Table 4.

Association Between Insurance Status and Birth Outcomes, Women Living in Mecklenburg County Who Gave Birth Within Atrium Health (2014–2015)^*

	Preterm birth	Preeclampsia	Gestational diabetes	Low birth weight
	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
Insurance
Commercial	1.00	1.00	1.00	1.00
Medicaid	1.06 (0.84–1.33)	1.25 (0.92–1.71)	1.07 (0.90–1.28)	0.92 (0.74–1.15)
Uninsured	1.04 (0.69–1.58)	0.93 (0.53–1.65)	0.89 (0.64–1.22)	1.35 (0.91–1.98)
Age at delivery
18–24	1.00	1.00	1.00	1.00
25–34	0.85 (0.76–0.95)	0.78 (0.68–0.91)	1.03 (0.93–1.13)	0.86 (0.76–0.97)
35+	1.22 (1.06–1.41)	1.26 (1.05–1.51)	2.10 (1.88–2.34)	1.24 (1.07–1.45)
Race/ethnicity
Hispanic	0.97 (0.83–1.15)	1.21 (0.99–1.49)	1.22 (1.08–1.38)	0.75 (0.62–0.90)
Non-Hispanic Black	1.20 (1.03–1.39)	1.07 (0.88–1.30)	0.77 (0.68–0.87)	1.44 (1.23–1.67)
Non-Hispanic White	1.00	1.00	1.00	1.00
Other	0.94 (0.77–1.14)	1.00 (0.77–1.30)	1.32 (1.16–1.50)	1.27 (1.05–1.53)
Location of residence
Charlotte	1.00	1.00	1.00	1.00
Other Mecklenburg County	1.04 (0.88–1.22)	0.84 (0.65–1.09)	1.05 (0.94–1.19)	0.96 (0.79–1.16)
Medical comorbidity
Hypertension	1.66 (1.39–1.97)	3.22 (2.75–3.77)	1.41 (1.21–1.64)	1.60 (1.33–1.93)
Diabetes	1.18 (0.88–1.57)	1.35 (1.01–1.80)	1.67 (1.37–2.04)	1.05 (0.76–1.47)
Obesity
Underweight (BMI <18.5)	1.24 (0.66–2.31)	0.73 (0.24–2.29)	1.04 (0.61–1.77)	1.32 (0.70–2.47)
Normal (BMI 18.5–24.9)	1.00	1.00	1.00	1.00
Overweight (BMI 25.0–29.9)	0.89 (0.72–1.10)	0.93 (0.66–1.32)	0.92 (0.77–1.09)	0.78 (0.63–0.98)
Obese (BMI 30–39.9)	0.91 (0.73–1.13)	1.31 (0.94–1.83)	1.30 (1.10–1.55)	0.77 (0.62–0.97)
Severe obesity (BMI ≥40)	1.21 (0.92–1.60)	1.46 (0.98–2.19)	1.16 (0.92–1.47)	1.59 (1.22–2.08)
Neighborhood poverty rate	1.00 (0.99–1.01)	1.01 (0.99–1.02)	1.00 (0.99–1.01)	1.00 (0.99–1.01)
Neighborhood percent with less than high school education	1.01 (0.99–1.02)	0.99 (0.97–1.00)	1.00 (0.99–1.01)	1.01 (0.99–1.02)

^*Results from logistic regression models.

BMI, body mass index.