Table 3. Effects of outdoor residual spraying of insecticide (ODRS) on the numbers of P. orientalis over 43 days follow-up between 2nd May-16th June 2017 in Umsalala village, Gedarif state, Sudan.

Trap type1	Trap local2	IRR (95%C.I.)	P<	N trap nights
ST	O	0.04 (0.028, 0.080)	0.001	180
ST	P	0.08 (0.051, 0.113)	0.001	180
LT	O	0.01 (0.005, 0.008)	0.001	238

Effect estimates are presented as incidence risk ratios (IRR) according to trap type and trap location

¹ Trap types for monitoring: ST sticky traps, LT light trap

² Trap site locations: O outdoors, P peridomestic.