Table 1.

Demographic variables across both experiments in paired and isolated groups.

Experiment 1
	Body Weight (g)	Age (mo)	Cohabitation (mo)	Litters (#)	Test Yr (yr)
Paired	42 ± 4	48 ± 5	38 ± 5	15 ± 3	2011 ± 0.4 years
Isolated	48 ± 3	55 ± 6	45 ± 6	16 ± 3	2011 ± 0.3 years
Experiment 2
	Body Weight (g)	Age (mo)	Cohabitation (mo)	Litters (#)	Test Yr (yr)
Paired	45 ± 2	52 ± 6	39 ± 6	18 ± 3	2015 ± 0.2 years
Isolated	46 ± 3	54 ± 5	42 ± 5	19 ± 3	2015 ± 0.1 years

Notes: All categories are shown as mean ± SEM. Test Yr column is displaying the actual mean test year (between 2010–2016), and the SEM in partial years.