Comparison between Two Decades of Prevalence of Intestinal Parasitic Diseases and Risk Factors in a Brazilian Urban Centre

Table 2

Prevalence of potential risk factors collected in the period 1992–1996 and in 2010, Northeast Brazil.

Risk factors	Period		Univariate analysis			Multivariate analysis
	1992–96; (%)	2010; (%)		OR	95% CI		OR	95% CI
Persons per household
≤5	142 (44.9)	268 (72.4)	<0.001	0.31	0.22–0.42	<0.001	0.28	0.17–0.46
>5	174 (55.1)	102 (27.6)
Floors conditions
Ceramic/cement	228 (72.6)	350 (94.3)	<0.001	0.14	0.08–0.24	0.02	0.33	0.13–0.84
Stamped earth floor	88 (27.8)	20 (5.4)
Piped water inside the household
Yes	210 (66.5)	360 (97.3)	<0.001	0.05	0.02–0.10	<0.001	0.18	0.07–0.46
No	106 (33.5)	10 (2.7)
Rooms of the house
>4	59 (18.7)	166 (44.9)	<0.001	0.28	0.19–0.40	<0.001	0.34	0.20–0.58
≤4	257 (81.3)	204 (55.1)
Toilets
Yes	267 (84.5)	368 (99.5)	<0.001	33.7	8.14–140	0.09	3.86	0.80–18.5
No	49 (15.5)	02 (0.50)
Drinking water treatment
Yes	197 (62.3)	201 (55.3)	0.03	0.71	0.52–0.97	<0.001	0.26	0.15–0.44
No	119 (37.7)	169 (45.7)
Excreta disposal
Yes	06 (1.9)	230 (62.2)	<0.001	0.12	0.005–0.27	<0.001	0.14	0.005–0.03
No	310 (98.1)	140 (37.8)
Garbage collection
Yes	263 (83.2)	355 (95.9)	<0.001	0.21	0.11–0.38	0.04	0.41	0.17–0.96
No	53 (16.8)	15 (4.1)
Hands washing habit
Yes	200 (63.3)	355 (95.9)	<0.001	13.7	7.80–24.1	<0.001	4.92	2.19–11.0
No	116 (36.7)	15 (4.1)
Wearing shoes habit
Yes	303 (95.9)	367 (99.2)	0.004	5.24	1.48–18.5	0.01	21.6	2.11–222.5
No	13 (4.1)	03 (0.8)
Children playing out the street
Yes	231 (73.1)	214 (57.8)	<0.001	0.50	0.36–0.69	0.41	0.80	0.47–1.36
No	85 (26.9)	156 (42.2)
Use of antiparasitic medication
Yes	231 (73.1)	226 (61.1)	0.001	0.57	0.41–0.79	0.05	0.58	0.33–1.009
No	85 (26.9)	144 (38.9)