 During pandemic N = 240 P value
Substance use, n (%)
Maternal self-reported use 281 (85) 216 (90) 0.10
Maternal UDSb 268 (90) 185 (90) 0.88
Infant UDSb 144 (54) 100 (50) 0.40
UCDSc 247 (88) 186 (92) 0.18
Opioid maintenance therapy, n (%) 66 (20) 34 (14) 0.08
Mean gestational age, weeks 35.4 ± 4.0 35.0 ± 4.0 0.25
Premature birth, n (%) 159 (48) 139 (58) 0.02
Male sex, n (%) 163 (49) 115 (52) 0.73
Median APGAR scores [IQRa]
1 minute 8 [6–8] 8 [6–9] 0.84
5 minutes 9 [8,9] 9 [8,9] 0.92
Mean length of stay, days 19.6 ± 21.8 20.9 ± 28.3 0.51
Mean birth weight, grams 2455.4 ± 860.8 2314.8 ± 815.3 0.05
Mean discharge weight, grams 2748.2 ± 772.8 2665.4 ± 804.9 0.22
NOWSd diagnosis, n (%) 52 (16) 48 (20) 0.22

Results reported as mean ± SD, count/number n (%), or median [IQR]. aIQR interquartile range, bUDS urine drug screen, cUCDS umbilical cord drug screen, dNOWS neonatal opioid withdrawal syndrome.