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. 2021 Jun 3;4(6):e2111621. doi: 10.1001/jamanetworkopen.2021.11621

Table 2. Demographic Characteristics of Patients With New Pregnancy Episodes Started in 2020 Before and After the Onset of the COVID-19 Pandemic Societal Lockdown.

Characteristics Pregnancy episodes, No. (%) P value
Before onset of lockdowna (n = 1818) After onset of lockdownb (n = 1590)
Maternal age, median (IQR), y 30.0 (27-34) 31.0 (27-34) .18
Age >35 y 265 (14.6) 248 (15.6) .43
Race
White 1194 (65.7) 1011 (63.6) .28
Black 217 (11.9) 225 (14.2)
Asian 129 (7.1) 114 (7.2)
Other 278 (15.3) 240 (15.1)
Hispanic 85 (4.7) 83 (5.2) .51
Parity, median (IQR) 2 (1-3) 2 (1-3) .97
Maternal zip code, distance from UMH
0-15 mi 725 (39.9) 678 (42.6) .02
16-30 mi 525 (28.9) 483 (30.4)
>30 mi 568 (31.2) 429 (27.0)
Insurance status
Medicare/Medicaid 402 (22.1) 394 (24.8) .07
Non-Medicare/Medicaid 1416 (77.9) 1196 (75.2)

Abbreviations: IQR, interquartile range; UMH, University of Michigan Hospital.

a

Prelockdown period was January 1, 2020, to March 28, 2020.

b

Postlockdown period was March 29, 2020, to June 14, 2020.