Table 3.

Risk factors associated with the triatomines in the houses of the south of the Mexico State, Mexico

Variable	Total	Positive	Frequency (%)	OR	95% CI	P value
Flooring construction material
Concrete	744	13	1.74
Dirt	246	48	19.51	10.05	5.31–19.04	0.0001*
House inhabitants
1–2	525	45	3.44
≥ 3	465	16	8.57	2.04	1.07–3.86	0.028†
House rooms
≥ 3	190	9	4.73
1–2	800	52	6.50	1.00	0.046–2.14	1.000‡
Walls construction material
Adobe brick	58	1	1.72
Wood	23	1	4.34	0.41	0.02–7.47	0.551‡
Adobe	909	59	6.49	3.81	0.48–30.81	0.203‡
Ceiling construction material
Concrete	181	2	1.10
Curve lamina tile	672	35	5.20	2.59	0.59–11.31	0.204‡
Cardboard tile	137	24	17.51	6.84	1.49–31.31	0.013†

^*Highly significant.

^†Significant.

^‡Not significant.