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Table 2 Maternal and pregnancy characteristics among extremely preterm deliveries (22 to 27 weeks of gestational age) in California, 1989 to 2015

From: Stillbirth as left truncation for early neonatal death in California, 1989–2015: a time-series study

 

Na

%b

Maternal age

 18 or younger

4736

5.3

 18 to 24

27,082

30.3

 25 to 29

21,444

24.0

 30 to 34

19,641

22.0

 35 or older

16,114

18.0

Maternal education

 Less than high school

30,637

34.3

 High school graduate

27,222

30.5

 Some college

23,065

25.8

 College graduate

4760

5.3

Maternal race/ethnicity

 Non-Hispanic Black

16,251

18.2

 Non-Hispanic white

25,472

28.5

 Hispanic

47,553

53.3

Expected source of payment

 Medicaid

43,054

48.2

 Private insurance

34,638

38.8

 Other

11,575

13.0

Fetal sex

 Male

47,090

52.7

 Female

42,186

47.3

  1. aValues from 1998 not available
  2. bColumn percentages may not sum to 100 due to missing values for that variable