Table 3.

Average (95% confidence interval) simulated T. cruzi seroprevalence (%) for each time period using the Princeton Model compared to historical Venezuelan data.

	Time Periods (Years)
	1980–1989	1990–1998
Historical Dataa
Ages 0–9 years	1.1 (0.9–1.2)	0.5 (0.42–0.56)
Ages 10–19 years	2.4 (2.2–2.6)	1.8 (1.6–2.0)
Ages 20–29 years	12.4 (11.5–12.8)	5.9 (5.5–6.3)
Ages 30–19 years	26.6 (25.5–27.6)	16.1 (15.4–16.8)
Ages 40–49 years	37.5 (36.2–38.8)	28.3 (27.2–29.4)
Ages 50 years and older	48.0 (47.0–48.9)	43.0 (42.1–43.9)
Targeting the Last Time Point
Ages 0–9 years	–	0.73 (0.71–0.75)
Ages 10–19 years	–	1.90 (1.88–1.93)
Ages 20–29 years	–	7.18 (6.99–7.37)
Ages 30–19 years	–	18.41 (18.02–18.81)
Ages 40–49 years	–	30.39 (30.01–30.78)
Ages 50 years and older	–	45.23 (45.07–45.39)
Targeting the Last Two Time Points
Ages 0–9 years	2.93 (2.88–2.98)	1.30 (1.27–1.33)
Ages 10–19 years	6.84 (6.72–6.96)	3.63 (3.58–3.69)
Ages 20–29 years	16.81 (16.37–17.25)	8.09 (7.98–8.20)
Ages 30–19 years	27.76 (27.30–28.21)	14.61 (14.39–14.82)
Ages 40–49 years	41.98 (41.56–42.40)	24.90 (24.53–25.27)
Ages 50 years and older	43.01 (42.95–43.07)	39.82 (39.64–40.01)

^aValues are average (95% confidence interval) as reported in Ache and Matos (Ache and Matos, 2001).