Table 3.

Prevalence of HPV vaccine types among US adult women by HPV vaccination status and sociodemographic characteristics (N = 878)

	Prevalence (95% CI)a
			Prevalence Ratio (95% CI)
	Vaccinated (n =177)	Unvaccinated (n = 701)	Vaccinated vs. Unvaccinated
Total	7.4 (2.1–12.7)	17.1 (13.9–20.3)	0.43(0.21–0.88)
Race/Ethnicity
Non-Hispanic White	7.2 (0.0–15.0)	15.7 (11.4–20.0)	0.46(0.16–1.33)
Non-Hispanic Black	8.9 (0.5–17.3)	21.5 (14.0–29.0)	0.41(0.16–1.08)
Mexican American	4.5 (0.0–13.9)	10.8 (3.4–18.2)	0.42(0.05–3.46)
Other	7.5 (0.3–14.7)	22.5 (13.2–31.9)	0.33(0.12–0.95)
Marital Status
Unmarried	8.0 (1.1–15.0)	20.1 (16.1–24.2)	0.40(0.17–0.94)
Married	4.9 (0.0–10.2)	12.6 (7.7–17.4)	0.39(0.13–1.19)
Education Level
< High School	5.1 (0.0–15.4)	19.6 (10.9–28.2)	0.26(0.04–1.58)
High School	6.8 (0.0–14.7)	21.8 (12.6–31.0)	0.31(0.10–0.97)
> High School	7.7 (1.1–14.2)	14.8 (11.1–18.6)	0.52(0.21–1.27)
Poverty Income Ratio
≥1	8.0 (0.7–15.2)	15.2 (10.7–19.6)	0.53(0.21–1.34)
<1	3.2 (0.0–7.2)	20.0 (13.7–26.2)	0.16(0.04–0.58)
Smoking Status
Never	7.1 (1.0–13.2)	15.4 (11.5–19.2)	0.46(0.19–1.11)
Past	5.5 (0.0–13.0)	19.9 (5.3–34.4)	0.28(0.05–1.52)
Current	9.8 (0.0–27.3)	21.4 (14.5–28.3)	0.46(0.08–2.59)
Sexually Transmitted Infections
No	8.8 (2.2–15.4)	15.4 (11.7–19.0)	0.57(0.27–1.21)
Yes	1.8 (0.0–5.3)	25.0 (17.4–32.6)	0.07(0.01–0.51)
Lifetime Sex Partners
≤2	6.0 (0.0–13.4)	6.5 (3.2–9.7)	0.93(0.25–3.43)
≥3	8.0 (1.2–14.8)	22.9 (18.4–27.4)	0.35(0.15–0.82)
Sex Partners in the Past 12 Months
≤1	7.3 (1.1–13.5)	11.7 (8.5–14.9)	0.63(0.27–1.47)
≥2	7.5 (0.0–17.3)	32.3 (24.8–39.8)	0.23(0.06–0.84)

^CI: confidence interval.

^aPrevalence was estimated for the prevalence of vaccine types (HPV 6, 11, 16 or 18). Prevalence was weighted using sample weights.