Table 1.

Host-choice experiment results of Culex pipiens pipiens under non-diapause induced (NDI), diapause induced (DI), and field overwintering (OW) conditions

Condition	Host	No. trials	No. released	No. in all traps (% [95 % CI])	No. in bird trap (% [95 % CI])	No. in rat trap (% [95 % CI])	χ2
NDI	Bird up - Rat down	24	959	292 (30.5 [27.5-33.4])	236 (80.8 [76.3-85.3])	56 (19.2 [14.7-23.7])
	Bird down - Rat up	24	630	51 (8.1 [6.0-10.2])	38 (74.5 [62.6-86.5])	13 (25.5 [13.5-37.5])
	Total Bird - Rat	48	1,589	343 (21.6 [19.6-23.6])	274 (79.9 [75.6-84.1])	69 (20.1 [15.9-24.4])	p < 0.001
DI	Bird up - Rat down	18	349	79 (22.6 [18.3-27.0])	61 (77.2 [68.0-86.5])	18 (22.8 [13.5-32.0])
	Bird down - Rat up	18	352	21 (6.0 [3.5-8.4])	19 (90.5 [77.9-99.0])	2 (9.5 [0.1-22.1])
	Total Bird - Rat	36	701	100 (14.3 [11.7-16.9])	80 (80.0 [72.2-87.8])	20 (20.0 [12.2-27.8])	p < 0.001
OW	Bird up - Rat down	20	1,331	227 (17.1 [15.0-19.1])	169 (74.5 [68.8-80.1])	58 (25.6 [19.9-31.2])
	Bird down - Rat up	20	954	182 (19.1 [16.6-21.6])	171 (94.0 [90.5-97.4])	11 (6.0 [2.6-9.5])
	Total Bird - Rat	40	2,285	409 (17.9 [16.3-19.5])	340 (83.1 [79.5-86.8])	69 (16.9 [13.2-20.5])	p < 0.001