Table 1.

Age, body weight, and fat pad weights in 30-wk-old HCR-M, LCR-M, HCR-F, and LCR-F rats

Main Effect	P Value	HCR-M	LCR-M	HCR-F	LCR-F
Number of rats/group		18	21	18	18
Age at death, wk
Strain	0.825	30.1 ± 0.1	30.0 ± 0.1	30.1 ± 0.1	30.1 ± 0.1
Sex	0.356
Interaction	0.915
Body weight, g
Strain	0.001	361 ± 19c	468 ± 15a,d	202 ± 4	247 ± 4b
Sex	0.001
Interaction	0.023
TL, mm
Strain	0.001	40.4 ± 0.3c	42.4 ± 0.3a,d	35.6 ± 0.5	37.7 ± 0.3b
Sex	0.001
Interaction	0.956
Retroperitoneal fat, mg
Strain	0.001	4,222 ± 451c	11,136 ± 1,160a,d	704 ± 76	1,918 ± 245e
Sex	0.001
Interaction	0.001
Retroperitoneal fat/TL, mg
Strain	0.001	109 ± 13c	267 ± 27a,d	20 ± 2	51 ± 7e
Sex	0.001
Interaction	0.001
Perireproductive fat, mg
Strain	0.001	3,748 ± 402c	9,388 ± 936a,d	477 ± 91	771 ± 110e
Sex	0.001
Interaction	0.001
Perireproductive fat/TL, mg
Strain	0.001	92 ± 10c	226 ± 22a,d	14 ± 3	21 ± 3
Sex	0.001
Interaction	0.001
Omental fat, mg
Strain	0.001	833 ± 101c	1,504 ± 164a,d	465 ± 100	512 ± 71
Sex	0.004
Interaction	0.012
Omental fat/TL, mg
Strain	0.001	21 ± 3	36 ± 4a,d	13 ± 3	14 ± 2
Sex	0.018
Interaction	0.022

Values are means ± SE. HCR-M, high-capacity runner (HCR) male; LCR-M, low-capacity runner (LCR) male; HCR-F, HCR female; LCR-F, LCR female; TL, tibia length (at autopsy).

^aP < 0.05, HCR-M vs. LCR-M;

^bP < 0.05, HCR-F vs. LCR-F;

^cP < 0.05, HCR-M vs. HCR-F;

^dP < 0.05, LCR-M vs. LCR-F;

^eP < 0.05, HCR-F vs. LCR-F (by separate t-test).