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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Matern Child Health J. 2018 Apr;22(4):538–545. doi: 10.1007/s10995-017-2422-9

Table 3.

Estimated prevalences and prevalence ratios of self-reported curable STDsa during pregnancy, by maternal characteristic, PRAMS—5 statesb, United States, 2009–2011

Unadjusted prevalence of self- reported curable STDsa
N = 12,948
Unweighted % (95% CI)
PR (95% CI) Adjustedf prevalence of self- reported curable STDsa
N = 12,948
Unweighted % (95% CI)
aPRf (95% CI)
Age (years)
 <25 7.1 (6.1–8.2) 5.2 (3.9–6.9) 4.6 (3.9–5.5) 2.4 (1.8–3.4)
 ≥25 1.4 (1.1–1.7) Ref. 1.9 (1.5–2.5) Ref.
Race/ethnicity
 Non-Hispanic black 10.5 (8.8–12.5) 5.1 (4.0–6.5) 7.1 (5.8–8.5) 3.3 (2.4–4.1)
 Other 2.1 (1.7–2.5) Ref. 2.3 (1.9–2.7) Ref.
Marital status
 Unmarried 6.6 (5.7–7.6) 6.8 (4.9–9.4) 4.0 (3.4–4.6) 2.1 (1.4–3.0)
 Married 1.0 (0.7–1.3) Ref. 1.9 (1.4–2.6) Ref.
Education
 High school or less 5.6 (4.8–6.4) 3.4 (2.6–4.6) 3.7 (3.2–4.3) 1.4 (1.0–1.9)
 Some college 1.6 (1.3–2.1) Ref. 2.7 (2.1–3.4) Ref.
Annual income
 < $25,000 6.1 (5.4–7.0) 7.4 (5.1–10.8) 3.8 (3.3–4.4) 2.0 (1.3–3.2)
 ≥ $25,000 0.8 (0.6–1.2) Ref. 1.9 (1.3–2.9) Ref.
Insurance status before pregnancy
 No insurance 5.7 (4.7–7.0) 2.3 (1.7–2.9) 4.1 (3.4–5.1) 1.4 (1.1–1.8)
 Any insurance 2.5 (2.2–3.0) Ref. 2.9 (2.5–3.4) Ref.
Initiation of prenatal carec,d
 1st trimester 3.0 (2.6–3.4) Ref.
 After 1st trimester/no PNC 5.5 (4.1–7.4) 1.8 (1.3–2.5)
Intimate partner violencee,d
 Yes 8.2 (5.5–12.1) 2.6 (1.7–3.9)
 No 3.1 (2.8–3.6) Ref.

PR prevalence ratio, aPR adjusted prevalence ratio, CI confidence interval, PRAMS Pregnancy Risk Assessment Monitoring System, STD sexually transmitted disease, PNC prenatal care

a

Includes: chlamydia, gonorrhea, syphilis, trichomoniasis

b

Arkansas, Delaware, Missouri, Mississippi, and New York (not including New York City)

c

Excluded 207 women with missing values for the variable “Initiation of prenatal care”

d

Initiation of prenatal care and Intimate partner violence were not statistically significant in the adjusted analysis and were excluded from the final model

e

Excluded 47 women with missing values for the variable “Intimate partner violence”

f

Adjusted for the following variables: age, race/ethnicity, marital status, education, annual income, insurance status