Trends in black fly density, parity and infection rates from riverside to villages of the Bafia Health District in Cameroon: implication for onchocerciasis vector control

Table 2 Negative binomial regression model of collected blackflies considering collection date, villages and catch points

Parameter	Estimate	Standard error	Z-value	P-value
Intercept	7.8844	0.19793	39.833	< 2e-16
Date	− 0.0447	0.02209	− 2.022	0.0432
Village (Reference = Bayomen)
Biatsota	− 0.0833	0.15451	− 0.539	0.5897
Catch site (Reference = P1)
P2	− 0.9076	0.18916	− 4.798	1.60e-06
P3	− 1.3130	0.18923	− 6.939	3.95e-12

ISSN: 1756-3305