Table 1. Proportional hazard tests on the effects of population (Orlando Normal, PR-712 unselected, or PR-712 indoxacarb-selected), diet (rich or poor), sex (male or female), and their interactions on development time to the adult stage and on adult body size (pronotum width).

Dependent variable	Factor	df	χ2	p
Development time	Population	2	598.90	<0.0001
	Diet	1	455.61	<0.0001
	Sex	1	3.55	0.0596
	Population × diet	2	18.69	<0.0001
	Population × sex	2	11.44	0.0033
	Diet × sex	1	1.19	0.2759
	Population × diet × sex	2	2.34	0.3100
Body size	Population	2	147.61	<0.0001
	Diet	1	37.35	<0.0001
	Sex	1	1993.64	0.0000
	Population × diet	2	28.38	<0.0001
	Population × sex	2	9.04	0.0109
	Diet × sex	1	2.17	0.1405
	Population × diet × sex	2	0.66	0.7172