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

Table 2.

Summary of statistical analysis of main effects model for viral infection 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	24.00	< 0.001	31.75	< 0.001	11.58	0.001	15.79	< 0.001
DENV strain	1	0.35	0.54	6.17	0.013	5.46	0.019	8.43	0.004
Mosquito population × DENV strain	1	0.81	0.77	4.13	0.042	3.06	0.080	8.77	0.003

dpi is specified as a continuous predictor; df = degrees of freedom; F = F-ratio.