Table 5.

 Results from multivariate analysis for the outcomes ascariasis, trichuriasis and hookworm prevalence (n = 521)

	Ascariasis		Trichuriasis		Hookworm
Variable	RR (CI 95 %)	P-value	RR (CI 95 %)	P-value	RR (CI 95 %)	P-value
Non endemic– 0	Reference
Low – 1	0.765 (0.562–1.042)	0.089*	0.693 (0.481–0.998)	0.048	0.994 (0.681–1.451)	0.973*
High – 2	1.226 (0.859–1.751)	0.262*	1.667 (1.096–2.536)	0.017	1.570 (1.016–2.426)	0.042
Natural log of Population in 2010	1.125 (1.016–1.246)	0.024	1.037 (0.912–1.181)	0.577*	1.180 (1.035–1.345)	0.013
Northeast Region – 0	Reference
North Region – 1	0.630 (0.414–0.959)	0.031	0.915 (0.589–1.424)	0.695*	0.999 (0.660–1.512)	0.996*
Southeast Region – 2	0.523 (0.347–0.787)	0.002	0.463 (0.282–0.760)	0.002	0.448 (0.276–0.726)	0.001
South Region – 3	0.520 (0.288–0.939)	0.030	0.551 (0.278–1.094)	0.089*	0.107 (0.042–0.270)	< 0.001
Midwest Region − 4	0.186 (0.095–0.364)	< 0.001	0.068 (0.028–0.164)	< 0.001	0.262 (0.117–0.587)	0.001
Federal District Region – 5	0.067 (0.006–0.811)	0.034	0.012 (0.001–0.256)	0.005	0.044 (0.002–1.076)	0.055*
% Schools with filtered water	0.989 (0.983–0.996)	0.001	0.986 (0.979–0.993)	< 0.001	-	-
% Schools served with adequate sanitation	0.988 (0.977–0.998)	0.019	-	-	-	-
% Municipality’s urbanization	1.008 (1.000–1.015)	0.045	1.014 (1.005–1.022)	0.002	-	-
% Population served by Bolsa Família Program	1.021 (1.010–1.032)	< 0.001	1.022 (1.009–1.034)	0.001	1.031 (1.018–1.043)	< 0.001
% Population served by primary health care services	-	-	0.990 (0.983–0.997)	0.006	-	-
% Population served with adequate sanitation at home	-	-	-	-	0.989 (0.982–0.996)	0.003
Model’s constant (intercept)	0.0422 (0.0062–0.2875)	0.001	0.050 (0.0064–0.394)	0.004	0.0018 ( 0.0003–0.0102)	< 0.001

* Not statistically significant at 5 % level. RR Rate Ratio