Table 1. Results and statistical analyses of life span assays.

Strain	Treatment	Max Life Span in Days ± SD	Mean Life Span in Days ± SD	n	p-Value versus Control
N2	0.1 % DMSO control	28.1 ± 1.5	21.6 ± 1.2	11
	clofibrate 0.1 μM	25.9	22.0	1	n. s.	0.8248
	clofibrate 1 μM	27.2	22.6	1	n. s.	0.1877
	clofibrate 10 μM	33.8	25.1	1	***	< 0.0001
	clofibrate 10 μM	34.2 ± 0.9	23.0 ± 0.5	3	***	< 0.0001
	bezafibrate 0.1 μM	32.0	23.3	1	*	0.0138
	bezafibrate 1 μM	33.1	22.8	1	*	0.0137
	bezafibrate 10 μM	34.4	22.9	1	**	0.0078
	bezafibrate 10 μM	32.5 ± 1.8	24.4 ± 0.7	3	***	0.0002
	fenofibrate 0.1 μM	34.6	22.5	1	*	0.0143
	fenofibrate 1 μM	28.8	22.3	1	n. s.	0.1824
	fenofibrate 10 μM	32.8	25.6	1	***	< 0.0001
	fenofibrate 10 μM	30.2 ± 0.3	23.7 ± 1.1	3	*	0.0218
nhr-49
ok2165	0.1 % DMSO control	17.2 ± 1.2	12.2 ± 0.4	3
	bezafibrate 10 μM	17.7 ± 0.8	11.5 ± 0.2	3	n. s.	0.1606
	clofibrate 10 μM	15.7 ± 0.4	11.0 ± 0.2	3	neg. s.	< 0.0001
	fenofibrate 10 μM	13.5 ± 0.2	9.5 ± 0.0	3	neg. s.	< 0.0001
gk405	0.1 % DMSO control	16.7 ± 3.6	11.0 ± 0.4	3
	bezafibrate 10 μM	17.7 ± 3.7	11.4 ± 0.8	3	n. s.	0.0679
	clofibrate 10 μM	17.5 ± 3.4	11.0 ± 0.3	3	n. s.	0.8962
	fenofibrate 10 μM	14.5 ± 1.6	10.8 ± 0.2	3	n. s.	0.3035