Table 1 CMV force of infection, basic reproductive rates, and average age of infection among persons 12–49 years old in the United States.
Force of Infection (95% CI)* | Basic reproductive rate (95% CI) | Average age of infection in years (95% CI) | ||||
|---|---|---|---|---|---|---|
Entire U.S. population | 1.6 | 1.3–1.9 | 1.7 | 1.5–1.8 | 28.6 | 27.3–29.4 |
Sex | ||||||
Female | 1.8 | 1.3–2.2 | 1.7 | 1.5–1.9 | 28.0 | 26.2–29.9 |
Male | 1.5 | 1.1–1.8 | 1.6 | 1.4–1.8 | 29.1 | 27.7–30.6 |
Race/Ethnicity | ||||||
Non-Hispanic Black | 5.7 | 5.1–6.2 | 4.1 | 3.7–4.4 | 16.3 | 15.1–17.5 |
Mexican American | 5.1 | 4.3–5.6 | 3.7 | 3.2–4.2 | 17.5 | 15.8–19.4 |
Non-Hispanic White | 1.4 | 1.1–1.8 | 1.6 | 1.4–1.7 | 29.3 | 27.9–30.6 |
Income per family size | ||||||
Low | 3.5 | 2.8–4.5 | 2.7 | 2.1–3.2 | 21.9 | 19.0–24.9 |
Middle | 2.1 | 1.6–2.6 | 1.9 | 1.7–2.2 | 26.7 | 24.9–28.6 |
High | 1.5 | 1.1–1.9 | 1.6 | 1.4–1.8 | 28.9 | 27.5–30.4 |