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. 2017 Oct 11;12(10):e0186151. doi: 10.1371/journal.pone.0186151

Table 1. Self-reported characteristics, and prevalence of chronic worry about racial discrimination (chronic worry) by those characteristics, among eligible U.S.-born non-Latino Black and White women with singleton live births in California, MIHA 2011–2014.

U.S.-born Black women (n = 2,201) U.S.-born White women (n = 8,122)
Characteristics % distribution of characteristics
Column %
% who reported chronic worry*
Row %
% distribution of characteristics
Column %
% who reported chronic worry*
Row %
Overall 100.0 36.9 (32.9–40.9) 100.0 5.5 (4.5–6.5)
Social/demographic factors
Maternal age
    15–19 10.6 (7.8–13.4) 24.7 (15.1–34.3) 3.1 (2.5–3.6) 8.6 (3.0–14.2)
    20–24 30.7 (26.9–34.6) 30.5 (24.2–36.8) 15.3 (13.9–16.7) 9.7 (6.2–13.1)
    25–29 26.5 (22.4–30.5) 40.0 (31.2–48.7) 28.8 (26.9–30.7) 5.0 (3.2–6.7)
    30–34 21.3 (17.4–25.1) 44.7 (34.8–54.6) 32.6 (30.7–34.5) 4.6 (3.1–6.2)
    35+ 10.9 (8.4–13.5) 44.2 (32.5–55.9) 20.2 (18.4–22.0) 4.0 (1.8–6.1)
Parity
    Primiparous 42.0 (37.5–46.4) 33.3 (27.0–39.6) 45.5 (43.4–47.6) 5.0 (3.3–6.6)
    2–3 births 41.2 (37.2–45.1) 42.8 (37.0–48.6) 47.8 (45.7–49.9) 5.9 (4.6–7.3)
    4+ births 16.9 (13.2–20.6) 31.2 (21.5–40.9) 6.7 (5.8–7.6) 5.9 (3.2–8.6)
Marital status
    Married 26.0 (22.4–29.6) 47.5 (39.4–55.6) 73.1 (71.4–74.8) 5.0 (3.8–6.2)
    Living with a partner 29.5 (25.3–33.7) 34.6 (26.7–42.6) 16.6 (15.2–18.0) 6.5 (4.6–8.4)
    Single, separated,
divorced, widowed
44.5 (40.2–48.8) 31.9 (26.7–37.1) 10.3 (9.0–11.5) 7.7 (3.8–11.6)
Family income
    < = 100% poverty 65.6 (62.0–69.3) 31.8 (27.0–36.7) 21.3 (19.8–22.9) 9.0 (6.5–11.4)
    101–200% 18.9 (15.6–22.2) 44.3 (34.8–53.8) 15.9 (14.4–17.4) 7.3 (5.0–9.7)
    >200% 15.5 (13.2–17.8) 49.7 (40.8–58.5) 62.8 (60.9–64.7) 3.8 (2.6–5.1)
Education
    Less than high
school
13.8 (11.1–16.5) 33.8 (24.1–43.4) 5.1 (4.2–5.9) 9.7 (5.5–13.8)
    High school/GED 24.2 (20.4–28.1) 24.7 (18.1–31.2) 11.6 (10.4–12.8) 6.6 (4.0–9.1)
    Some college 45.3 (41.0–49.6) 40.5 (34.3–46.7) 37.6 (35.6–39.6) 6.2 (4.5–8.0)
    College graduate 16.7 (13.5–19.8) 47.5 (36.7–58.3) 45.7 (43.7–47.8) 4.1 (2.6–5.5)
Percent of census-tract residents with incomes below poverty level
    <5% 4.5 (3.3–5.7) 33.8 (21.5–46.1) 18.4 (16.7–20.1) 2.7 (1.4–4.0)
    5-<10% 11.3 (8.8–13.7) 38.0 (26.9–49.0) 29.5 (27.6–31.4) 5.3 (3.4–7.2)
    10-<20% 29.2 (25.0–33.4) 39.4 (31.0–47.8) 33.3 (31.3–35.2) 6.2 (4.3–8.1)
    >20% 55.0 (50.7–59.4) 35.6 (30.4–40.8) 18.9 (17.3–20.4) 7.2 (4.7–9.6)
Number of major stressors during pregnancy
    0 43.4 (38.9–48.0) 29.1 (23.4–34.9) 65.3 (63.3–67.2) 3.7 (2.6–4.8)
    1 23.4 (19.8–27.1) 38.9 (29.9–48.0) 18.1 (16.5–19.7) 5.8 (3.7–7.9)
    2–3 23.3 (19.6–27.0) 47.4 (38.6–56.2) 12.4 (11.1–13.7) 9.9 (6.8–13.0)
    4 or more 9.8 (7.4–12.3) 47.6 (35.5–59.7) 4.2 (3.4–5.0) 18.0 (8.9–27.1)
Depressive symptoms
during pregnancy
    Yes 21.1 (17.5–24.8) 48.2 (38.7–57.7) 9.9 (8.8–11.1) 10.7 (7.6–13.8)
    No 78.9 (75.2–82.5) 33.9 (29.3–38.5) 90.1 (88.9–91.2) 4.9 (3.9–6.0)
Behavioral factors
Smoked in the 3 months pre-pregnancy
    Yes 20.4 (16.8–24.0) 41.2 (32.1–50.3) 19.6 (18.0–21.2) 7.9 (5.3–10.5)
    No 79.6 (76.0–83.2) 35.1 (30.8–39.4) 80.4 (78.8–82.0) 4.9 (3.9–6.0)
Binge drank during
pregnancy
    Yes 6.1 (4.3–7.8) 55.1 (41.0–69.3) 6.8 (5.8–7.8) 7.3 (1.6–12.9)
    No 93.9 (92.2–95.7) 35.2 (31.3–39.1) 93.2 (92.2–94.2) 5.4 (4.4–6.4)
Unintended
pregnancy
    Yes a 66.2 (62.0–70.5) 35.5 (31.0–40.0) 33.4 (31.4–35.3) 7.4 (5.4–9.4)
    No b 33.8 (29.5–38.0) 39.3 (31.9–46.8) 66.6 (64.7–68.6) 4.3 (3.3–5.4)
Medical/medical care factors
Lacked first-trimester
prenatal care
    Yes 16.7 (13.2–20.2) 28.6 (20.6–36.5) 7.7 (6.7–8.7) 8.3 (5.6–11.1)
    No 83.3 (79.8–86.8) 38.6 (34.1–43.1) 92.3 (91.3–93.3) 5.3 (4.2–6.3)
Interpregnancy interval (multiparous women)
    <6 months 6.1 (3.5–8.6) 31.9 (16.0–47.9) 3.7 (2.5–4.9) 3.4 (0.0–6.9)
    6–11 months 12.9 (9.3–16.6) 32.6 (20.1–45.1) 12.2 (10.5–13.9) 5.8 (3.0–8.7)
    12–23 months 16.8 (12.3–21.2) 38.3 (25.5–51.1) 32.5 (30.0–35.1) 5.1 (3.3–6.8)
    24+ months 64.2 (58.7–69.8) 41.8 (35.0–48.6) 51.6 (48.9–54.3) 6.7 (4.7–8.7)
Self-reported health
pre-pregnancy
    Poor or fair 9.8 (7.5–12.1) 40.6 (29.6–51.6) 3.8 (3.2–4.5) 11.7 (6.8–16.7)
    Good, very good, or
excellent
90.2 (87.9–92.5) 36.4 (32.1–40.7) 96.2 (95.5–96.8) 5.3 (4.2–6.3)
Diabetes diagnosis pre-pregnancy
    Yes 2.2 (1.3–3.1) 27.8 (10.3–45.2) 1.2 (0.7–1.6) 6.3 (0.9–11.7)
    No 97.8 (96.9–98.7) 37.1 (33.0–41.2) 98.8 (98.4–99.3) 5.3 (4.4–6.3)
Hypertension diagnosis
pre-pregnancy
    Yes 6.2 (4.3–8.1) 56.4 (41.2–71.7) 2.8 (2.1–3.5) 3.9 (1.3–6.6)
    No 93.8 (91.9–95.7) 35.6 (31.5–39.7) 97.2 (96.5–97.9) 5.6 (4.5–6.6)
Underweight (BMI<18.5) pre-pregnancy
    Yes 4.7 (3.1–6.3) 29.8 (13.1–46.4) 4.3 (3.3–5.3) 3.5 (0.5–6.4)
    No 95.3 (93.7–96.9) 37.1 (32.9–41.2) 95.7 (94.7–96.7) 5.6 (4.5–6.6)
Pregnancy weight gain
    Inadequate 19.5 (16.0–22.9) 37.5 (28.6–46.3) 14.7 (13.1–16.2) 4.2 (2.6–5.8)
    Adequate or
excessive
80.5 (77.1–84.0) 36.5 (31.9–41.1) 85.3 (83.8–86.9) 5.7 (4.6–6.9)

* Chronic worry about racial discrimination (“chronic worry”) was defined as responding “very often” or”somewhat often” to the question: “Overall during your life until now, how often have you worried that you might be treated or judged unfairly because of your race or ethnic group?”

ⱡ Chi-square test for difference in percentage reporting chronic worry across the categories (within a racial group) was significant.

a Unwanted, mistimed, or unsure

b Wanted to get pregnant then