Effect of spatiotemporal variables on abundance, biting activity and parity of Nyssorhynchus darlingi (Diptera: Culicidae) in peri-Iquitos, Peru

Table 3 Negative binomial regression model of Nyssorhynchus darlingi counts collected in four sites (Lupuna, Nuevo Horizonte, Santa Emilia, El Triunfo) during rainy and dry seasons

Variable	β	e^β	SE	p value
Intercept	1.71	5.60	0.11	< 0.0001
Site (ref = Lupuna)
NHO	− 1.13	0.32	0.14	< 0.0001
SEM	− 0.27	0.76	0.13	0.0372
TRI	− 2.49	0.08	0.22	< 0.0001
Season (ref = dry)	1.17	3.23	0.11	< 0.0001
Time period (ref = 18:00—21:00)
21:00–24:00	− 1.34	0.26	0.16	< 0.0001
24:00–03:00	− 0.66	0.52	0.14	< 0.0001
03:00–06:00	− 0.50	0.61	0.14	< 0.0001
Indoor/outdoor (ref = indoor)	0.56	1.76	0.11	< 0.0001
Time period x indoor/outdoor
21:00–24:00 outdoor	0.53	1.70	0.14	< 0.0001
24:00–03:00 outdoor	0.00	1.00	0.14	0.9973
03:00–06:00 outdoor	− 0.14	0.87	0.14	0.3190
Season x time period
Rainy × 21:00–24:00	0.34	1.41	0.15	0.0248
Rainy × 24:00–03:00	0.02	1.02	0.14	0.8997
Rainy × 03:00–06:00	− 0.42	0.66	0.14	0.0037
Season x site
Rainy NHO	− 0.24	0.79	0.15	0.1049
Rainy SEM	0.05	1.05	0.13	0.7085
Rainy TRI	− 0.74	0.48	0.20	0.0002
Site x indoor/outdoor
NHO outdoor	− 0.06	0.94	0.14	0.6710
SEM outdoor	− 0.01	0.99	0.12	0.9037
TRI outdoor	0.60	1.83	0.22	0.0062

β: regression coefficient; e^β: exponentiated regression coefficient (z-value); SE: Standard error
Significance level p < 0.05 in bold

ISSN: 1475-2875