Table 2.

Comparison of prevalence rates of positive Chagas diagnosis among total screened participants by strategy

	Total		Strategy 1		Strategy 2
	N = 307		N = 73		N = 103		RP (IC95%)		p
	% (IC95)		% (IC95)		% (IC95)
Chagas prevalence rate	15.91	(10.50—21.31)	19.18	(10.1- 28.24)	13.59	(6.96—20.23)	0.709	(0.359—1.398)	0.321
Adjusted Chagas prevalence rate *	15.91	(10.60—21.22)	20.14	(10.64—29.64)	13.15	(6.88—19.42)	0.653	(0.333—1.280)	0.215

PR Prevalence ratio. IC95%, Confidence interval of 95%. P p-value. ^aPrevalence rate adjusted for age, sex, robust Poisson regression model