Table 5. Ratio of dark to light energy expenditure in ShcKO and wild-type (WT) mice housed at 22°C or 12°C.¹ .

	ShcKO			WT			P Value
	3 mo	15 mo	27 mo	3 mo	15 mo	27 mo	Geno	Age	Geno*Age
D:L Ratio
22°C	1.31±0.06	1.24±0.05	1.26±0.04	1.29±0.05	1.31±0.03	1.23±0.01	0.814	0.416	0.600
12°C	1.25±0.06	1.17±0.03	1.22±0.05	1.18±0.03	1.26±0.04	1.16±0.03	0.349	0.818	0.352

¹Data are presented as means ± SEM.