TABLE 4.
Matched adjusted logistic regression analysis of factors associated with severe maternal morbidity among women with a documented delivery from a large healthcare system's electronic health record from March 1, 2016, to August 30, 2019 (n = 1,346)
| Parameter | B | SE (β) | Adjusted odds ratio (95% CI) |
χ 2 | p |
|---|---|---|---|---|---|
| Substance-related diagnosis | |||||
| Yes | 0.30 | 0.12 | 1.81 (1.14–2.88) | 6.22 | 0.0126 |
| No | |||||
| Non-serious mental illness | |||||
| Yes | 0.12 | 0.11 | 1.28 (0.82–2.01) | 1.19 | 0.2747 |
| No | |||||
| Preexisting health condition | |||||
| Yes | 0.58 | 0.13 | 3.21 (1.96–5.26) | 21.71 | <0.0001 |
| No |
Note: Women with and without a substance-related diagnosis were matched on age at delivery, body mass index (BMI) at delivery, one or more previous pregnancies at ≥20 weeks and ending in a live birth or stillbirth (yes/no), preexisting health condition (yes/no), and delivery year.
β = standardized betas, SE(β) = standard errors, CI = confidence interval, p-values based on the chi-square (χ2) tests of significance for categorical data.