Table 2.

Results of multivariable logistic regression model to predict severe acute respiratory syndrome coronavirus 2 PCR test positivity

Characteristic	OR	95% CI	P value
Maternal age	0.957	0.937–0.977	<.001
Parity	1.275	1.175–1.385	<.001
Race and ethnicitya
Asian	ref	ref
Hispanic	1.726	1.134–2.677	<.02
Non-Hispanic black	1.768	1.144–2.776	<.02
Non-Hispanic white	1.439	0.976–2.175	.08
Other/multiracial	1.732	1.085–2.789	<.03
Diabetes mellitus	2.154	0.981–4.345	<.05
Private vs public health insurance	0.720	0.566–0.917	<.009
Preferred language, Spanish vs English	1.670	1.144–2.431	<.009
Neighborhood characteristics
Median incomeb	0.887	0.796–0.982	<.03
Percent less than high schoolc	1.022	1.001–1.042	<.04

CI, confidence interval; OR, odds ratio; PCR, polymerase chain reaction; ref, referent.

Prasannan. Social determinants of health and coronavirus disease 2019. Am J Obstet Gynecol MFM 2021.

^aAsian is referent based on lowest PCR positivity (6%) in the study population

^bUnit of median income is $10,000; OR can be explained by every unit increase of this amount

^cUnit of percent less than high school is 1%; OR can be explained by every unit increase of this amount.