Mechanistic basis for morphological damage induced by essential oil from Brazilian pepper tree, Schinus terebinthifolia, on larvae of Stegomyia aegypti, the dengue vector

Table 3 Binary logistic regression between concentration and exposure time to the essential oil of ripe fruits and seeds of Schinus terebinthifolia Raddi and larval mortality of larvae of Stegomyia aegypti (Linnaeus, 1792)

Parameter	Parameters
Parameter	Coefficient	EP	Z	p
Essential oil concentration (PPM)
Constant	−1.086	0.069	−15.81	<0.01^hs
PPM	0.003	0.0001	17.30	<0.01h^s
G = 330.59; df = 1; p < 0.01^as;χ² Hosmer-Lemeshow = 59.65; p < 0.01^hs
Time of exposure to the essential oil
Constant	−0.295	0.86	−3.43	<0.01^hs
Time	0.005	0.002	2.91	<0.01^hs
G = 8.50; df = 1; p < 0.01^as; χ² Hosmer-Lemeshow = 0.937; p < 0.01^h
Concentration + Time of exposure to the essential oil
Constant	−1.380	0.113	−12.25	< 0.01^hs
PPM	0.0026	0.0002	17.35	< 0.01^hs
Time	0.0059	0.0018	3.32	< 0.01^hs
G = 341.67; df = 2; p < 0.01; χ² Hosmer-Lemeshow = 45.62; p < 0.01
Concentration (PPM) + Time of exposure to the essential oil + Concentration *Time
Constant	−1.6672	0.1913	−8.71	< 0.01^hs
PPM	0.0033	0.0004	8.10	< 0.01^hs
Time	0.0117	0.0036	3.29	< 0.01^hs
PPM*Time	−0.00001	0.000001	−1.86	0.07^ns
G = 345.10; df = 3; p < 0.01^as; χ² Hosmer-Lemeshow = 66.55; p < 0.01 ns: non-significant; s: significant; hs: highly significant.

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