. 2014 Mar 5;90(3):422–430. doi: 10.4269/ajtmh.13-0186

Table 4.

Summary of statistical analysis of main effects model for viral titer as a function of mosquito population and DENV strain blocked by replicate experiment for midgut and head separately

	df	Replicate 1				Replicate 2
		Midgut		Head		Midgut		Head
		χ²	P value	χ²	P value	χ²	P value	χ²	P value
Mosquito population	1	94.7	< 0.001	66.39	< 0.001	1.1	0.24	0.37	0.54
DENV strain	1	18.2	< 0.001	0.19	0.65	7.9	< 0.01	0.11	0.74
Mosquito population × DENV strain	1	2.1	0.14	0.001	0.98	1.4	1.13	1.38	0.24

dpi is specified as a continuous predictor.